File: elements.units

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postgresql-unit 7.10-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,540 kB
  • sloc: sql: 1,768; ansic: 1,334; lex: 358; yacc: 140; perl: 100; makefile: 40; sh: 25
file content (4011 lines) | stat: -rw-r--r-- 151,381 bytes parent folder | download | duplicates (4)
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# This file is the elements database for use with GNU units, a units
# conversion program by Adrian Mariano adrianm@gnu.org
#
# January 2024 Version 1.0
#
# Copyright (C) 2024
# Free Software Foundation, Inc
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This data is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor,
# Boston, MA  02110-1301  USA

# From https://www.nist.gov/pml/atomic-weights-and-isotopic-compositions-relative-atomic-masses

#   For several elements, the standard atomic weight A_r is given as an
#   atomic-weight interval with the symbol [a,b] to denote the set of
#   atomic-weight values in normal materials; thus, [a <= A_r(E) <= b].
#   The symbols a and b denote the lower and upper bounds of the
#   interval [a,b], respectively.  The values in parentheses, following
#   the last significant digit to which they are attributed, are
#   uncertainties.
#
#   Brackets [ ] enclosing a single value indicate the mass number of
#   the most stable isotope.  For radioactive elements with atomic
#   numbers 95 or greater, the mass number of the most stable isotope is
#   not specified, as the list of studied isotopes is still
#   incomplete.

# When composition mole fractions of isotopes are given, the atomic mass
# of an element is given as the sum of the product(s) of mole
# fraction(s) and the atomic masses of the relevant isotopes.  When composition
# mole fractions are not given, the atomic mass is given as
#
#   * the mass of the most stable isotope, if available, or
#   * the standard atomic mass of the element, if available.
#
# If neither the most stable isotope nore a standard atomic mass is
# available, no atomic mass for the element is given; the user must
# select the isotope most suitable for their purposes.
#
# If the standard atomic mass is a range, the value given is the
# midpoint of that range, which may differ from the value determined
# from the sum of the products of composition mole fraction and isotope
# atomic mass.

# hydrogen: H (1)  std atomic weight: [1.00784,1.00811]
hydrogen_1              1.0078250322   # 0.99988500
hydrogen_2              2.0141017781   # 0.00011500
hydrogen_3              3.0160492779
hydrogen_4              4.0264300000
hydrogen_5              5.0353110000
hydrogen_6              6.0449600000
hydrogen_7              7.0527000000
hydrogen          0.99988500 hydrogen_1 \
                + 0.00011500 hydrogen_2

# helium: He (2)  std atomic weight: 4.002602(2)
helium_3                3.0160293201   # 0.00000134
helium_4                4.0026032541   # 0.99999866
helium_5                5.0120570000
helium_6                6.0188858910
helium_7                7.0279907000
helium_8                8.0339343900
helium_9                9.0439460000
helium_10              10.0527900000
helium            0.00000134 helium_3 \
                + 0.99999866 helium_4

# lithium: Li (3)  std atomic weight: [6.938,6.997]
lithium_3               3.0308000000
lithium_4               4.0271900000
lithium_5               5.0125380000
lithium_6               6.0151228874   # 0.07590000
lithium_7               7.0160034366   # 0.92410000
lithium_8               8.0224862460
lithium_9               9.0267901900
lithium_10             10.0354830000
lithium_11             11.0437235800
lithium_12             12.0525170000
lithium_13             13.0626300000
lithium           0.07590000 lithium_6 \
                + 0.92410000 lithium_7

# beryllium: Be (4)  std atomic weight: 9.0121831(5)
beryllium_5             5.0399000000
beryllium_6             6.0197264000
beryllium_7             7.0169287170
beryllium_8             8.0053051020
beryllium_9             9.0121830650   # 1.00000000
beryllium_10           10.0135346950
beryllium_11           11.0216610800
beryllium_12           12.0269221000
beryllium_13           13.0361350000
beryllium_14           14.0428900000
beryllium_15           15.0534200000
beryllium_16           16.0616700000
beryllium              beryllium_9

# boron: B (5)  std atomic weight: [10.806,10.821]
boron_6                 6.0508000000
boron_7                 7.0297120000
boron_8                 8.0246073000
boron_9                 9.0133296500
boron_10               10.0129369500   # 0.19900000
boron_11               11.0093053600   # 0.80100000
boron_12               12.0143527000
boron_13               13.0177802000
boron_14               14.0254040000
boron_15               15.0310880000
boron_16               16.0398420000
boron_17               17.0469900000
boron_18               18.0556600000
boron_19               19.0631000000
boron_20               20.0720700000
boron_21               21.0812900000
boron             0.19900000 boron_10 \
                + 0.80100000 boron_11

# carbon: C (6)  std atomic weight: [12.0096,12.0116]
carbon_8                8.0376430000
carbon_9                9.0310372000
carbon_10              10.0168533100
carbon_11              11.0114336000
carbon_12              12.0000000000   # 0.98930000
carbon_13              13.0033548351   # 0.01070000
carbon_14              14.0032419884
carbon_15              15.0105992600
carbon_16              16.0147013000
carbon_17              17.0225770000
carbon_18              18.0267510000
carbon_19              19.0348000000
carbon_20              20.0403200000
carbon_21              21.0490000000
carbon_22              22.0575300000
carbon_23              23.0689000000
carbon            0.98930000 carbon_12 \
                + 0.01070000 carbon_13

# nitrogen: N (7)  std atomic weight: [14.00643,14.00728]
nitrogen_10            10.0416500000
nitrogen_11            11.0260910000
nitrogen_12            12.0186132000
nitrogen_13            13.0057386100
nitrogen_14            14.0030740044   # 0.99636000
nitrogen_15            15.0001088989   # 0.00364000
nitrogen_16            16.0061019000
nitrogen_17            17.0084490000
nitrogen_18            18.0140780000
nitrogen_19            19.0170220000
nitrogen_20            20.0233660000
nitrogen_21            21.0271100000
nitrogen_22            22.0343900000
nitrogen_23            23.0411400000
nitrogen_24            24.0503900000
nitrogen_25            25.0601000000
nitrogen          0.99636000 nitrogen_14 \
                + 0.00364000 nitrogen_15

# oxygen: O (8)  std atomic weight: [15.99903,15.99977]
oxygen_12              12.0342620000
oxygen_13              13.0248150000
oxygen_14              14.0085963600
oxygen_15              15.0030656200
oxygen_16              15.9949146196   # 0.99757000
oxygen_17              16.9991317565   # 0.00038000
oxygen_18              17.9991596129   # 0.00205000
oxygen_19              19.0035780000
oxygen_20              20.0040753500
oxygen_21              21.0086550000
oxygen_22              22.0099660000
oxygen_23              23.0156960000
oxygen_24              24.0198600000
oxygen_25              25.0293600000
oxygen_26              26.0372900000
oxygen_27              27.0477200000
oxygen_28              28.0559100000
oxygen            0.99757000 oxygen_16 \
                + 0.00038000 oxygen_17 \
                + 0.00205000 oxygen_18

# fluorine: F (9)  std atomic weight: 18.998403163(6)
fluorine_14            14.0343150000
fluorine_15            15.0180430000
fluorine_16            16.0114657000
fluorine_17            17.0020952400
fluorine_18            18.0009373300
fluorine_19            18.9984031627   # 1.00000000
fluorine_20            19.9999812520
fluorine_21            20.9999489000
fluorine_22            22.0029990000
fluorine_23            23.0035570000
fluorine_24            24.0081150000
fluorine_25            25.0121990000
fluorine_26            26.0200380000
fluorine_27            27.0264400000
fluorine_28            28.0353400000
fluorine_29            29.0425400000
fluorine_30            30.0516500000
fluorine_31            31.0597100000
fluorine               fluorine_19

# neon: Ne (10)  std atomic weight: 20.1797(6)
neon_16                16.0257500000
neon_17                17.0177139600
neon_18                18.0057087000
neon_19                19.0018809100
neon_20                19.9924401762   # 0.90480000
neon_21                20.9938466850   # 0.00270000
neon_22                21.9913851140   # 0.09250000
neon_23                22.9944669100
neon_24                23.9936106500
neon_25                24.9977890000
neon_26                26.0005150000
neon_27                27.0075530000
neon_28                28.0121200000
neon_29                29.0197500000
neon_30                30.0247300000
neon_31                31.0331000000
neon_32                32.0397200000
neon_33                33.0493800000
neon_34                34.0567300000
neon              0.90480000 neon_20 \
                + 0.00270000 neon_21 \
                + 0.09250000 neon_22

# sodium: Na (11)  std atomic weight: 22.98976928(2)
sodium_18              18.0268800000
sodium_19              19.0138800000
sodium_20              20.0073544000
sodium_21              20.9976546900
sodium_22              21.9944374100
sodium_23              22.9897692820   # 1.00000000
sodium_24              23.9909629500
sodium_25              24.9899540000
sodium_26              25.9926346000
sodium_27              26.9940765000
sodium_28              27.9989390000
sodium_29              29.0028771000
sodium_30              30.0090979000
sodium_31              31.0131630000
sodium_32              32.0201900000
sodium_33              33.0257300000
sodium_34              34.0335900000
sodium_35              35.0406200000
sodium_36              36.0492900000
sodium_37              37.0570500000
sodium                 sodium_23

# magnesium: Mg (12)  std atomic weight: [24.304,24.307]
magnesium_19           19.0341690000
magnesium_20           20.0188500000
magnesium_21           21.0117160000
magnesium_22           21.9995706500
magnesium_23           22.9941242100
magnesium_24           23.9850416970   # 0.78990000
magnesium_25           24.9858369760   # 0.10000000
magnesium_26           25.9825929680   # 0.11010000
magnesium_27           26.9843406240
magnesium_28           27.9838767000
magnesium_29           28.9886170000
magnesium_30           29.9904629000
magnesium_31           30.9966480000
magnesium_32           31.9991102000
magnesium_33           33.0053271000
magnesium_34           34.0089350000
magnesium_35           35.0167900000
magnesium_36           36.0218800000
magnesium_37           37.0303700000
magnesium_38           38.0365800000
magnesium_39           39.0453800000
magnesium_40           40.0521800000
magnesium         0.78990000 magnesium_24 \
                + 0.10000000 magnesium_25 \
                + 0.11010000 magnesium_26

# aluminium: Al (13)  std atomic weight: 26.9815385(7)
# IUPAC spelling
aluminium_21           21.0289700000
aluminium_22           22.0195400000
aluminium_23           23.0072443500
aluminium_24           23.9999489000
aluminium_25           24.9904281000
aluminium_26           25.9868919040
aluminium_27           26.9815385300   # 1.00000000
aluminium_28           27.9819102100
aluminium_29           28.9804565000
aluminium_30           29.9829600000
aluminium_31           30.9839450000
aluminium_32           31.9880850000
aluminium_33           32.9909090000
aluminium_34           33.9967050000
aluminium_35           34.9997640000
aluminium_36           36.0063900000
aluminium_37           37.0105300000
aluminium_38           38.0174000000
aluminium_39           39.0225400000
aluminium_40           40.0300300000
aluminium_41           41.0363800000
aluminium_42           42.0438400000
aluminium_43           43.0514700000
aluminium              aluminium_27
# American spelling
aluminum_21            21.0289700000
aluminum_22            22.0195400000
aluminum_23            23.0072443500
aluminum_24            23.9999489000
aluminum_25            24.9904281000
aluminum_26            25.9868919040
aluminum_27            26.9815385300   # 1.00000000
aluminum_28            27.9819102100
aluminum_29            28.9804565000
aluminum_30            29.9829600000
aluminum_31            30.9839450000
aluminum_32            31.9880850000
aluminum_33            32.9909090000
aluminum_34            33.9967050000
aluminum_35            34.9997640000
aluminum_36            36.0063900000
aluminum_37            37.0105300000
aluminum_38            38.0174000000
aluminum_39            39.0225400000
aluminum_40            40.0300300000
aluminum_41            41.0363800000
aluminum_42            42.0438400000
aluminum_43            43.0514700000
aluminum               aluminum_27

# silicon: Si (14)  std atomic weight: [28.084,28.086]
silicon_22             22.0357900000
silicon_23             23.0254400000
silicon_24             24.0115350000
silicon_25             25.0041090000
silicon_26             25.9923338400
silicon_27             26.9867048100
silicon_28             27.9769265347   # 0.92223000
silicon_29             28.9764946649   # 0.04685000
silicon_30             29.9737701360   # 0.03092000
silicon_31             30.9753631940
silicon_32             31.9741515400
silicon_33             32.9779769600
silicon_34             33.9785760000
silicon_35             34.9845830000
silicon_36             35.9866950000
silicon_37             36.9929210000
silicon_38             37.9955230000
silicon_39             39.0024910000
silicon_40             40.0058300000
silicon_41             41.0130100000
silicon_42             42.0177800000
silicon_43             43.0248000000
silicon_44             44.0306100000
silicon_45             45.0399500000
silicon           0.92223000 silicon_28 \
                + 0.04685000 silicon_29 \
                + 0.03092000 silicon_30

# phosphorus: P (15)  std atomic weight: 30.973761998(5)
phosphorus_24          24.0357700000
phosphorus_25          25.0211900000
phosphorus_26          26.0117800000
phosphorus_27          26.9992240000
phosphorus_28          27.9923266000
phosphorus_29          28.9818007900
phosphorus_30          29.9783137500
phosphorus_31          30.9737619984   # 1.00000000
phosphorus_32          31.9739076430
phosphorus_33          32.9717257000
phosphorus_34          33.9736458900
phosphorus_35          34.9733141000
phosphorus_36          35.9782600000
phosphorus_37          36.9796070000
phosphorus_38          37.9842520000
phosphorus_39          38.9862270000
phosphorus_40          39.9913300000
phosphorus_41          40.9946540000
phosphorus_42          42.0010800000
phosphorus_43          43.0050200000
phosphorus_44          44.0112100000
phosphorus_45          45.0164500000
phosphorus_46          46.0244600000
phosphorus_47          47.0313900000
phosphorus             phosphorus_31

# sulfur: S (16)  std atomic weight: [32.059,32.076]
sulfur_26              26.0290700000
sulfur_27              27.0182800000
sulfur_28              28.0043700000
sulfur_29              28.9966110000
sulfur_30              29.9849070300
sulfur_31              30.9795570100
sulfur_32              31.9720711744   # 0.94990000
sulfur_33              32.9714589098   # 0.00750000
sulfur_34              33.9678670040   # 0.04250000
sulfur_35              34.9690323100
sulfur_36              35.9670807100   # 0.00010000
sulfur_37              36.9711255100
sulfur_38              37.9711633000
sulfur_39              38.9751340000
sulfur_40              39.9754826000
sulfur_41              40.9795935000
sulfur_42              41.9810651000
sulfur_43              42.9869076000
sulfur_44              43.9901188000
sulfur_45              44.9957200000
sulfur_46              46.0000400000
sulfur_47              47.0079500000
sulfur_48              48.0137000000
sulfur_49              49.0227600000
sulfur            0.94990000 sulfur_32 \
                + 0.00750000 sulfur_33 \
                + 0.04250000 sulfur_34 \
                + 0.00010000 sulfur_36

# chlorine: Cl (17)  std atomic weight: [35.446,35.457]
chlorine_28            28.0295400000
chlorine_29            29.0147800000
chlorine_30            30.0047700000
chlorine_31            30.9924140000
chlorine_32            31.9856846400
chlorine_33            32.9774519900
chlorine_34            33.9737624850
chlorine_35            34.9688526820   # 0.75760000
chlorine_36            35.9683068090
chlorine_37            36.9659026020   # 0.24240000
chlorine_38            37.9680104400
chlorine_39            38.9680082000
chlorine_40            39.9704150000
chlorine_41            40.9706850000
chlorine_42            41.9732500000
chlorine_43            42.9738900000
chlorine_44            43.9778700000
chlorine_45            44.9802900000
chlorine_46            45.9851700000
chlorine_47            46.9891600000
chlorine_48            47.9956400000
chlorine_49            49.0012300000
chlorine_50            50.0090500000
chlorine_51            51.0155400000
chlorine          0.75760000 chlorine_35 \
                + 0.24240000 chlorine_37

# argon: Ar (18)  std atomic weight: 39.948(1)
argon_30               30.0230700000
argon_31               31.0121200000
argon_32               31.9976378000
argon_33               32.9899255500
argon_34               33.9802700900
argon_35               34.9752575900
argon_36               35.9675451050   # 0.00333600
argon_37               36.9667763300
argon_38               37.9627321100   # 0.00062900
argon_39               38.9643130000
argon_40               39.9623831237   # 0.99603500
argon_41               40.9645005700
argon_42               41.9630457000
argon_43               42.9656361000
argon_44               43.9649238000
argon_45               44.9680397300
argon_46               45.9680830000
argon_47               46.9729350000
argon_48               47.9759100000
argon_49               48.9819000000
argon_50               49.9861300000
argon_51               50.9937000000
argon_52               51.9989600000
argon_53               53.0072900000
argon             0.00333600 argon_36 \
                + 0.00062900 argon_38 \
                + 0.99603500 argon_40

# potassium: K (19)  std atomic weight: 39.0983(1)
potassium_32           32.0226500000
potassium_33           33.0075600000
potassium_34           33.9986900000
potassium_35           34.9880054100
potassium_36           35.9813020100
potassium_37           36.9733758900
potassium_38           37.9690811200
potassium_39           38.9637064864   # 0.93258100
potassium_40           39.9639981660   # 0.00011700
potassium_41           40.9618252579   # 0.06730200
potassium_42           41.9624023100
potassium_43           42.9607347000
potassium_44           43.9615869900
potassium_45           44.9606914900
potassium_46           45.9619815900
potassium_47           46.9616616000
potassium_48           47.9653411900
potassium_49           48.9682107500
potassium_50           49.9723800000
potassium_51           50.9758280000
potassium_52           51.9822400000
potassium_53           52.9874600000
potassium_54           53.9946300000
potassium_55           55.0007600000
potassium_56           56.0085100000
potassium         0.93258100 potassium_39 \
                + 0.00011700 potassium_40 \
                + 0.06730200 potassium_41

# calcium: Ca (20)  std atomic weight: 40.078(4)
calcium_34             34.0148700000
calcium_35             35.0051400000
calcium_36             35.9930740000
calcium_37             36.9858978500
calcium_38             37.9763192200
calcium_39             38.9707108100
calcium_40             39.9625908630   # 0.96941000
calcium_41             40.9622779200
calcium_42             41.9586178300   # 0.00647000
calcium_43             42.9587664400   # 0.00135000
calcium_44             43.9554815600   # 0.02086000
calcium_45             44.9561863500
calcium_46             45.9536890000   # 0.00004000
calcium_47             46.9545424000
calcium_48             47.9525227600   # 0.00187000
calcium_49             48.9556627400
calcium_50             49.9574992000
calcium_51             50.9609890000
calcium_52             51.9632170000
calcium_53             52.9694500000
calcium_54             53.9734000000
calcium_55             54.9803000000
calcium_56             55.9850800000
calcium_57             56.9926200000
calcium_58             57.9979400000
calcium           0.96941000 calcium_40 \
                + 0.00647000 calcium_42 \
                + 0.00135000 calcium_43 \
                + 0.02086000 calcium_44 \
                + 0.00004000 calcium_46 \
                + 0.00187000 calcium_48

# scandium: Sc (21)  std atomic weight: 44.955908(5)
scandium_36            36.0164800000
scandium_37            37.0037400000
scandium_38            37.9951200000
scandium_39            38.9847850000
scandium_40            39.9779673000
scandium_41            40.9692511050
scandium_42            41.9655165300
scandium_43            42.9611505000
scandium_44            43.9594029000
scandium_45            44.9559082800   # 1.00000000
scandium_46            45.9551682600
scandium_47            46.9524037000
scandium_48            47.9522236000
scandium_49            48.9500146000
scandium_50            49.9521760000
scandium_51            50.9535920000
scandium_52            51.9568800000
scandium_53            52.9590900000
scandium_54            53.9639300000
scandium_55            54.9678200000
scandium_56            55.9734500000
scandium_57            56.9777700000
scandium_58            57.9840300000
scandium_59            58.9889400000
scandium_60            59.9956500000
scandium_61            61.0010000000
scandium               scandium_45

# titanium: Ti (22)  std atomic weight: 47.867(1)
titanium_38            38.0114500000
titanium_39            39.0023600000
titanium_40            39.9905000000
titanium_41            40.9831480000
titanium_42            41.9730490300
titanium_43            42.9685225000
titanium_44            43.9596899500
titanium_45            44.9581219800
titanium_46            45.9526277200   # 0.08250000
titanium_47            46.9517587900   # 0.07440000
titanium_48            47.9479419800   # 0.73720000
titanium_49            48.9478656800   # 0.05410000
titanium_50            49.9447868900   # 0.05180000
titanium_51            50.9466106500
titanium_52            51.9468930000
titanium_53            52.9497300000
titanium_54            53.9510500000
titanium_55            54.9552700000
titanium_56            55.9579100000
titanium_57            56.9636400000
titanium_58            57.9666000000
titanium_59            58.9724700000
titanium_60            59.9760300000
titanium_61            60.9824500000
titanium_62            61.9865100000
titanium_63            62.9937500000
titanium          0.08250000 titanium_46 \
                + 0.07440000 titanium_47 \
                + 0.73720000 titanium_48 \
                + 0.05410000 titanium_49 \
                + 0.05180000 titanium_50

# vanadium: V (23)  std atomic weight: 50.9415(1)
vanadium_40            40.0127600000
vanadium_41            41.0002100000
vanadium_42            41.9918200000
vanadium_43            42.9807660000
vanadium_44            43.9741100000
vanadium_45            44.9657748000
vanadium_46            45.9601987800
vanadium_47            46.9549049100
vanadium_48            47.9522522000
vanadium_49            48.9485118000
vanadium_50            49.9471560100   # 0.00250000
vanadium_51            50.9439570400   # 0.99750000
vanadium_52            51.9447730100
vanadium_53            52.9443367000
vanadium_54            53.9464390000
vanadium_55            54.9472400000
vanadium_56            55.9504800000
vanadium_57            56.9525200000
vanadium_58            57.9567200000
vanadium_59            58.9593900000
vanadium_60            59.9643100000
vanadium_61            60.9672500000
vanadium_62            61.9726500000
vanadium_63            62.9763900000
vanadium_64            63.9826400000
vanadium_65            64.9875000000
vanadium_66            65.9939800000
vanadium          0.00250000 vanadium_50 \
                + 0.99750000 vanadium_51

# chromium: Cr (24)  std atomic weight: 51.9961(6)
chromium_42            42.0067000000
chromium_43            42.9975300000
chromium_44            43.9853600000
chromium_45            44.9790500000
chromium_46            45.9683590000
chromium_47            46.9628974000
chromium_48            47.9540291000
chromium_49            48.9513333000
chromium_50            49.9460418300   # 0.04345000
chromium_51            50.9447650200
chromium_52            51.9405062300   # 0.83789000
chromium_53            52.9406481500   # 0.09501000
chromium_54            53.9388791600   # 0.02365000
chromium_55            54.9408384300
chromium_56            55.9406531000
chromium_57            56.9436130000
chromium_58            57.9443500000
chromium_59            58.9485900000
chromium_60            59.9500800000
chromium_61            60.9544200000
chromium_62            61.9561000000
chromium_63            62.9616500000
chromium_64            63.9640800000
chromium_65            64.9699600000
chromium_66            65.9736600000
chromium_67            66.9801600000
chromium_68            67.9840300000
chromium          0.04345000 chromium_50 \
                + 0.83789000 chromium_52 \
                + 0.09501000 chromium_53 \
                + 0.02365000 chromium_54

# manganese: Mn (25)  std atomic weight: 54.938044(3)
manganese_44           44.0071500000
manganese_45           44.9944900000
manganese_46           45.9860900000
manganese_47           46.9757750000
manganese_48           47.9685200000
manganese_49           48.9595950000
manganese_50           49.9542377800
manganese_51           50.9482084700
manganese_52           51.9455639000
manganese_53           52.9412888900
manganese_54           53.9403576000
manganese_55           54.9380439100   # 1.00000000
manganese_56           55.9389036900
manganese_57           56.9382861000
manganese_58           57.9400666000
manganese_59           58.9403911000
manganese_60           59.9431366000
manganese_61           60.9444525000
manganese_62           61.9479500000
manganese_63           62.9496647000
manganese_64           63.9538494000
manganese_65           64.9560198000
manganese_66           65.9605470000
manganese_67           66.9642400000
manganese_68           67.9696200000
manganese_69           68.9736600000
manganese_70           69.9793700000
manganese_71           70.9836800000
manganese              manganese_55

# iron: Fe (26)  std atomic weight: 55.845(2)
iron_45                45.0144200000
iron_46                46.0006300000
iron_47                46.9918500000
iron_48                47.9802300000
iron_49                48.9734290000
iron_50                49.9629750000
iron_51                50.9568410000
iron_52                51.9481131000
iron_53                52.9453064000
iron_54                53.9396089900   # 0.05845000
iron_55                54.9382919900
iron_56                55.9349363300   # 0.91754000
iron_57                56.9353928400   # 0.02119000
iron_58                57.9332744300   # 0.00282000
iron_59                58.9348743400
iron_60                59.9340711000
iron_61                60.9367462000
iron_62                61.9367918000
iron_63                62.9402727000
iron_64                63.9409878000
iron_65                64.9450115000
iron_66                65.9462500000
iron_67                66.9505400000
iron_68                67.9529500000
iron_69                68.9580700000
iron_70                69.9610200000
iron_71                70.9667200000
iron_72                71.9698300000
iron_73                72.9757200000
iron_74                73.9793500000
iron              0.05845000 iron_54 \
                + 0.91754000 iron_56 \
                + 0.02119000 iron_57 \
                + 0.00282000 iron_58

# cobalt: Co (27)  std atomic weight: 58.933194(4)
cobalt_47              47.0105700000
cobalt_48              48.0009300000
cobalt_49              48.9889100000
cobalt_50              49.9809100000
cobalt_51              50.9706470000
cobalt_52              51.9635100000
cobalt_53              52.9542041000
cobalt_54              53.9484598700
cobalt_55              54.9419972000
cobalt_56              55.9398388000
cobalt_57              56.9362905700
cobalt_58              57.9357521000
cobalt_59              58.9331942900   # 1.00000000
cobalt_60              59.9338163000
cobalt_61              60.9324766200
cobalt_62              61.9340590000
cobalt_63              62.9336000000
cobalt_64              63.9358110000
cobalt_65              64.9364621000
cobalt_66              65.9394430000
cobalt_67              66.9406096000
cobalt_68              67.9442600000
cobalt_69              68.9461400000
cobalt_70              69.9496300000
cobalt_71              70.9523700000
cobalt_72              71.9572900000
cobalt_73              72.9603900000
cobalt_74              73.9651500000
cobalt_75              74.9687600000
cobalt_76              75.9741300000
cobalt                 cobalt_59

# nickel: Ni (28)  std atomic weight: 58.6934(4)
nickel_48              48.0176900000
nickel_49              49.0077000000
nickel_50              49.9947400000
nickel_51              50.9861100000
nickel_52              51.9748000000
nickel_53              52.9681900000
nickel_54              53.9578920000
nickel_55              54.9513306300
nickel_56              55.9421285500
nickel_57              56.9397921800
nickel_58              57.9353424100   # 0.68077000
nickel_59              58.9343462000
nickel_60              59.9307858800   # 0.26223000
nickel_61              60.9310555700   # 0.01139900
nickel_62              61.9283453700   # 0.03634600
nickel_63              62.9296696300
nickel_64              63.9279668200   # 0.00925500
nickel_65              64.9300851700
nickel_66              65.9291393000
nickel_67              66.9315694000
nickel_68              67.9318688000
nickel_69              68.9356103000
nickel_70              69.9364313000
nickel_71              70.9405190000
nickel_72              71.9417859000
nickel_73              72.9462067000
nickel_74              73.9479800000
nickel_75              74.9525000000
nickel_76              75.9553300000
nickel_77              76.9605500000
nickel_78              77.9633600000
nickel_79              78.9702500000
nickel            0.68077000 nickel_58 \
                + 0.26223000 nickel_60 \
                + 0.01139900 nickel_61 \
                + 0.03634600 nickel_62 \
                + 0.00925500 nickel_64

# copper: Cu (29)  std atomic weight: 63.546(3)
copper_52              51.9967100000
copper_53              52.9845900000
copper_54              53.9766600000
copper_55              54.9660400000
copper_56              55.9589500000
copper_57              56.9492125000
copper_58              57.9445330500
copper_59              58.9394974800
copper_60              59.9373645000
copper_61              60.9334576000
copper_62              61.9325954100
copper_63              62.9295977200   # 0.69150000
copper_64              63.9297643400
copper_65              64.9277897000   # 0.30850000
copper_66              65.9288690300
copper_67              66.9277303000
copper_68              67.9296109000
copper_69              68.9294293000
copper_70              69.9323921000
copper_71              70.9326768000
copper_72              71.9358203000
copper_73              72.9366744000
copper_74              73.9398749000
copper_75              74.9415226000
copper_76              75.9452750000
copper_77              76.9479200000
copper_78              77.9522300000
copper_79              78.9550200000
copper_80              79.9608900000
copper_81              80.9658700000
copper_82              81.9724400000
copper            0.69150000 copper_63 \
                + 0.30850000 copper_65

# zinc: Zn (30)  std atomic weight: 65.38(2)
zinc_54                53.9920400000
zinc_55                54.9839800000
zinc_56                55.9725400000
zinc_57                56.9650600000
zinc_58                57.9545910000
zinc_59                58.9493126600
zinc_60                59.9418421000
zinc_61                60.9395070000
zinc_62                61.9343339700
zinc_63                62.9332115000
zinc_64                63.9291420100   # 0.49170000
zinc_65                64.9292407700
zinc_66                65.9260338100   # 0.27730000
zinc_67                66.9271277500   # 0.04040000
zinc_68                67.9248445500   # 0.18450000
zinc_69                68.9265507000
zinc_70                69.9253192000   # 0.00610000
zinc_71                70.9277196000
zinc_72                71.9268428000
zinc_73                72.9295826000
zinc_74                73.9294073000
zinc_75                74.9328402000
zinc_76                75.9331150000
zinc_77                76.9368872000
zinc_78                77.9382892000
zinc_79                78.9426381000
zinc_80                79.9445529000
zinc_81                80.9504026000
zinc_82                81.9542600000
zinc_83                82.9605600000
zinc_84                83.9652100000
zinc_85                84.9722600000
zinc              0.49170000 zinc_64 \
                + 0.27730000 zinc_66 \
                + 0.04040000 zinc_67 \
                + 0.18450000 zinc_68 \
                + 0.00610000 zinc_70

# gallium: Ga (31)  std atomic weight: 69.723(1)
gallium_56             55.9953600000
gallium_57             56.9832000000
gallium_58             57.9747800000
gallium_59             58.9635300000
gallium_60             59.9572900000
gallium_61             60.9493990000
gallium_62             61.9441902500
gallium_63             62.9392942000
gallium_64             63.9368404000
gallium_65             64.9327345900
gallium_66             65.9315894000
gallium_67             66.9282025000
gallium_68             67.9279805000
gallium_69             68.9255735000   # 0.60108000
gallium_70             69.9260219000
gallium_71             70.9247025800   # 0.39892000
gallium_72             71.9263674700
gallium_73             72.9251747000
gallium_74             73.9269457000
gallium_75             74.9265002000
gallium_76             75.9288276000
gallium_77             76.9291543000
gallium_78             77.9316088000
gallium_79             78.9328523000
gallium_80             79.9364208000
gallium_81             80.9381338000
gallium_82             81.9431765000
gallium_83             82.9471203000
gallium_84             83.9524600000
gallium_85             84.9569900000
gallium_86             85.9630100000
gallium_87             86.9682400000
gallium           0.60108000 gallium_69 \
                + 0.39892000 gallium_71

# germanium: Ge (32)  std atomic weight: 72.630(8)
germanium_58           57.9917200000
germanium_59           58.9824900000
germanium_60           59.9703600000
germanium_61           60.9637900000
germanium_62           61.9550200000
germanium_63           62.9496280000
germanium_64           63.9416899000
germanium_65           64.9393681000
germanium_66           65.9338621000
germanium_67           66.9327339000
germanium_68           67.9280953000
germanium_69           68.9279645000
germanium_70           69.9242487500   # 0.20570000
germanium_71           70.9249523300
germanium_72           71.9220758260   # 0.27450000
germanium_73           72.9234589560   # 0.07750000
germanium_74           73.9211777610   # 0.36500000
germanium_75           74.9228583700
germanium_76           75.9214027260   # 0.07730000
germanium_77           76.9235498430
germanium_78           77.9228529000
germanium_79           78.9253600000
germanium_80           79.9253508000
germanium_81           80.9288329000
germanium_82           81.9297740000
germanium_83           82.9345391000
germanium_84           83.9375751000
germanium_85           84.9429697000
germanium_86           85.9465800000
germanium_87           86.9526800000
germanium_88           87.9569100000
germanium_89           88.9637900000
germanium_90           89.9686300000
germanium         0.20570000 germanium_70 \
                + 0.27450000 germanium_72 \
                + 0.07750000 germanium_73 \
                + 0.36500000 germanium_74 \
                + 0.07730000 germanium_76

# arsenic: As (33)  std atomic weight: 74.921595(6)
arsenic_60             59.9938800000
arsenic_61             60.9811200000
arsenic_62             61.9736100000
arsenic_63             62.9639000000
arsenic_64             63.9574300000
arsenic_65             64.9496110000
arsenic_66             65.9441488000
arsenic_67             66.9392511100
arsenic_68             67.9367741000
arsenic_69             68.9322460000
arsenic_70             69.9309260000
arsenic_71             70.9271138000
arsenic_72             71.9267523000
arsenic_73             72.9238291000
arsenic_74             73.9239286000
arsenic_75             74.9215945700   # 1.00000000
arsenic_76             75.9223920200
arsenic_77             76.9206476000
arsenic_78             77.9218280000
arsenic_79             78.9209484000
arsenic_80             79.9224746000
arsenic_81             80.9221323000
arsenic_82             81.9247412000
arsenic_83             82.9252069000
arsenic_84             83.9293033000
arsenic_85             84.9321637000
arsenic_86             85.9367015000
arsenic_87             86.9402917000
arsenic_88             87.9455500000
arsenic_89             88.9497600000
arsenic_90             89.9556300000
arsenic_91             90.9603900000
arsenic_92             91.9667400000
arsenic                arsenic_75

# selenium: Se (34)  std atomic weight: 78.971(8)
selenium_64            63.9710900000
selenium_65            64.9644000000
selenium_66            65.9555900000
selenium_67            66.9499940000
selenium_68            67.9418252400
selenium_69            68.9394148000
selenium_70            69.9335155000
selenium_71            70.9322094000
selenium_72            71.9271405000
selenium_73            72.9267549000
selenium_74            73.9224759340   # 0.00890000
selenium_75            74.9225228700
selenium_76            75.9192137040   # 0.09370000
selenium_77            76.9199141540   # 0.07630000
selenium_78            77.9173092800   # 0.23770000
selenium_79            78.9184992900
selenium_80            79.9165218000   # 0.49610000
selenium_81            80.9179930000
selenium_82            81.9166995000   # 0.08730000
selenium_83            82.9191186000
selenium_84            83.9184668000
selenium_85            84.9222608000
selenium_86            85.9243117000
selenium_87            86.9286886000
selenium_88            87.9314175000
selenium_89            88.9366691000
selenium_90            89.9401000000
selenium_91            90.9459600000
selenium_92            91.9498400000
selenium_93            92.9562900000
selenium_94            93.9604900000
selenium_95            94.9673000000
selenium          0.00890000 selenium_74 \
                + 0.09370000 selenium_76 \
                + 0.07630000 selenium_77 \
                + 0.23770000 selenium_78 \
                + 0.49610000 selenium_80 \
                + 0.08730000 selenium_82

# bromine: Br (35)  std atomic weight: [79.901,79.907]
bromine_67             66.9646500000
bromine_68             67.9587300000
bromine_69             68.9504970000
bromine_70             69.9447920000
bromine_71             70.9393422000
bromine_72             71.9365886000
bromine_73             72.9316715000
bromine_74             73.9299102000
bromine_75             74.9258105000
bromine_76             75.9245420000
bromine_77             76.9213792000
bromine_78             77.9211459000
bromine_79             78.9183376000   # 0.50690000
bromine_80             79.9185298000
bromine_81             80.9162897000   # 0.49310000
bromine_82             81.9168032000
bromine_83             82.9151756000
bromine_84             83.9164960000
bromine_85             84.9156458000
bromine_86             85.9188054000
bromine_87             86.9206740000
bromine_88             87.9240833000
bromine_89             88.9267046000
bromine_90             89.9312928000
bromine_91             90.9343986000
bromine_92             91.9396316000
bromine_93             92.9431300000
bromine_94             93.9489000000
bromine_95             94.9530100000
bromine_96             95.9590300000
bromine_97             96.9634400000
bromine_98             97.9694600000
bromine           0.50690000 bromine_79 \
                + 0.49310000 bromine_81

# krypton: Kr (36)  std atomic weight: 83.798(2)
krypton_69             68.9651800000
krypton_70             69.9560400000
krypton_71             70.9502700000
krypton_72             71.9420924000
krypton_73             72.9392892000
krypton_74             73.9330840000
krypton_75             74.9309457000
krypton_76             75.9259103000
krypton_77             76.9246700000
krypton_78             77.9203649400   # 0.00355000
krypton_79             78.9200829000
krypton_80             79.9163780800   # 0.02286000
krypton_81             80.9165912000
krypton_82             81.9134827300   # 0.11593000
krypton_83             82.9141271600   # 0.11500000
krypton_84             83.9114977282   # 0.56987000
krypton_85             84.9125273000
krypton_86             85.9106106269   # 0.17279000
krypton_87             86.9133547600
krypton_88             87.9144479000
krypton_89             88.9178355000
krypton_90             89.9195279000
krypton_91             90.9238063000
krypton_92             91.9261731000
krypton_93             92.9311472000
krypton_94             93.9341400000
krypton_95             94.9397110000
krypton_96             95.9430170000
krypton_97             96.9490900000
krypton_98             97.9524300000
krypton_99             98.9583900000
krypton_100            99.9623700000
krypton_101           100.9687300000
krypton           0.00355000 krypton_78 \
                + 0.02286000 krypton_80 \
                + 0.11593000 krypton_82 \
                + 0.11500000 krypton_83 \
                + 0.56987000 krypton_84 \
                + 0.17279000 krypton_86

# rubidium: Rb (37)  std atomic weight: 85.4678(3)
rubidium_71            70.9653200000
rubidium_72            71.9590800000
rubidium_73            72.9505300000
rubidium_74            73.9442659000
rubidium_75            74.9385732000
rubidium_76            75.9350730000
rubidium_77            76.9304016000
rubidium_78            77.9281419000
rubidium_79            78.9239899000
rubidium_80            79.9225164000
rubidium_81            80.9189939000
rubidium_82            81.9182090000
rubidium_83            82.9151142000
rubidium_84            83.9143752000
rubidium_85            84.9117897379   # 0.72170000
rubidium_86            85.9111674300
rubidium_87            86.9091805310   # 0.27830000
rubidium_88            87.9113155900
rubidium_89            88.9122783000
rubidium_90            89.9147985000
rubidium_91            90.9165372000
rubidium_92            91.9197284000
rubidium_93            92.9220393000
rubidium_94            93.9263948000
rubidium_95            94.9292600000
rubidium_96            95.9341334000
rubidium_97            96.9371771000
rubidium_98            97.9416869000
rubidium_99            98.9450300000
rubidium_100           99.9500300000
rubidium_101          100.9540400000
rubidium_102          101.9595200000
rubidium_103          102.9639200000
rubidium          0.72170000 rubidium_85 \
                + 0.27830000 rubidium_87

# strontium: Sr (38)  std atomic weight: 87.62(1)
strontium_73           72.9657000000
strontium_74           73.9561700000
strontium_75           74.9499500000
strontium_76           75.9417630000
strontium_77           76.9379455000
strontium_78           77.9321800000
strontium_79           78.9297077000
strontium_80           79.9245175000
strontium_81           80.9232114000
strontium_82           81.9183999000
strontium_83           82.9175544000
strontium_84           83.9134191000   # 0.00560000
strontium_85           84.9129320000
strontium_86           85.9092606000   # 0.09860000
strontium_87           86.9088775000   # 0.07000000
strontium_88           87.9056125000   # 0.82580000
strontium_89           88.9074511000
strontium_90           89.9077300000
strontium_91           90.9101954000
strontium_92           91.9110382000
strontium_93           92.9140242000
strontium_94           93.9153556000
strontium_95           94.9193529000
strontium_96           95.9217066000
strontium_97           96.9263740000
strontium_98           97.9286888000
strontium_99           98.9328907000
strontium_100          99.9357700000
strontium_101         100.9403520000
strontium_102         101.9437910000
strontium_103         102.9490900000
strontium_104         103.9526500000
strontium_105         104.9585500000
strontium_106         105.9626500000
strontium_107         106.9689700000
strontium         0.00560000 strontium_84 \
                + 0.09860000 strontium_86 \
                + 0.07000000 strontium_87 \
                + 0.82580000 strontium_88

# yttrium: Y (39)  std atomic weight: 88.90584(2)
yttrium_76             75.9585600000
yttrium_77             76.9497810000
yttrium_78             77.9436100000
yttrium_79             78.9373500000
yttrium_80             79.9343561000
yttrium_81             80.9294556000
yttrium_82             81.9269314000
yttrium_83             82.9224850000
yttrium_84             83.9206721000
yttrium_85             84.9164330000
yttrium_86             85.9148860000
yttrium_87             86.9108761000
yttrium_88             87.9095016000
yttrium_89             88.9058403000   # 1.00000000
yttrium_90             89.9071439000
yttrium_91             90.9072974000
yttrium_92             91.9089451000
yttrium_93             92.9095780000
yttrium_94             93.9115906000
yttrium_95             94.9128161000
yttrium_96             95.9158968000
yttrium_97             96.9182741000
yttrium_98             97.9223821000
yttrium_99             98.9241480000
yttrium_100            99.9277150000
yttrium_101           100.9301477000
yttrium_102           101.9343277000
yttrium_103           102.9372430000
yttrium_104           103.9419600000
yttrium_105           104.9454400000
yttrium_106           105.9505600000
yttrium_107           106.9545200000
yttrium_108           107.9599600000
yttrium_109           108.9643600000
yttrium               yttrium_89

# zirconium: Zr (40)  std atomic weight: 91.224(2)
zirconium_78           77.9556600000
zirconium_79           78.9494800000
zirconium_80           79.9404000000
zirconium_81           80.9373100000
zirconium_82           81.9313500000
zirconium_83           82.9292421000
zirconium_84           83.9233269000
zirconium_85           84.9214444000
zirconium_86           85.9162972000
zirconium_87           86.9148180000
zirconium_88           87.9102213000
zirconium_89           88.9088814000
zirconium_90           89.9046977000   # 0.51450000
zirconium_91           90.9056396000   # 0.11220000
zirconium_92           91.9050347000   # 0.17150000
zirconium_93           92.9064699000
zirconium_94           93.9063108000   # 0.17380000
zirconium_95           94.9080385000
zirconium_96           95.9082714000   # 0.02800000
zirconium_97           96.9109512000
zirconium_98           97.9127289000
zirconium_99           98.9166670000
zirconium_100          99.9180006000
zirconium_101         100.9214480000
zirconium_102         101.9231409000
zirconium_103         102.9271910000
zirconium_104         103.9294360000
zirconium_105         104.9340080000
zirconium_106         105.9367600000
zirconium_107         106.9417400000
zirconium_108         107.9448700000
zirconium_109         108.9504100000
zirconium_110         109.9539600000
zirconium_111         110.9596800000
zirconium_112         111.9637000000
zirconium         0.51450000 zirconium_90 \
                + 0.11220000 zirconium_91 \
                + 0.17150000 zirconium_92 \
                + 0.17380000 zirconium_94 \
                + 0.02800000 zirconium_96

# niobium: Nb (41)  std atomic weight: 92.90637(2)
niobium_81             80.9496000000
niobium_82             81.9439600000
niobium_83             82.9372900000
niobium_84             83.9344900000
niobium_85             84.9288458000
niobium_86             85.9257828000
niobium_87             86.9206937000
niobium_88             87.9182220000
niobium_89             88.9134450000
niobium_90             89.9112584000
niobium_91             90.9069897000
niobium_92             91.9071881000
niobium_93             92.9063730000   # 1.00000000
niobium_94             93.9072788000
niobium_95             94.9068324000
niobium_96             95.9080973000
niobium_97             96.9080959000
niobium_98             97.9103265000
niobium_99             98.9116130000
niobium_100            99.9143276000
niobium_101           100.9153103000
niobium_102           101.9180772000
niobium_103           102.9194572000
niobium_104           103.9228925000
niobium_105           104.9249465000
niobium_106           105.9289317000
niobium_107           106.9315937000
niobium_108           107.9360748000
niobium_109           108.9392200000
niobium_110           109.9440300000
niobium_111           110.9475300000
niobium_112           111.9524700000
niobium_113           112.9565100000
niobium_114           113.9620100000
niobium_115           114.9663400000
niobium               niobium_93

# molybdenum: Mo (42)  std atomic weight: 95.95(1)
molybdenum_83          82.9498800000
molybdenum_84          83.9414900000
molybdenum_85          84.9382610000
molybdenum_86          85.9311748000
molybdenum_87          86.9281962000
molybdenum_88          87.9219678000
molybdenum_89          88.9194682000
molybdenum_90          89.9139309000
molybdenum_91          90.9117453000
molybdenum_92          91.9068079600   # 0.14530000
molybdenum_93          92.9068095800
molybdenum_94          93.9050849000   # 0.09150000
molybdenum_95          94.9058387700   # 0.15840000
molybdenum_96          95.9046761200   # 0.16670000
molybdenum_97          96.9060181200   # 0.09600000
molybdenum_98          97.9054048200   # 0.24390000
molybdenum_99          98.9077085100
molybdenum_100         99.9074718000   # 0.09820000
molybdenum_101        100.9103414000
molybdenum_102        101.9102834000
molybdenum_103        102.9130790000
molybdenum_104        103.9137344000
molybdenum_105        104.9169690000
molybdenum_106        105.9182590000
molybdenum_107        106.9221060000
molybdenum_108        107.9240330000
molybdenum_109        108.9284240000
molybdenum_110        109.9307040000
molybdenum_111        110.9356540000
molybdenum_112        111.9383100000
molybdenum_113        112.9433500000
molybdenum_114        113.9465300000
molybdenum_115        114.9519600000
molybdenum_116        115.9554500000
molybdenum_117        116.9611700000
molybdenum        0.14530000 molybdenum_92 \
                + 0.09150000 molybdenum_94 \
                + 0.15840000 molybdenum_95 \
                + 0.16670000 molybdenum_96 \
                + 0.09600000 molybdenum_97 \
                + 0.24390000 molybdenum_98 \
                + 0.09820000 molybdenum_100

# technetium: Tc (43)  std atomic weight: [98]
technetium_85          84.9505800000
technetium_86          85.9449300000
technetium_87          86.9380672000
technetium_88          87.9337800000
technetium_89          88.9276487000
technetium_90          89.9240739000
technetium_91          90.9184254000
technetium_92          91.9152698000
technetium_93          92.9102460000
technetium_94          93.9096536000
technetium_95          94.9076536000
technetium_96          95.9078680000
technetium_97          96.9063667000
technetium_98          97.9072124000
technetium_99          98.9062508000
technetium_100         99.9076539000
technetium_101        100.9073090000
technetium_102        101.9092097000
technetium_103        102.9091760000
technetium_104        103.9114250000
technetium_105        104.9116550000
technetium_106        105.9143580000
technetium_107        106.9154606000
technetium_108        107.9184957000
technetium_109        108.9202560000
technetium_110        109.9237440000
technetium_111        110.9259010000
technetium_112        111.9299458000
technetium_113        112.9325690000
technetium_114        113.9369100000
technetium_115        114.9399800000
technetium_116        115.9447600000
technetium_117        116.9480600000
technetium_118        117.9529900000
technetium_119        118.9566600000
technetium_120        119.9618700000
technetium            technetium_98    # most stable

# ruthenium: Ru (44)  std atomic weight: 101.07(2)
ruthenium_87           86.9506900000
ruthenium_88           87.9416000000
ruthenium_89           88.9376200000
ruthenium_90           89.9303444000
ruthenium_91           90.9267419000
ruthenium_92           91.9202344000
ruthenium_93           92.9171044000
ruthenium_94           93.9113429000
ruthenium_95           94.9104060000
ruthenium_96           95.9075902500   # 0.05540000
ruthenium_97           96.9075471000
ruthenium_98           97.9052868000   # 0.01870000
ruthenium_99           98.9059341000   # 0.12760000
ruthenium_100          99.9042143000   # 0.12600000
ruthenium_101         100.9055769000   # 0.17060000
ruthenium_102         101.9043441000   # 0.31550000
ruthenium_103         102.9063186000
ruthenium_104         103.9054275000   # 0.18620000
ruthenium_105         104.9077476000
ruthenium_106         105.9073291000
ruthenium_107         106.9099720000
ruthenium_108         107.9101880000
ruthenium_109         108.9133260000
ruthenium_110         109.9140407000
ruthenium_111         110.9175700000
ruthenium_112         111.9188090000
ruthenium_113         112.9228440000
ruthenium_114         113.9246136000
ruthenium_115         114.9288200000
ruthenium_116         115.9312192000
ruthenium_117         116.9361000000
ruthenium_118         117.9385300000
ruthenium_119         118.9435700000
ruthenium_120         119.9463100000
ruthenium_121         120.9516400000
ruthenium_122         121.9544700000
ruthenium_123         122.9598900000
ruthenium_124         123.9630500000
ruthenium         0.05540000 ruthenium_96 \
                + 0.01870000 ruthenium_98 \
                + 0.12760000 ruthenium_99 \
                + 0.12600000 ruthenium_100 \
                + 0.17060000 ruthenium_101 \
                + 0.31550000 ruthenium_102 \
                + 0.18620000 ruthenium_104

# rhodium: Rh (45)  std atomic weight: 102.90550(2)
rhodium_89             88.9505800000
rhodium_90             89.9442200000
rhodium_91             90.9368800000
rhodium_92             91.9323677000
rhodium_93             92.9259128000
rhodium_94             93.9217305000
rhodium_95             94.9158979000
rhodium_96             95.9144530000
rhodium_97             96.9113290000
rhodium_98             97.9107080000
rhodium_99             98.9081282000
rhodium_100            99.9081170000
rhodium_101           100.9061606000
rhodium_102           101.9068374000
rhodium_103           102.9054980000   # 1.00000000
rhodium_104           103.9066492000
rhodium_105           104.9056885000
rhodium_106           105.9072868000
rhodium_107           106.9067480000
rhodium_108           107.9087140000
rhodium_109           108.9087488000
rhodium_110           109.9110790000
rhodium_111           110.9116423000
rhodium_112           111.9144030000
rhodium_113           112.9154393000
rhodium_114           113.9187180000
rhodium_115           114.9203116000
rhodium_116           115.9240590000
rhodium_117           116.9260354000
rhodium_118           117.9303400000
rhodium_119           118.9325570000
rhodium_120           119.9368600000
rhodium_121           120.9394200000
rhodium_122           121.9439900000
rhodium_123           122.9468500000
rhodium_124           123.9515100000
rhodium_125           124.9546900000
rhodium_126           125.9594600000
rhodium               rhodium_103

# palladium: Pd (46)  std atomic weight: 106.42(1)
palladium_91           90.9503200000
palladium_92           91.9408800000
palladium_93           92.9365100000
palladium_94           93.9290376000
palladium_95           94.9248898000
palladium_96           95.9182151000
palladium_97           96.9164720000
palladium_98           97.9126983000
palladium_99           98.9117748000
palladium_100          99.9085050000
palladium_101         100.9082864000
palladium_102         101.9056022000   # 0.01020000
palladium_103         102.9060809000
palladium_104         103.9040305000   # 0.11140000
palladium_105         104.9050796000   # 0.22330000
palladium_106         105.9034804000   # 0.27330000
palladium_107         106.9051282000
palladium_108         107.9038916000   # 0.26460000
palladium_109         108.9059504000
palladium_110         109.9051722000   # 0.11720000
palladium_111         110.9076896800
palladium_112         111.9073297000
palladium_113         112.9102610000
palladium_114         113.9103686000
palladium_115         114.9136590000
palladium_116         115.9142970000
palladium_117         116.9179547000
palladium_118         117.9190667000
palladium_119         118.9233402000
palladium_120         119.9245511000
palladium_121         120.9289503000
palladium_122         121.9306320000
palladium_123         122.9351400000
palladium_124         123.9371400000
palladium_125         124.9417900000
palladium_126         125.9441600000
palladium_127         126.9490700000
palladium_128         127.9518300000
palladium         0.01020000 palladium_102 \
                + 0.11140000 palladium_104 \
                + 0.22330000 palladium_105 \
                + 0.27330000 palladium_106 \
                + 0.26460000 palladium_108 \
                + 0.11720000 palladium_110

# silver: Ag (47)  std atomic weight: 107.8682(2)
silver_93              92.9503300000
silver_94              93.9437300000
silver_95              94.9360200000
silver_96              95.9307440000
silver_97              96.9239700000
silver_98              97.9215600000
silver_99              98.9176458000
silver_100             99.9161154000
silver_101            100.9126840000
silver_102            101.9117047000
silver_103            102.9089631000
silver_104            103.9086239000
silver_105            104.9065256000
silver_106            105.9066636000
silver_107            106.9050916000   # 0.51839000
silver_108            107.9059503000
silver_109            108.9047553000   # 0.48161000
silver_110            109.9061102000
silver_111            110.9052959000
silver_112            111.9070486000
silver_113            112.9065730000
silver_114            113.9088230000
silver_115            114.9087670000
silver_116            115.9113868000
silver_117            116.9117740000
silver_118            117.9145955000
silver_119            118.9155700000
silver_120            119.9187848000
silver_121            120.9201250000
silver_122            121.9236640000
silver_123            122.9253370000
silver_124            123.9289300000
silver_125            124.9310500000
silver_126            125.9347500000
silver_127            126.9371100000
silver_128            127.9410600000
silver_129            128.9439500000
silver_130            129.9507000000
silver            0.51839000 silver_107 \
                + 0.48161000 silver_109

# cadmium: Cd (48)  std atomic weight: 112.414(4)
cadmium_95             94.9499400000
cadmium_96             95.9403400000
cadmium_97             96.9351000000
cadmium_98             97.9273890000
cadmium_99             98.9249258000
cadmium_100            99.9203488000
cadmium_101           100.9185862000
cadmium_102           101.9144820000
cadmium_103           102.9134165000
cadmium_104           103.9098564000
cadmium_105           104.9094639000
cadmium_106           105.9064599000   # 0.01250000
cadmium_107           106.9066121000
cadmium_108           107.9041834000   # 0.00890000
cadmium_109           108.9049867000
cadmium_110           109.9030066100   # 0.12490000
cadmium_111           110.9041828700   # 0.12800000
cadmium_112           111.9027628700   # 0.24130000
cadmium_113           112.9044081300   # 0.12220000
cadmium_114           113.9033650900   # 0.28730000
cadmium_115           114.9054375100
cadmium_116           115.9047631500   # 0.07490000
cadmium_117           116.9072260000
cadmium_118           117.9069220000
cadmium_119           118.9098470000
cadmium_120           119.9098681000
cadmium_121           120.9129637000
cadmium_122           121.9134591000
cadmium_123           122.9168925000
cadmium_124           123.9176574000
cadmium_125           124.9212576000
cadmium_126           125.9224291000
cadmium_127           126.9264720000
cadmium_128           127.9278129000
cadmium_129           128.9318200000
cadmium_130           129.9339400000
cadmium_131           130.9406000000
cadmium_132           131.9460400000
cadmium_133           132.9528500000
cadmium           0.01250000 cadmium_106 \
                + 0.00890000 cadmium_108 \
                + 0.12490000 cadmium_110 \
                + 0.12800000 cadmium_111 \
                + 0.24130000 cadmium_112 \
                + 0.12220000 cadmium_113 \
                + 0.28730000 cadmium_114 \
                + 0.07490000 cadmium_116

# indium: In (49)  std atomic weight: 114.818(1)
indium_97              96.9493400000
indium_98              97.9421400000
indium_99              98.9341100000
indium_100             99.9309600000
indium_101            100.9263400000
indium_102            101.9241071000
indium_103            102.9198819000
indium_104            103.9182145000
indium_105            104.9145020000
indium_106            105.9134640000
indium_107            106.9102900000
indium_108            107.9096935000
indium_109            108.9071514000
indium_110            109.9071700000
indium_111            110.9051085000
indium_112            111.9055377000
indium_113            112.9040618400   # 0.04290000
indium_114            113.9049179100
indium_115            114.9038787760   # 0.95710000
indium_116            115.9052599900
indium_117            116.9045157000
indium_118            117.9063566000
indium_119            118.9058507000
indium_120            119.9079670000
indium_121            120.9078510000
indium_122            121.9102810000
indium_123            122.9104340000
indium_124            123.9131820000
indium_125            124.9136050000
indium_126            125.9165070000
indium_127            126.9174460000
indium_128            127.9204000000
indium_129            128.9218053000
indium_130            129.9249770000
indium_131            130.9269715000
indium_132            131.9330010000
indium_133            132.9383100000
indium_134            133.9445400000
indium_135            134.9500500000
indium            0.04290000 indium_113 \
                + 0.95710000 indium_115

# tin: Sn (50)  std atomic weight: 118.710(7)
tin_99                 98.9485300000
tin_100                99.9385000000
tin_101               100.9352600000
tin_102               101.9302900000
tin_103               102.9281050000
tin_104               103.9231052000
tin_105               104.9212684000
tin_106               105.9169574000
tin_107               106.9157137000
tin_108               107.9118943000
tin_109               108.9112921000
tin_110               109.9078450000
tin_111               110.9077401000
tin_112               111.9048238700   # 0.00970000
tin_113               112.9051757000
tin_114               113.9027827000   # 0.00660000
tin_115               114.9033446990   # 0.00340000
tin_116               115.9017428000   # 0.14540000
tin_117               116.9029539800   # 0.07680000
tin_118               117.9016065700   # 0.24220000
tin_119               118.9033111700   # 0.08590000
tin_120               119.9022016300   # 0.32580000
tin_121               120.9042426000
tin_122               121.9034438000   # 0.04630000
tin_123               122.9057252000
tin_124               123.9052766000   # 0.05790000
tin_125               124.9077864000
tin_126               125.9076590000
tin_127               126.9103900000
tin_128               127.9105070000
tin_129               128.9134650000
tin_130               129.9139738000
tin_131               130.9170450000
tin_132               131.9178267000
tin_133               132.9239134000
tin_134               133.9286821000
tin_135               134.9349086000
tin_136               135.9399900000
tin_137               136.9465500000
tin_138               137.9518400000
tin               0.00970000 tin_112 \
                + 0.00660000 tin_114 \
                + 0.00340000 tin_115 \
                + 0.14540000 tin_116 \
                + 0.07680000 tin_117 \
                + 0.24220000 tin_118 \
                + 0.08590000 tin_119 \
                + 0.32580000 tin_120 \
                + 0.04630000 tin_122 \
                + 0.05790000 tin_124

# antimony: Sb (51)  std atomic weight: 121.760(1)
antimony_103          102.9396900000
antimony_104          103.9364800000
antimony_105          104.9312760000
antimony_106          105.9286380000
antimony_107          106.9241506000
antimony_108          107.9222267000
antimony_109          108.9181411000
antimony_110          109.9168543000
antimony_111          110.9132182000
antimony_112          111.9124000000
antimony_113          112.9093750000
antimony_114          113.9092900000
antimony_115          114.9065980000
antimony_116          115.9067931000
antimony_117          116.9048415000
antimony_118          117.9055321000
antimony_119          118.9039455000
antimony_120          119.9050794000
antimony_121          120.9038120000   # 0.57210000
antimony_122          121.9051699000
antimony_123          122.9042132000   # 0.42790000
antimony_124          123.9059350000
antimony_125          124.9052530000
antimony_126          125.9072530000
antimony_127          126.9069243000
antimony_128          127.9091460000
antimony_129          128.9091470000
antimony_130          129.9116620000
antimony_131          130.9119888000
antimony_132          131.9145077000
antimony_133          132.9152732000
antimony_134          133.9205357000
antimony_135          134.9251851000
antimony_136          135.9307459000
antimony_137          136.9355500000
antimony_138          137.9414500000
antimony_139          138.9465500000
antimony_140          139.9528300000
antimony          0.57210000 antimony_121 \
                + 0.42790000 antimony_123

# tellurium: Te (52)  std atomic weight: 127.60(3)
tellurium_105         104.9433000000
tellurium_106         105.9375000000
tellurium_107         106.9350120000
tellurium_108         107.9293805000
tellurium_109         108.9273045000
tellurium_110         109.9224581000
tellurium_111         110.9210006000
tellurium_112         111.9167279000
tellurium_113         112.9158910000
tellurium_114         113.9120890000
tellurium_115         114.9119020000
tellurium_116         115.9084600000
tellurium_117         116.9086460000
tellurium_118         117.9058540000
tellurium_119         118.9064071000
tellurium_120         119.9040593000   # 0.00090000
tellurium_121         120.9049440000
tellurium_122         121.9030435000   # 0.02550000
tellurium_123         122.9042698000   # 0.00890000
tellurium_124         123.9028171000   # 0.04740000
tellurium_125         124.9044299000   # 0.07070000
tellurium_126         125.9033109000   # 0.18840000
tellurium_127         126.9052257000
tellurium_128         127.9044612800   # 0.31740000
tellurium_129         128.9065964600
tellurium_130         129.9062227480   # 0.34080000
tellurium_131         130.9085222130
tellurium_132         131.9085467000
tellurium_133         132.9109688000
tellurium_134         133.9113940000
tellurium_135         134.9165557000
tellurium_136         135.9201006000
tellurium_137         136.9255989000
tellurium_138         137.9294722000
tellurium_139         138.9353672000
tellurium_140         139.9394990000
tellurium_141         140.9458000000
tellurium_142         141.9502200000
tellurium_143         142.9567600000
tellurium         0.00090000 tellurium_120 \
                + 0.02550000 tellurium_122 \
                + 0.00890000 tellurium_123 \
                + 0.04740000 tellurium_124 \
                + 0.07070000 tellurium_125 \
                + 0.18840000 tellurium_126 \
                + 0.31740000 tellurium_128 \
                + 0.34080000 tellurium_130

# iodine: I (53)  std atomic weight: 126.90447(3)
iodine_107            106.9467800000
iodine_108            107.9434800000
iodine_109            108.9380853000
iodine_110            109.9350890000
iodine_111            110.9302692000
iodine_112            111.9280050000
iodine_113            112.9236501000
iodine_114            113.9218500000
iodine_115            114.9180480000
iodine_116            115.9168100000
iodine_117            116.9136480000
iodine_118            117.9130740000
iodine_119            118.9100740000
iodine_120            119.9100870000
iodine_121            120.9074051000
iodine_122            121.9075888000
iodine_123            122.9055885000
iodine_124            123.9062090000
iodine_125            124.9046294000
iodine_126            125.9056233000
iodine_127            126.9044719000   # 1.00000000
iodine_128            127.9058086000
iodine_129            128.9049837000
iodine_130            129.9066702000
iodine_131            130.9061263000
iodine_132            131.9079935000
iodine_133            132.9077970000
iodine_134            133.9097588000
iodine_135            134.9100488000
iodine_136            135.9146040000
iodine_137            136.9180282000
iodine_138            137.9227264000
iodine_139            138.9265060000
iodine_140            139.9317300000
iodine_141            140.9356900000
iodine_142            141.9412000000
iodine_143            142.9456500000
iodine_144            143.9513900000
iodine_145            144.9560500000
iodine                iodine_127

# xenon: Xe (54)  std atomic weight: 131.293(6)
xenon_109             108.9504300000
xenon_110             109.9442600000
xenon_111             110.9416070000
xenon_112             111.9355590000
xenon_113             112.9332217000
xenon_114             113.9279800000
xenon_115             114.9262940000
xenon_116             115.9215810000
xenon_117             116.9203590000
xenon_118             117.9161790000
xenon_119             118.9154110000
xenon_120             119.9117840000
xenon_121             120.9114530000
xenon_122             121.9083680000
xenon_123             122.9084820000
xenon_124             123.9058920000   # 0.00095200
xenon_125             124.9063944000
xenon_126             125.9042983000   # 0.00089000
xenon_127             126.9051829000
xenon_128             127.9035310000   # 0.01910200
xenon_129             128.9047808611   # 0.26400600
xenon_130             129.9035093490   # 0.04071000
xenon_131             130.9050840600   # 0.21232400
xenon_132             131.9041550856   # 0.26908600
xenon_133             132.9059108000
xenon_134             133.9053946600   # 0.10435700
xenon_135             134.9072278000
xenon_136             135.9072144840   # 0.08857300
xenon_137             136.9115577800
xenon_138             137.9141463000
xenon_139             138.9187922000
xenon_140             139.9216458000
xenon_141             140.9267872000
xenon_142             141.9299731000
xenon_143             142.9353696000
xenon_144             143.9389451000
xenon_145             144.9447200000
xenon_146             145.9485180000
xenon_147             146.9542600000
xenon_148             147.9581300000
xenon             0.00095200 xenon_124 \
                + 0.00089000 xenon_126 \
                + 0.01910200 xenon_128 \
                + 0.26400600 xenon_129 \
                + 0.04071000 xenon_130 \
                + 0.21232400 xenon_131 \
                + 0.26908600 xenon_132 \
                + 0.10435700 xenon_134 \
                + 0.08857300 xenon_136

# caesium: Cs (55)  std atomic weight: 132.90545196(6)
# IUPAC spelling
caesium_112           111.9503090000
caesium_113           112.9444291000
caesium_114           113.9412960000
caesium_115           114.9359100000
caesium_116           115.9333700000
caesium_117           116.9286170000
caesium_118           117.9265600000
caesium_119           118.9223770000
caesium_120           119.9206770000
caesium_121           120.9172270000
caesium_122           121.9161080000
caesium_123           122.9129960000
caesium_124           123.9122578000
caesium_125           124.9097280000
caesium_126           125.9094460000
caesium_127           126.9074174000
caesium_128           127.9077487000
caesium_129           128.9060657000
caesium_130           129.9067093000
caesium_131           130.9054649000
caesium_132           131.9064339000
caesium_133           132.9054519610   # 1.00000000
caesium_134           133.9067185030
caesium_135           134.9059770000
caesium_136           135.9073114000
caesium_137           136.9070892300
caesium_138           137.9110171000
caesium_139           138.9133638000
caesium_140           139.9172831000
caesium_141           140.9200455000
caesium_142           141.9242960000
caesium_143           142.9273490000
caesium_144           143.9320760000
caesium_145           144.9355270000
caesium_146           145.9403440000
caesium_147           146.9441560000
caesium_148           147.9492300000
caesium_149           148.9530200000
caesium_150           149.9583300000
caesium_151           150.9625800000
caesium               caesium_133
# American spelling
cesium_112            111.9503090000
cesium_113            112.9444291000
cesium_114            113.9412960000
cesium_115            114.9359100000
cesium_116            115.9333700000
cesium_117            116.9286170000
cesium_118            117.9265600000
cesium_119            118.9223770000
cesium_120            119.9206770000
cesium_121            120.9172270000
cesium_122            121.9161080000
cesium_123            122.9129960000
cesium_124            123.9122578000
cesium_125            124.9097280000
cesium_126            125.9094460000
cesium_127            126.9074174000
cesium_128            127.9077487000
cesium_129            128.9060657000
cesium_130            129.9067093000
cesium_131            130.9054649000
cesium_132            131.9064339000
cesium_133            132.9054519610   # 1.00000000
cesium_134            133.9067185030
cesium_135            134.9059770000
cesium_136            135.9073114000
cesium_137            136.9070892300
cesium_138            137.9110171000
cesium_139            138.9133638000
cesium_140            139.9172831000
cesium_141            140.9200455000
cesium_142            141.9242960000
cesium_143            142.9273490000
cesium_144            143.9320760000
cesium_145            144.9355270000
cesium_146            145.9403440000
cesium_147            146.9441560000
cesium_148            147.9492300000
cesium_149            148.9530200000
cesium_150            149.9583300000
cesium_151            150.9625800000
cesium                cesium_133

# barium: Ba (56)  std atomic weight: 137.327(7)
barium_114            113.9506600000
barium_115            114.9473700000
barium_116            115.9412800000
barium_117            116.9381400000
barium_118            117.9330600000
barium_119            118.9306600000
barium_120            119.9260500000
barium_121            120.9240500000
barium_122            121.9199040000
barium_123            122.9187810000
barium_124            123.9150940000
barium_125            124.9144720000
barium_126            125.9112500000
barium_127            126.9110910000
barium_128            127.9083420000
barium_129            128.9086810000
barium_130            129.9063207000   # 0.00106000
barium_131            130.9069410000
barium_132            131.9050611000   # 0.00101000
barium_133            132.9060074000
barium_134            133.9045081800   # 0.02417000
barium_135            134.9056883800   # 0.06592000
barium_136            135.9045757300   # 0.07854000
barium_137            136.9058271400   # 0.11232000
barium_138            137.9052470000   # 0.71698000
barium_139            138.9088411000
barium_140            139.9106057000
barium_141            140.9144033000
barium_142            141.9164324000
barium_143            142.9206253000
barium_144            143.9229549000
barium_145            144.9275184000
barium_146            145.9302840000
barium_147            146.9353040000
barium_148            147.9381710000
barium_149            148.9430800000
barium_150            149.9460500000
barium_151            150.9512700000
barium_152            151.9548100000
barium_153            152.9603600000
barium            0.00106000 barium_130 \
                + 0.00101000 barium_132 \
                + 0.02417000 barium_134 \
                + 0.06592000 barium_135 \
                + 0.07854000 barium_136 \
                + 0.11232000 barium_137 \
                + 0.71698000 barium_138

# lanthanum: La (57)  std atomic weight: 138.90547(7)
lanthanum_116         115.9563000000
lanthanum_117         116.9499900000
lanthanum_118         117.9467300000
lanthanum_119         118.9409900000
lanthanum_120         119.9380700000
lanthanum_121         120.9331500000
lanthanum_122         121.9307100000
lanthanum_123         122.9263000000
lanthanum_124         123.9245740000
lanthanum_125         124.9208160000
lanthanum_126         125.9195130000
lanthanum_127         126.9163750000
lanthanum_128         127.9155920000
lanthanum_129         128.9126940000
lanthanum_130         129.9123690000
lanthanum_131         130.9100700000
lanthanum_132         131.9101190000
lanthanum_133         132.9082180000
lanthanum_134         133.9085140000
lanthanum_135         134.9069840000
lanthanum_136         135.9076350000
lanthanum_137         136.9064504000
lanthanum_138         137.9071149000   # 0.00088810
lanthanum_139         138.9063563000   # 0.99911190
lanthanum_140         139.9094806000
lanthanum_141         140.9109660000
lanthanum_142         141.9140909000
lanthanum_143         142.9160795000
lanthanum_144         143.9196460000
lanthanum_145         144.9218080000
lanthanum_146         145.9258750000
lanthanum_147         146.9284180000
lanthanum_148         147.9326790000
lanthanum_149         148.9353500000
lanthanum_150         149.9394700000
lanthanum_151         150.9423200000
lanthanum_152         151.9468200000
lanthanum_153         152.9503600000
lanthanum_154         153.9551700000
lanthanum_155         154.9590100000
lanthanum         0.00088810 lanthanum_138 \
                + 0.99911190 lanthanum_139

# cerium: Ce (58)  std atomic weight: 140.116(1)
cerium_119            118.9527100000
cerium_120            119.9465400000
cerium_121            120.9433500000
cerium_122            121.9378700000
cerium_123            122.9352800000
cerium_124            123.9303100000
cerium_125            124.9284400000
cerium_126            125.9239710000
cerium_127            126.9227270000
cerium_128            127.9189110000
cerium_129            128.9181020000
cerium_130            129.9147360000
cerium_131            130.9144290000
cerium_132            131.9114640000
cerium_133            132.9115200000
cerium_134            133.9089280000
cerium_135            134.9091610000
cerium_136            135.9071292100   # 0.00185000
cerium_137            136.9077623600
cerium_138            137.9059910000   # 0.00251000
cerium_139            138.9066551000
cerium_140            139.9054431000   # 0.88450000
cerium_141            140.9082807000
cerium_142            141.9092504000   # 0.11114000
cerium_143            142.9123921000
cerium_144            143.9136529000
cerium_145            144.9172650000
cerium_146            145.9188020000
cerium_147            146.9226899000
cerium_148            147.9244240000
cerium_149            148.9284270000
cerium_150            149.9303840000
cerium_151            150.9342720000
cerium_152            151.9366000000
cerium_153            152.9409300000
cerium_154            153.9438000000
cerium_155            154.9485500000
cerium_156            155.9518300000
cerium_157            156.9570500000
cerium            0.00185000 cerium_136 \
                + 0.00251000 cerium_138 \
                + 0.88450000 cerium_140 \
                + 0.11114000 cerium_142

# praseodymium: Pr (59)  std atomic weight: 140.90766(2)
praseodymium_121      120.9553200000
praseodymium_122      121.9517500000
praseodymium_123      122.9459600000
praseodymium_124      123.9429400000
praseodymium_125      124.9377000000
praseodymium_126      125.9352400000
praseodymium_127      126.9307100000
praseodymium_128      127.9287910000
praseodymium_129      128.9250950000
praseodymium_130      129.9235900000
praseodymium_131      130.9202350000
praseodymium_132      131.9192550000
praseodymium_133      132.9163310000
praseodymium_134      133.9156970000
praseodymium_135      134.9131120000
praseodymium_136      135.9126770000
praseodymium_137      136.9106792000
praseodymium_138      137.9107540000
praseodymium_139      138.9089408000
praseodymium_140      139.9090803000
praseodymium_141      140.9076576000   # 1.00000000
praseodymium_142      141.9100496000
praseodymium_143      142.9108228000
praseodymium_144      143.9133109000
praseodymium_145      144.9145182000
praseodymium_146      145.9176800000
praseodymium_147      146.9190080000
praseodymium_148      147.9221300000
praseodymium_149      148.9237360000
praseodymium_150      149.9266765000
praseodymium_151      150.9283090000
praseodymium_152      151.9315530000
praseodymium_153      152.9339040000
praseodymium_154      153.9375300000
praseodymium_155      154.9405090000
praseodymium_156      155.9446400000
praseodymium_157      156.9478900000
praseodymium_158      157.9524100000
praseodymium_159      158.9558900000
praseodymium          praseodymium_141

# neodymium: Nd (60)  std atomic weight: 144.242(3)
neodymium_124         123.9522000000
neodymium_125         124.9489000000
neodymium_126         125.9431100000
neodymium_127         126.9403800000
neodymium_128         127.9352500000
neodymium_129         128.9331000000
neodymium_130         129.9285060000
neodymium_131         130.9272480000
neodymium_132         131.9233210000
neodymium_133         132.9223480000
neodymium_134         133.9187900000
neodymium_135         134.9181810000
neodymium_136         135.9149760000
neodymium_137         136.9145620000
neodymium_138         137.9119500000
neodymium_139         138.9119540000
neodymium_140         139.9095500000
neodymium_141         140.9096147000
neodymium_142         141.9077290000   # 0.27152000
neodymium_143         142.9098200000   # 0.12174000
neodymium_144         143.9100930000   # 0.23798000
neodymium_145         144.9125793000   # 0.08293000
neodymium_146         145.9131226000   # 0.17189000
neodymium_147         146.9161061000
neodymium_148         147.9168993000   # 0.05756000
neodymium_149         148.9201548000
neodymium_150         149.9209022000   # 0.05638000
neodymium_151         150.9238403000
neodymium_152         151.9246920000
neodymium_153         152.9277180000
neodymium_154         153.9294800000
neodymium_155         154.9331357000
neodymium_156         155.9350800000
neodymium_157         156.9393860000
neodymium_158         157.9419700000
neodymium_159         158.9465300000
neodymium_160         159.9494000000
neodymium_161         160.9542800000
neodymium         0.27152000 neodymium_142 \
                + 0.12174000 neodymium_143 \
                + 0.23798000 neodymium_144 \
                + 0.08293000 neodymium_145 \
                + 0.17189000 neodymium_146 \
                + 0.05756000 neodymium_148 \
                + 0.05638000 neodymium_150

# promethium: Pm (61)  std atomic weight: [145]
promethium_126        125.9579200000
promethium_127        126.9519200000
promethium_128        127.9487000000
promethium_129        128.9432300000
promethium_130        129.9405300000
promethium_131        130.9356700000
promethium_132        131.9338400000
promethium_133        132.9297820000
promethium_134        133.9283530000
promethium_135        134.9248230000
promethium_136        135.9235850000
promethium_137        136.9204800000
promethium_138        137.9195480000
promethium_139        138.9168000000
promethium_140        139.9160400000
promethium_141        140.9135550000
promethium_142        141.9128900000
promethium_143        142.9109383000
promethium_144        143.9125964000
promethium_145        144.9127559000
promethium_146        145.9147024000
promethium_147        146.9151450000
promethium_148        147.9174819000
promethium_149        148.9183423000
promethium_150        149.9209910000
promethium_151        150.9212175000
promethium_152        151.9235060000
promethium_153        152.9241567000
promethium_154        153.9264720000
promethium_155        154.9281370000
promethium_156        155.9311175000
promethium_157        156.9331214000
promethium_158        157.9365650000
promethium_159        158.9392870000
promethium_160        159.9431000000
promethium_161        160.9460700000
promethium_162        161.9502200000
promethium_163        162.9535700000
promethium            promethium_145   # most stable

# samarium: Sm (62)  std atomic weight: 150.36(2)
samarium_128          127.9584200000
samarium_129          128.9547600000
samarium_130          129.9490000000
samarium_131          130.9461800000
samarium_132          131.9408700000
samarium_133          132.9385600000
samarium_134          133.9341100000
samarium_135          134.9325200000
samarium_136          135.9282760000
samarium_137          136.9269710000
samarium_138          137.9232440000
samarium_139          138.9222970000
samarium_140          139.9189950000
samarium_141          140.9184816000
samarium_142          141.9152044000
samarium_143          142.9146353000
samarium_144          143.9120065000   # 0.03070000
samarium_145          144.9134173000
samarium_146          145.9130470000
samarium_147          146.9149044000   # 0.14990000
samarium_148          147.9148292000   # 0.11240000
samarium_149          148.9171921000   # 0.13820000
samarium_150          149.9172829000   # 0.07380000
samarium_151          150.9199398000
samarium_152          151.9197397000   # 0.26750000
samarium_153          152.9221047000
samarium_154          153.9222169000   # 0.22750000
samarium_155          154.9246477000
samarium_156          155.9255360000
samarium_157          156.9284187000
samarium_158          157.9299510000
samarium_159          158.9332172000
samarium_160          159.9353353000
samarium_161          160.9391602000
samarium_162          161.9414600000
samarium_163          162.9455500000
samarium_164          163.9483600000
samarium_165          164.9529700000
samarium          0.03070000 samarium_144 \
                + 0.14990000 samarium_147 \
                + 0.11240000 samarium_148 \
                + 0.13820000 samarium_149 \
                + 0.07380000 samarium_150 \
                + 0.26750000 samarium_152 \
                + 0.22750000 samarium_154

# europium: Eu (63)  std atomic weight: 151.964(1)
europium_130          129.9636900000
europium_131          130.9578400000
europium_132          131.9546700000
europium_133          132.9492900000
europium_134          133.9464000000
europium_135          134.9418700000
europium_136          135.9396200000
europium_137          136.9354600000
europium_138          137.9337090000
europium_139          138.9297920000
europium_140          139.9280880000
europium_141          140.9249320000
europium_142          141.9234420000
europium_143          142.9202990000
europium_144          143.9188200000
europium_145          144.9162726000
europium_146          145.9172110000
europium_147          146.9167527000
europium_148          147.9180890000
europium_149          148.9179378000
europium_150          149.9197077000
europium_151          150.9198578000   # 0.47810000
europium_152          151.9217522000
europium_153          152.9212380000   # 0.52190000
europium_154          153.9229870000
europium_155          154.9229011000
europium_156          155.9247605000
europium_157          156.9254334000
europium_158          157.9277990000
europium_159          158.9291001000
europium_160          159.9318510000
europium_161          160.9336640000
europium_162          161.9369890000
europium_163          162.9391960000
europium_164          163.9427400000
europium_165          164.9455900000
europium_166          165.9496200000
europium_167          166.9528900000
europium          0.47810000 europium_151 \
                + 0.52190000 europium_153

# gadolinium: Gd (64)  std atomic weight: 157.25(3)
gadolinium_133        132.9613300000
gadolinium_134        133.9556600000
gadolinium_135        134.9524500000
gadolinium_136        135.9473000000
gadolinium_137        136.9450200000
gadolinium_138        137.9402500000
gadolinium_139        138.9381300000
gadolinium_140        139.9336740000
gadolinium_141        140.9321260000
gadolinium_142        141.9281160000
gadolinium_143        142.9267500000
gadolinium_144        143.9229630000
gadolinium_145        144.9217130000
gadolinium_146        145.9183188000
gadolinium_147        146.9191014000
gadolinium_148        147.9181215000
gadolinium_149        148.9193481000
gadolinium_150        149.9186644000
gadolinium_151        150.9203560000
gadolinium_152        151.9197995000   # 0.00200000
gadolinium_153        152.9217580000
gadolinium_154        153.9208741000   # 0.02180000
gadolinium_155        154.9226305000   # 0.14800000
gadolinium_156        155.9221312000   # 0.20470000
gadolinium_157        156.9239686000   # 0.15650000
gadolinium_158        157.9241123000   # 0.24840000
gadolinium_159        158.9263970000
gadolinium_160        159.9270624000   # 0.21860000
gadolinium_161        160.9296775000
gadolinium_162        161.9309930000
gadolinium_163        162.9341769000
gadolinium_164        163.9358300000
gadolinium_165        164.9393600000
gadolinium_166        165.9414600000
gadolinium_167        166.9454500000
gadolinium_168        167.9480800000
gadolinium_169        168.9526000000
gadolinium        0.00200000 gadolinium_152 \
                + 0.02180000 gadolinium_154 \
                + 0.14800000 gadolinium_155 \
                + 0.20470000 gadolinium_156 \
                + 0.15650000 gadolinium_157 \
                + 0.24840000 gadolinium_158 \
                + 0.21860000 gadolinium_160

# terbium: Tb (65)  std atomic weight: 158.92535(2)
terbium_135           134.9647600000
terbium_136           135.9612900000
terbium_137           136.9560200000
terbium_138           137.9531200000
terbium_139           138.9483300000
terbium_140           139.9458100000
terbium_141           140.9414500000
terbium_142           141.9392800000
terbium_143           142.9351370000
terbium_144           143.9330450000
terbium_145           144.9288200000
terbium_146           145.9272530000
terbium_147           146.9240548000
terbium_148           147.9242820000
terbium_149           148.9232535000
terbium_150           149.9236649000
terbium_151           150.9231096000
terbium_152           151.9240830000
terbium_153           152.9234424000
terbium_154           153.9246850000
terbium_155           154.9235110000
terbium_156           155.9247552000
terbium_157           156.9240330000
terbium_158           157.9254209000
terbium_159           158.9253547000   # 1.00000000
terbium_160           159.9271756000
terbium_161           160.9275778000
terbium_162           161.9294950000
terbium_163           162.9306547000
terbium_164           163.9333600000
terbium_165           164.9349800000
terbium_166           165.9378600000
terbium_167           166.9399600000
terbium_168           167.9434000000
terbium_169           168.9459700000
terbium_170           169.9498400000
terbium_171           170.9527300000
terbium               terbium_159

# dysprosium: Dy (66)  std atomic weight: 162.500(1)
dysprosium_138        137.9625000000
dysprosium_139        138.9595900000
dysprosium_140        139.9540200000
dysprosium_141        140.9512800000
dysprosium_142        141.9461900000
dysprosium_143        142.9439940000
dysprosium_144        143.9392695000
dysprosium_145        144.9374740000
dysprosium_146        145.9328445000
dysprosium_147        146.9310827000
dysprosium_148        147.9271570000
dysprosium_149        148.9273220000
dysprosium_150        149.9255933000
dysprosium_151        150.9261916000
dysprosium_152        151.9247253000
dysprosium_153        152.9257724000
dysprosium_154        153.9244293000
dysprosium_155        154.9257590000
dysprosium_156        155.9242847000   # 0.00056000
dysprosium_157        156.9254707000
dysprosium_158        157.9244159000   # 0.00095000
dysprosium_159        158.9257470000
dysprosium_160        159.9252046000   # 0.02329000
dysprosium_161        160.9269405000   # 0.18889000
dysprosium_162        161.9268056000   # 0.25475000
dysprosium_163        162.9287383000   # 0.24896000
dysprosium_164        163.9291819000   # 0.28260000
dysprosium_165        164.9317105000
dysprosium_166        165.9328139000
dysprosium_167        166.9356610000
dysprosium_168        167.9371300000
dysprosium_169        168.9403100000
dysprosium_170        169.9423900000
dysprosium_171        170.9461200000
dysprosium_172        171.9484600000
dysprosium_173        172.9528300000
dysprosium        0.00056000 dysprosium_156 \
                + 0.00095000 dysprosium_158 \
                + 0.02329000 dysprosium_160 \
                + 0.18889000 dysprosium_161 \
                + 0.25475000 dysprosium_162 \
                + 0.24896000 dysprosium_163 \
                + 0.28260000 dysprosium_164

# holmium: Ho (67)  std atomic weight: 164.93033(2)
holmium_140           139.9685900000
holmium_141           140.9631100000
holmium_142           141.9600100000
holmium_143           142.9548600000
holmium_144           143.9521097000
holmium_145           144.9472674000
holmium_146           145.9449935000
holmium_147           146.9401423000
holmium_148           147.9377440000
holmium_149           148.9338030000
holmium_150           149.9334980000
holmium_151           150.9316983000
holmium_152           151.9317240000
holmium_153           152.9302064000
holmium_154           153.9306068000
holmium_155           154.9291040000
holmium_156           155.9297060000
holmium_157           156.9282540000
holmium_158           157.9289460000
holmium_159           158.9277197000
holmium_160           159.9287370000
holmium_161           160.9278615000
holmium_162           161.9291023000
holmium_163           162.9287410000
holmium_164           163.9302403000
holmium_165           164.9303288000   # 1.00000000
holmium_166           165.9322909000
holmium_167           166.9331385000
holmium_168           167.9355220000
holmium_169           168.9368780000
holmium_170           169.9396250000
holmium_171           170.9414700000
holmium_172           171.9447300000
holmium_173           172.9470200000
holmium_174           173.9509500000
holmium_175           174.9536200000
holmium               holmium_165

# erbium: Er (68)  std atomic weight: 167.259(3)
erbium_142            141.9701000000
erbium_143            142.9666200000
erbium_144            143.9607000000
erbium_145            144.9580500000
erbium_146            145.9524184000
erbium_147            146.9499640000
erbium_148            147.9447350000
erbium_149            148.9423060000
erbium_150            149.9379160000
erbium_151            150.9374490000
erbium_152            151.9350570000
erbium_153            152.9350800000
erbium_154            153.9327908000
erbium_155            154.9332159000
erbium_156            155.9310670000
erbium_157            156.9319490000
erbium_158            157.9298930000
erbium_159            158.9306918000
erbium_160            159.9290770000
erbium_161            160.9300046000
erbium_162            161.9287884000   # 0.00139000
erbium_163            162.9300408000
erbium_164            163.9292088000   # 0.01601000
erbium_165            164.9307345000
erbium_166            165.9302995000   # 0.33503000
erbium_167            166.9320546000   # 0.22869000
erbium_168            167.9323767000   # 0.26978000
erbium_169            168.9345968000
erbium_170            169.9354702000   # 0.14910000
erbium_171            170.9380357000
erbium_172            171.9393619000
erbium_173            172.9424000000
erbium_174            173.9442300000
erbium_175            174.9477700000
erbium_176            175.9499400000
erbium_177            176.9539900000
erbium            0.00139000 erbium_162 \
                + 0.01601000 erbium_164 \
                + 0.33503000 erbium_166 \
                + 0.22869000 erbium_167 \
                + 0.26978000 erbium_168 \
                + 0.14910000 erbium_170

# thulium: Tm (69)  std atomic weight: 168.93422(2)
thulium_144           143.9762800000
thulium_145           144.9703900000
thulium_146           145.9668400000
thulium_147           146.9613799000
thulium_148           147.9583840000
thulium_149           148.9528900000
thulium_150           149.9500900000
thulium_151           150.9454880000
thulium_152           151.9444220000
thulium_153           152.9420400000
thulium_154           153.9415700000
thulium_155           154.9392100000
thulium_156           155.9389920000
thulium_157           156.9369440000
thulium_158           157.9369800000
thulium_159           158.9349750000
thulium_160           159.9352630000
thulium_161           160.9335490000
thulium_162           161.9340020000
thulium_163           162.9326592000
thulium_164           163.9335440000
thulium_165           164.9324431000
thulium_166           165.9335610000
thulium_167           166.9328562000
thulium_168           167.9341774000
thulium_169           168.9342179000   # 1.00000000
thulium_170           169.9358060000
thulium_171           170.9364339000
thulium_172           171.9384055000
thulium_173           172.9396084000
thulium_174           173.9421730000
thulium_175           174.9438410000
thulium_176           175.9470000000
thulium_177           176.9490400000
thulium_178           177.9526400000
thulium_179           178.9553400000
thulium               thulium_169

# ytterbium: Yb (70)  std atomic weight: 173.054(5)
ytterbium_148         147.9675800000
ytterbium_149         148.9643600000
ytterbium_150         149.9585200000
ytterbium_151         150.9554000000
ytterbium_152         151.9502700000
ytterbium_153         152.9493200000
ytterbium_154         153.9463960000
ytterbium_155         154.9457830000
ytterbium_156         155.9428250000
ytterbium_157         156.9426450000
ytterbium_158         157.9398705000
ytterbium_159         158.9400550000
ytterbium_160         159.9375570000
ytterbium_161         160.9379070000
ytterbium_162         161.9357740000
ytterbium_163         162.9363400000
ytterbium_164         163.9344950000
ytterbium_165         164.9352700000
ytterbium_166         165.9338747000
ytterbium_167         166.9349530000
ytterbium_168         167.9338896000   # 0.00123000
ytterbium_169         168.9351825000
ytterbium_170         169.9347664000   # 0.02982000
ytterbium_171         170.9363302000   # 0.14090000
ytterbium_172         171.9363859000   # 0.21680000
ytterbium_173         172.9382151000   # 0.16103000
ytterbium_174         173.9388664000   # 0.32026000
ytterbium_175         174.9412808000
ytterbium_176         175.9425764000   # 0.12996000
ytterbium_177         176.9452656000
ytterbium_178         177.9466510000
ytterbium_179         178.9500400000
ytterbium_180         179.9521200000
ytterbium_181         180.9558900000
ytterbium         0.00123000 ytterbium_168 \
                + 0.02982000 ytterbium_170 \
                + 0.14090000 ytterbium_171 \
                + 0.21680000 ytterbium_172 \
                + 0.16103000 ytterbium_173 \
                + 0.32026000 ytterbium_174 \
                + 0.12996000 ytterbium_176

# lutetium: Lu (71)  std atomic weight: 174.9668(1)
lutetium_150          149.9735500000
lutetium_151          150.9676800000
lutetium_152          151.9641200000
lutetium_153          152.9587500000
lutetium_154          153.9573600000
lutetium_155          154.9543210000
lutetium_156          155.9530330000
lutetium_157          156.9501270000
lutetium_158          157.9493160000
lutetium_159          158.9466360000
lutetium_160          159.9460330000
lutetium_161          160.9435720000
lutetium_162          161.9432830000
lutetium_163          162.9411790000
lutetium_164          163.9413390000
lutetium_165          164.9394070000
lutetium_166          165.9398590000
lutetium_167          166.9382700000
lutetium_168          167.9387360000
lutetium_169          168.9376441000
lutetium_170          169.9384780000
lutetium_171          170.9379170000
lutetium_172          171.9390891000
lutetium_173          172.9389340000
lutetium_174          173.9403409000
lutetium_175          174.9407752000   # 0.97401000
lutetium_176          175.9426897000   # 0.02599000
lutetium_177          176.9437615000
lutetium_178          177.9459580000
lutetium_179          178.9473309000
lutetium_180          179.9498880000
lutetium_181          180.9519100000
lutetium_182          181.9550400000
lutetium_183          182.9573630000
lutetium_184          183.9609100000
lutetium_185          184.9636200000
lutetium          0.97401000 lutetium_175 \
                + 0.02599000 lutetium_176

# hafnium: Hf (72)  std atomic weight: 178.49(2)
hafnium_153           152.9706900000
hafnium_154           153.9648600000
hafnium_155           154.9631100000
hafnium_156           155.9593500000
hafnium_157           156.9582400000
hafnium_158           157.9548010000
hafnium_159           158.9539960000
hafnium_160           159.9506910000
hafnium_161           160.9502780000
hafnium_162           161.9472148000
hafnium_163           162.9471130000
hafnium_164           163.9443710000
hafnium_165           164.9445670000
hafnium_166           165.9421800000
hafnium_167           166.9426000000
hafnium_168           167.9405680000
hafnium_169           168.9412590000
hafnium_170           169.9396090000
hafnium_171           170.9404920000
hafnium_172           171.9394500000
hafnium_173           172.9405130000
hafnium_174           173.9400461000   # 0.00160000
hafnium_175           174.9415092000
hafnium_176           175.9414076000   # 0.05260000
hafnium_177           176.9432277000   # 0.18600000
hafnium_178           177.9437058000   # 0.27280000
hafnium_179           178.9458232000   # 0.13620000
hafnium_180           179.9465570000   # 0.35080000
hafnium_181           180.9491083000
hafnium_182           181.9505612000
hafnium_183           182.9535300000
hafnium_184           183.9554460000
hafnium_185           184.9588620000
hafnium_186           185.9608970000
hafnium_187           186.9647700000
hafnium_188           187.9668500000
hafnium_189           188.9708400000
hafnium           0.00160000 hafnium_174 \
                + 0.05260000 hafnium_176 \
                + 0.18600000 hafnium_177 \
                + 0.27280000 hafnium_178 \
                + 0.13620000 hafnium_179 \
                + 0.35080000 hafnium_180

# tantalum: Ta (73)  std atomic weight: 180.94788(2)
tantalum_155          154.9742400000
tantalum_156          155.9720300000
tantalum_157          156.9681800000
tantalum_158          157.9665400000
tantalum_159          158.9630230000
tantalum_160          159.9614880000
tantalum_161          160.9584520000
tantalum_162          161.9572940000
tantalum_163          162.9543370000
tantalum_164          163.9535340000
tantalum_165          164.9507810000
tantalum_166          165.9505120000
tantalum_167          166.9480930000
tantalum_168          167.9480470000
tantalum_169          168.9460110000
tantalum_170          169.9461750000
tantalum_171          170.9444760000
tantalum_172          171.9448950000
tantalum_173          172.9437500000
tantalum_174          173.9444540000
tantalum_175          174.9437370000
tantalum_176          175.9448570000
tantalum_177          176.9444795000
tantalum_178          177.9456780000
tantalum_179          178.9459366000
tantalum_180          179.9474648000   # 0.00012010
tantalum_181          180.9479958000   # 0.99987990
tantalum_182          181.9501519000
tantalum_183          182.9513726000
tantalum_184          183.9540080000
tantalum_185          184.9555590000
tantalum_186          185.9585510000
tantalum_187          186.9603860000
tantalum_188          187.9639160000
tantalum_189          188.9658300000
tantalum_190          189.9693900000
tantalum_191          190.9715600000
tantalum_192          191.9751400000
tantalum          0.00012010 tantalum_180 \
                + 0.99987990 tantalum_181

# tungsten: W (74)  std atomic weight: 183.84(1)
tungsten_157          156.9788400000
tungsten_158          157.9745600000
tungsten_159          158.9726400000
tungsten_160          159.9684600000
tungsten_161          160.9672000000
tungsten_162          161.9634990000
tungsten_163          162.9625240000
tungsten_164          163.9589610000
tungsten_165          164.9582810000
tungsten_166          165.9550310000
tungsten_167          166.9548050000
tungsten_168          167.9518060000
tungsten_169          168.9517790000
tungsten_170          169.9492320000
tungsten_171          170.9494510000
tungsten_172          171.9472920000
tungsten_173          172.9476890000
tungsten_174          173.9460790000
tungsten_175          174.9467170000
tungsten_176          175.9456340000
tungsten_177          176.9466430000
tungsten_178          177.9458830000
tungsten_179          178.9470770000
tungsten_180          179.9467108000   # 0.00120000
tungsten_181          180.9481978000
tungsten_182          181.9482039400   # 0.26500000
tungsten_183          182.9502227500   # 0.14310000
tungsten_184          183.9509309200   # 0.30640000
tungsten_185          184.9534189700
tungsten_186          185.9543628000   # 0.28430000
tungsten_187          186.9571588000
tungsten_188          187.9584862000
tungsten_189          188.9617630000
tungsten_190          189.9630910000
tungsten_191          190.9665310000
tungsten_192          191.9681700000
tungsten_193          192.9717800000
tungsten_194          193.9736700000
tungsten          0.00120000 tungsten_180 \
                + 0.26500000 tungsten_182 \
                + 0.14310000 tungsten_183 \
                + 0.30640000 tungsten_184 \
                + 0.28430000 tungsten_186

# rhenium: Re (75)  std atomic weight: 186.207(1)
rhenium_159           158.9841800000
rhenium_160           159.9818200000
rhenium_161           160.9775700000
rhenium_162           161.9758400000
rhenium_163           162.9720800000
rhenium_164           163.9704530000
rhenium_165           164.9671030000
rhenium_166           165.9657610000
rhenium_167           166.9625950000
rhenium_168           167.9615730000
rhenium_169           168.9587660000
rhenium_170           169.9582200000
rhenium_171           170.9557160000
rhenium_172           171.9554200000
rhenium_173           172.9532430000
rhenium_174           173.9531150000
rhenium_175           174.9513810000
rhenium_176           175.9516230000
rhenium_177           176.9503280000
rhenium_178           177.9509890000
rhenium_179           178.9499890000
rhenium_180           179.9507920000
rhenium_181           180.9500580000
rhenium_182           181.9512100000
rhenium_183           182.9508196000
rhenium_184           183.9525228000
rhenium_185           184.9529545000   # 0.37400000
rhenium_186           185.9549856000
rhenium_187           186.9557501000   # 0.62600000
rhenium_188           187.9581115000
rhenium_189           188.9592260000
rhenium_190           189.9617440000
rhenium_191           190.9631220000
rhenium_192           191.9660880000
rhenium_193           192.9675410000
rhenium_194           193.9707600000
rhenium_195           194.9725400000
rhenium_196           195.9758000000
rhenium_197           196.9779900000
rhenium_198           197.9816000000
rhenium           0.37400000 rhenium_185 \
                + 0.62600000 rhenium_187

# osmium: Os (76)  std atomic weight: 190.23(3)
osmium_161            160.9890300000
osmium_162            161.9844300000
osmium_163            162.9824100000
osmium_164            163.9780200000
osmium_165            164.9766000000
osmium_166            165.9726920000
osmium_167            166.9715490000
osmium_168            167.9678080000
osmium_169            168.9670180000
osmium_170            169.9635780000
osmium_171            170.9631740000
osmium_172            171.9600170000
osmium_173            172.9598080000
osmium_174            173.9570640000
osmium_175            174.9569450000
osmium_176            175.9548060000
osmium_177            176.9549660000
osmium_178            177.9532540000
osmium_179            178.9538170000
osmium_180            179.9523750000
osmium_181            180.9532470000
osmium_182            181.9521100000
osmium_183            182.9531250000
osmium_184            183.9524885000   # 0.00020000
osmium_185            184.9540417000
osmium_186            185.9538350000   # 0.01590000
osmium_187            186.9557474000   # 0.01960000
osmium_188            187.9558352000   # 0.13240000
osmium_189            188.9581442000   # 0.16150000
osmium_190            189.9584437000   # 0.26260000
osmium_191            190.9609264000
osmium_192            191.9614770000   # 0.40780000
osmium_193            192.9641479000
osmium_194            193.9651772000
osmium_195            194.9683180000
osmium_196            195.9696410000
osmium_197            196.9728300000
osmium_198            197.9744100000
osmium_199            198.9780100000
osmium_200            199.9798400000
osmium_201            200.9836400000
osmium_202            201.9859500000
osmium            0.00020000 osmium_184 \
                + 0.01590000 osmium_186 \
                + 0.01960000 osmium_187 \
                + 0.13240000 osmium_188 \
                + 0.16150000 osmium_189 \
                + 0.26260000 osmium_190 \
                + 0.40780000 osmium_192

# iridium: Ir (77)  std atomic weight: 192.217(3)
iridium_164           163.9919100000
iridium_165           164.9875000000
iridium_166           165.9856600000
iridium_167           166.9816660000
iridium_168           167.9799070000
iridium_169           168.9762980000
iridium_170           169.9749220000
iridium_171           170.9716400000
iridium_172           171.9706070000
iridium_173           172.9675060000
iridium_174           173.9668610000
iridium_175           174.9641500000
iridium_176           175.9636500000
iridium_177           176.9613010000
iridium_178           177.9610820000
iridium_179           178.9591200000
iridium_180           179.9592290000
iridium_181           180.9576250000
iridium_182           181.9580760000
iridium_183           182.9568400000
iridium_184           183.9574760000
iridium_185           184.9566980000
iridium_186           185.9579440000
iridium_187           186.9575420000
iridium_188           187.9588280000
iridium_189           188.9587150000
iridium_190           189.9605412000
iridium_191           190.9605893000   # 0.37300000
iridium_192           191.9626002000
iridium_193           192.9629216000   # 0.62700000
iridium_194           193.9650735000
iridium_195           194.9659747000
iridium_196           195.9683970000
iridium_197           196.9696550000
iridium_198           197.9722800000
iridium_199           198.9738050000
iridium_200           199.9768000000
iridium_201           200.9786400000
iridium_202           201.9819900000
iridium_203           202.9842300000
iridium_204           203.9896000000
iridium           0.37300000 iridium_191 \
                + 0.62700000 iridium_193

# platinum: Pt (78)  std atomic weight: 195.084(9)
platinum_166          165.9948600000
platinum_167          166.9926900000
platinum_168          167.9881300000
platinum_169          168.9865700000
platinum_170          169.9824960000
platinum_171          170.9812450000
platinum_172          171.9773510000
platinum_173          172.9764430000
platinum_174          173.9728200000
platinum_175          174.9724100000
platinum_176          175.9689380000
platinum_177          176.9684700000
platinum_178          177.9656500000
platinum_179          178.9653590000
platinum_180          179.9630320000
platinum_181          180.9630980000
platinum_182          181.9611720000
platinum_183          182.9615970000
platinum_184          183.9599150000
platinum_185          184.9606140000
platinum_186          185.9593510000
platinum_187          186.9606170000
platinum_188          187.9593889000
platinum_189          188.9608310000
platinum_190          189.9599297000   # 0.00012000
platinum_191          190.9616729000
platinum_192          191.9610387000   # 0.00782000
platinum_193          192.9629824000
platinum_194          193.9626809000   # 0.32860000
platinum_195          194.9647917000   # 0.33780000
platinum_196          195.9649520900   # 0.25210000
platinum_197          196.9673406900
platinum_198          197.9678949000   # 0.07356000
platinum_199          198.9705952000
platinum_200          199.9714430000
platinum_201          200.9745130000
platinum_202          201.9756390000
platinum_203          202.9789300000
platinum_204          203.9807600000
platinum_205          204.9860800000
platinum_206          205.9896600000
platinum          0.00012000 platinum_190 \
                + 0.00782000 platinum_192 \
                + 0.32860000 platinum_194 \
                + 0.33780000 platinum_195 \
                + 0.25210000 platinum_196 \
                + 0.07356000 platinum_198

# gold: Au (79)  std atomic weight: 196.966569(5)
gold_169              168.9980800000
gold_170              169.9959700000
gold_171              170.9918760000
gold_172              171.9899420000
gold_173              172.9862410000
gold_174              173.9847170000
gold_175              174.9813040000
gold_176              175.9802500000
gold_177              176.9768700000
gold_178              177.9760320000
gold_179              178.9731740000
gold_180              179.9725230000
gold_181              180.9700790000
gold_182              181.9696180000
gold_183              182.9675910000
gold_184              183.9674520000
gold_185              184.9657900000
gold_186              185.9659530000
gold_187              186.9645430000
gold_188              187.9653490000
gold_189              188.9639480000
gold_190              189.9646980000
gold_191              190.9637020000
gold_192              191.9648140000
gold_193              192.9641373000
gold_194              193.9654178000
gold_195              194.9650352000
gold_196              195.9665699000
gold_197              196.9665687900   # 1.00000000
gold_198              197.9682424200
gold_199              198.9687652800
gold_200              199.9707560000
gold_201              200.9716575000
gold_202              201.9738560000
gold_203              202.9751544000
gold_204              203.9778300000
gold_205              204.9798500000
gold_206              205.9847400000
gold_207              206.9884000000
gold_208              207.9934500000
gold_209              208.9973500000
gold_210              210.0025000000
gold                  gold_197

# mercury: Hg (80)  std atomic weight: 200.592(3)
mercury_171           171.0035300000
mercury_172           171.9988100000
mercury_173           172.9970900000
mercury_174           173.9928650000
mercury_175           174.9914410000
mercury_176           175.9873610000
mercury_177           176.9862770000
mercury_178           177.9824840000
mercury_179           178.9818310000
mercury_180           179.9782600000
mercury_181           180.9778190000
mercury_182           181.9746890000
mercury_183           182.9744448000
mercury_184           183.9717140000
mercury_185           184.9718990000
mercury_186           185.9693620000
mercury_187           186.9698140000
mercury_188           187.9675670000
mercury_189           188.9681950000
mercury_190           189.9663230000
mercury_191           190.9671570000
mercury_192           191.9656350000
mercury_193           192.9666530000
mercury_194           193.9654491000
mercury_195           194.9667210000
mercury_196           195.9658326000   # 0.00150000
mercury_197           196.9672128000
mercury_198           197.9667686000   # 0.09970000
mercury_199           198.9682806400   # 0.16870000
mercury_200           199.9683265900   # 0.23100000
mercury_201           200.9703028400   # 0.13180000
mercury_202           201.9706434000   # 0.29860000
mercury_203           202.9728728000
mercury_204           203.9734939800   # 0.06870000
mercury_205           204.9760734000
mercury_206           205.9775140000
mercury_207           206.9823000000
mercury_208           207.9857590000
mercury_209           208.9907200000
mercury_210           209.9942400000
mercury_211           210.9993300000
mercury_212           212.0029600000
mercury_213           213.0082300000
mercury_214           214.0120000000
mercury_215           215.0174000000
mercury_216           216.0213200000
mercury           0.00150000 mercury_196 \
                + 0.09970000 mercury_198 \
                + 0.16870000 mercury_199 \
                + 0.23100000 mercury_200 \
                + 0.13180000 mercury_201 \
                + 0.29860000 mercury_202 \
                + 0.06870000 mercury_204

# thallium: Tl (81)  std atomic weight: [204.382,204.385]
thallium_176          176.0006240000
thallium_177          176.9964310000
thallium_178          177.9948500000
thallium_179          178.9911110000
thallium_180          179.9900570000
thallium_181          180.9862600000
thallium_182          181.9857130000
thallium_183          182.9821930000
thallium_184          183.9818860000
thallium_185          184.9787890000
thallium_186          185.9786510000
thallium_187          186.9759063000
thallium_188          187.9760210000
thallium_189          188.9735880000
thallium_190          189.9738280000
thallium_191          190.9717842000
thallium_192          191.9722250000
thallium_193          192.9705020000
thallium_194          193.9710810000
thallium_195          194.9697740000
thallium_196          195.9704810000
thallium_197          196.9695760000
thallium_198          197.9704830000
thallium_199          198.9698770000
thallium_200          199.9709633000
thallium_201          200.9708220000
thallium_202          201.9721020000
thallium_203          202.9723446000   # 0.29520000
thallium_204          203.9738639000
thallium_205          204.9744278000   # 0.70480000
thallium_206          205.9761106000
thallium_207          206.9774197000
thallium_208          207.9820190000
thallium_209          208.9853594000
thallium_210          209.9900740000
thallium_211          210.9934750000
thallium_212          211.9983400000
thallium_213          213.0019150000
thallium_214          214.0069400000
thallium_215          215.0106400000
thallium_216          216.0158000000
thallium_217          217.0196600000
thallium_218          218.0247900000
thallium          0.29520000 thallium_203 \
                + 0.70480000 thallium_205

# lead: Pb (82)  std atomic weight: 207.2(1)
lead_178              178.0038310000
lead_179              179.0022010000
lead_180              179.9979280000
lead_181              180.9966530000
lead_182              181.9926720000
lead_183              182.9918720000
lead_184              183.9881360000
lead_185              184.9876100000
lead_186              185.9842380000
lead_187              186.9839109000
lead_188              187.9808750000
lead_189              188.9808070000
lead_190              189.9780820000
lead_191              190.9782760000
lead_192              191.9757750000
lead_193              192.9761730000
lead_194              193.9740120000
lead_195              194.9745430000
lead_196              195.9727740000
lead_197              196.9734312000
lead_198              197.9720340000
lead_199              198.9729130000
lead_200              199.9718190000
lead_201              200.9728830000
lead_202              201.9721520000
lead_203              202.9733911000
lead_204              203.9730440000   # 0.01400000
lead_205              204.9744822000
lead_206              205.9744657000   # 0.24100000
lead_207              206.9758973000   # 0.22100000
lead_208              207.9766525000   # 0.52400000
lead_209              208.9810905000
lead_210              209.9841889000
lead_211              210.9887371000
lead_212              211.9918977000
lead_213              212.9965629000
lead_214              213.9998059000
lead_215              215.0047400000
lead_216              216.0080300000
lead_217              217.0131400000
lead_218              218.0165900000
lead_219              219.0217700000
lead_220              220.0254100000
lead              0.01400000 lead_204 \
                + 0.24100000 lead_206 \
                + 0.22100000 lead_207 \
                + 0.52400000 lead_208

# bismuth: Bi (83)  std atomic weight: 208.98040(1)
bismuth_184           184.0012750000
bismuth_185           184.9976000000
bismuth_186           185.9966440000
bismuth_187           186.9931470000
bismuth_188           187.9922870000
bismuth_189           188.9891950000
bismuth_190           189.9886220000
bismuth_191           190.9857866000
bismuth_192           191.9854690000
bismuth_193           192.9829600000
bismuth_194           193.9827850000
bismuth_195           194.9806488000
bismuth_196           195.9806670000
bismuth_197           196.9788651000
bismuth_198           197.9792060000
bismuth_199           198.9776730000
bismuth_200           199.9781310000
bismuth_201           200.9770100000
bismuth_202           201.9777340000
bismuth_203           202.9768930000
bismuth_204           203.9778361000
bismuth_205           204.9773867000
bismuth_206           205.9784993000
bismuth_207           206.9784710000
bismuth_208           207.9797425000
bismuth_209           208.9803991000   # 1.00000000
bismuth_210           209.9841207000
bismuth_211           210.9872697000
bismuth_212           211.9912860000
bismuth_213           212.9943851000
bismuth_214           213.9987120000
bismuth_215           215.0017700000
bismuth_216           216.0063060000
bismuth_217           217.0093720000
bismuth_218           218.0141880000
bismuth_219           219.0174800000
bismuth_220           220.0223500000
bismuth_221           221.0258700000
bismuth_222           222.0307800000
bismuth_223           223.0345000000
bismuth_224           224.0394700000
bismuth               bismuth_209

# polonium: Po (84)  std atomic weight: [209]
polonium_186          186.0043930000
polonium_187          187.0030410000
polonium_188          187.9994160000
polonium_189          188.9984730000
polonium_190          189.9951010000
polonium_191          190.9945585000
polonium_192          191.9913360000
polonium_193          192.9910260000
polonium_194          193.9881860000
polonium_195          194.9881260000
polonium_196          195.9855260000
polonium_197          196.9856600000
polonium_198          197.9833890000
polonium_199          198.9836670000
polonium_200          199.9817990000
polonium_201          200.9822598000
polonium_202          201.9807580000
polonium_203          202.9814161000
polonium_204          203.9803100000
polonium_205          204.9812030000
polonium_206          205.9804740000
polonium_207          206.9815938000
polonium_208          207.9812461000
polonium_209          208.9824308000
polonium_210          209.9828741000
polonium_211          210.9866536000
polonium_212          211.9888684000
polonium_213          212.9928576000
polonium_214          213.9952017000
polonium_215          214.9994201000
polonium_216          216.0019152000
polonium_217          217.0063182000
polonium_218          218.0089735000
polonium_219          219.0136140000
polonium_220          220.0163860000
polonium_221          221.0212280000
polonium_222          222.0241400000
polonium_223          223.0290700000
polonium_224          224.0321100000
polonium_225          225.0370700000
polonium_226          226.0403100000
polonium_227          227.0453900000
polonium              polonium_209     # most stable

# astatine: At (85)  std atomic weight: [210]
astatine_191          191.0041480000
astatine_192          192.0031520000
astatine_193          192.9999270000
astatine_194          193.9992360000
astatine_195          194.9962685000
astatine_196          195.9958000000
astatine_197          196.9931890000
astatine_198          197.9927840000
astatine_199          198.9905277000
astatine_200          199.9903510000
astatine_201          200.9884171000
astatine_202          201.9886300000
astatine_203          202.9869430000
astatine_204          203.9872510000
astatine_205          204.9860760000
astatine_206          205.9866570000
astatine_207          206.9858000000
astatine_208          207.9866133000
astatine_209          208.9861702000
astatine_210          209.9871479000
astatine_211          210.9874966000
astatine_212          211.9907377000
astatine_213          212.9929370000
astatine_214          213.9963721000
astatine_215          214.9986528000
astatine_216          216.0024236000
astatine_217          217.0047192000
astatine_218          218.0086950000
astatine_219          219.0111618000
astatine_220          220.0154330000
astatine_221          221.0180170000
astatine_222          222.0224940000
astatine_223          223.0251510000
astatine_224          224.0297490000
astatine_225          225.0326300000
astatine_226          226.0371600000
astatine_227          227.0402400000
astatine_228          228.0447500000
astatine_229          229.0481200000
astatine              astatine_210     # most stable

# radon: Rn (86)  std atomic weight: [222]
radon_193             193.0097080000
radon_194             194.0061440000
radon_195             195.0054220000
radon_196             196.0021160000
radon_197             197.0015850000
radon_198             197.9986790000
radon_199             198.9983900000
radon_200             199.9956900000
radon_201             200.9956280000
radon_202             201.9932640000
radon_203             202.9933880000
radon_204             203.9914300000
radon_205             204.9917190000
radon_206             205.9902140000
radon_207             206.9907303000
radon_208             207.9896350000
radon_209             208.9904150000
radon_210             209.9896891000
radon_211             210.9906011000
radon_212             211.9907039000
radon_213             212.9938831000
radon_214             213.9953630000
radon_215             214.9987459000
radon_216             216.0002719000
radon_217             217.0039280000
radon_218             218.0056016000
radon_219             219.0094804000
radon_220             220.0113941000
radon_221             221.0155371000
radon_222             222.0175782000
radon_223             223.0218893000
radon_224             224.0240960000
radon_225             225.0284860000
radon_226             226.0308610000
radon_227             227.0353040000
radon_228             228.0378350000
radon_229             229.0422570000
radon_230             230.0451400000
radon_231             231.0498700000
radon                 radon_222        # most stable

# francium: Fr (87)  std atomic weight: [223]
francium_199          199.0072590000
francium_200          200.0065860000
francium_201          201.0038670000
francium_202          202.0033200000
francium_203          203.0009407000
francium_204          204.0006520000
francium_205          204.9985939000
francium_206          205.9986660000
francium_207          206.9969460000
francium_208          207.9971380000
francium_209          208.9959550000
francium_210          209.9964220000
francium_211          210.9955560000
francium_212          211.9962257000
francium_213          212.9961860000
francium_214          213.9989713000
francium_215          215.0003418000
francium_216          216.0031899000
francium_217          217.0046323000
francium_218          218.0075787000
francium_219          219.0092524000
francium_220          220.0123277000
francium_221          221.0142552000
francium_222          222.0175520000
francium_223          223.0197360000
francium_224          224.0233980000
francium_225          225.0255730000
francium_226          226.0295660000
francium_227          227.0318690000
francium_228          228.0358230000
francium_229          229.0382980000
francium_230          230.0424160000
francium_231          231.0451580000
francium_232          232.0493700000
francium_233          233.0526400000
francium              francium_223     # most stable

# radium: Ra (88)  std atomic weight: [226]
radium_201            201.0127100000
radium_202            202.0097600000
radium_203            203.0093040000
radium_204            204.0064920000
radium_205            205.0062680000
radium_206            206.0038280000
radium_207            207.0037990000
radium_208            208.0018410000
radium_209            209.0019900000
radium_210            210.0004940000
radium_211            211.0008932000
radium_212            211.9997870000
radium_213            213.0003840000
radium_214            214.0000997000
radium_215            215.0027204000
radium_216            216.0035334000
radium_217            217.0063207000
radium_218            218.0071410000
radium_219            219.0100855000
radium_220            220.0110259000
radium_221            221.0139177000
radium_222            222.0153748000
radium_223            223.0185023000
radium_224            224.0202120000
radium_225            225.0236119000
radium_226            226.0254103000
radium_227            227.0291783000
radium_228            228.0310707000
radium_229            229.0349420000
radium_230            230.0370550000
radium_231            231.0410270000
radium_232            232.0434753000
radium_233            233.0475820000
radium_234            234.0503420000
radium_235            235.0549700000
radium                radium_226       # most stable

# actinium: Ac (89)  std atomic weight: [227]
actinium_206          206.0144520000
actinium_207          207.0119660000
actinium_208          208.0115500000
actinium_209          209.0094950000
actinium_210          210.0094360000
actinium_211          211.0077320000
actinium_212          212.0078130000
actinium_213          213.0066090000
actinium_214          214.0069180000
actinium_215          215.0064750000
actinium_216          216.0087430000
actinium_217          217.0093440000
actinium_218          218.0116420000
actinium_219          219.0124210000
actinium_220          220.0147549000
actinium_221          221.0155920000
actinium_222          222.0178442000
actinium_223          223.0191377000
actinium_224          224.0217232000
actinium_225          225.0232300000
actinium_226          226.0260984000
actinium_227          227.0277523000
actinium_228          228.0310215000
actinium_229          229.0329560000
actinium_230          230.0363270000
actinium_231          231.0383930000
actinium_232          232.0420340000
actinium_233          233.0443460000
actinium_234          234.0481390000
actinium_235          235.0508400000
actinium_236          236.0549880000
actinium_237          237.0582700000
actinium              actinium_227     # most stable

# thorium: Th (90)  std atomic weight: 232.0377(4)
thorium_208           208.0179000000
thorium_209           209.0177530000
thorium_210           210.0150940000
thorium_211           211.0149290000
thorium_212           212.0129880000
thorium_213           213.0130090000
thorium_214           214.0115000000
thorium_215           215.0117248000
thorium_216           216.0110560000
thorium_217           217.0131170000
thorium_218           218.0132760000
thorium_219           219.0155370000
thorium_220           220.0157480000
thorium_221           221.0181840000
thorium_222           222.0184690000
thorium_223           223.0208119000
thorium_224           224.0214640000
thorium_225           225.0239514000
thorium_226           226.0249034000
thorium_227           227.0277042000
thorium_228           228.0287413000
thorium_229           229.0317627000
thorium_230           230.0331341000
thorium_231           231.0363046000
thorium_232           232.0380558000   # 1.00000000
thorium_233           233.0415823000
thorium_234           234.0436014000
thorium_235           235.0472550000
thorium_236           236.0496570000
thorium_237           237.0536290000
thorium_238           238.0565000000
thorium_239           239.0607700000
thorium               thorium_232

# protactinium: Pa (91)  std atomic weight: 231.03588(2)
protactinium_212      212.0232030000
protactinium_213      213.0211090000
protactinium_214      214.0209180000
protactinium_215      215.0191830000
protactinium_216      216.0191090000
protactinium_217      217.0183250000
protactinium_218      218.0200590000
protactinium_219      219.0199040000
protactinium_220      220.0217050000
protactinium_221      221.0218750000
protactinium_222      222.0237840000
protactinium_223      223.0239630000
protactinium_224      224.0256176000
protactinium_225      225.0261310000
protactinium_226      226.0279480000
protactinium_227      227.0288054000
protactinium_228      228.0310517000
protactinium_229      229.0320972000
protactinium_230      230.0345410000
protactinium_231      231.0358842000   # 1.00000000
protactinium_232      232.0385917000
protactinium_233      233.0402472000
protactinium_234      234.0433072000
protactinium_235      235.0453990000
protactinium_236      236.0486680000
protactinium_237      237.0510230000
protactinium_238      238.0546370000
protactinium_239      239.0572600000
protactinium_240      240.0609800000
protactinium_241      241.0640800000
protactinium          protactinium_231

# uranium: U (92)  std atomic weight: 238.02891(3)
uranium_217           217.0246600000
uranium_218           218.0235230000
uranium_219           219.0249990000
uranium_220           220.0246200000
uranium_221           221.0262800000
uranium_222           222.0260000000
uranium_223           223.0277390000
uranium_224           224.0276050000
uranium_225           225.0293910000
uranium_226           226.0293390000
uranium_227           227.0311570000
uranium_228           228.0313710000
uranium_229           229.0335063000
uranium_230           230.0339401000
uranium_231           231.0362939000
uranium_232           232.0371563000
uranium_233           233.0396355000
uranium_234           234.0409523000   # 0.00005400
uranium_235           235.0439301000   # 0.00720400
uranium_236           236.0455682000
uranium_237           237.0487304000
uranium_238           238.0507884000   # 0.99274200
uranium_239           239.0542935000
uranium_240           240.0565934000
uranium_241           241.0603300000
uranium_242           242.0629300000
uranium_243           243.0669900000
uranium           0.00005400 uranium_234 \
                + 0.00720400 uranium_235 \
                + 0.99274200 uranium_238

# neptunium: Np (93)  std atomic weight: [237]
neptunium_219         219.0314300000
neptunium_220         220.0325400000
neptunium_221         221.0320400000
neptunium_222         222.0333000000
neptunium_223         223.0328500000
neptunium_224         224.0342200000
neptunium_225         225.0339110000
neptunium_226         226.0351880000
neptunium_227         227.0349570000
neptunium_228         228.0360670000
neptunium_229         229.0362640000
neptunium_230         230.0378280000
neptunium_231         231.0382450000
neptunium_232         232.0401100000
neptunium_233         233.0407410000
neptunium_234         234.0428953000
neptunium_235         235.0440635000
neptunium_236         236.0465700000
neptunium_237         237.0481736000
neptunium_238         238.0509466000
neptunium_239         239.0529392000
neptunium_240         240.0561650000
neptunium_241         241.0582530000
neptunium_242         242.0616400000
neptunium_243         243.0642800000
neptunium_244         244.0678500000
neptunium_245         245.0708000000
neptunium             neptunium_237    # most stable

# plutonium: Pu (94)  std atomic weight: [244]
plutonium_228         228.0387320000
plutonium_229         229.0401440000
plutonium_230         230.0396500000
plutonium_231         231.0411020000
plutonium_232         232.0411850000
plutonium_233         233.0429980000
plutonium_234         234.0433174000
plutonium_235         235.0452860000
plutonium_236         236.0460581000
plutonium_237         237.0484098000
plutonium_238         238.0495601000
plutonium_239         239.0521636000
plutonium_240         240.0538138000
plutonium_241         241.0568517000
plutonium_242         242.0587428000
plutonium_243         243.0620036000
plutonium_244         244.0642053000
plutonium_245         245.0678260000
plutonium_246         246.0702050000
plutonium_247         247.0741900000
plutonium             plutonium_244    # most stable

# americium: Am (95)
americium_230         230.0460900000
americium_231         231.0455600000
americium_232         232.0464500000
americium_233         233.0464400000
americium_234         234.0477300000
americium_235         235.0479080000
americium_236         236.0494300000
americium_237         237.0499960000
americium_238         238.0519850000
americium_239         239.0530247000
americium_240         240.0553000000
americium_241         241.0568293000
americium_242         242.0595494000
americium_243         243.0613813000
americium_244         244.0642851000
americium_245         245.0664548000
americium_246         246.0697750000
americium_247         247.0720900000
americium_248         248.0757500000
americium_249         249.0784800000

# curium: Cm (96)
curium_232            232.0498200000
curium_233            233.0507700000
curium_234            234.0501600000
curium_235            235.0515400000
curium_236            236.0513740000
curium_237            237.0528690000
curium_238            238.0530810000
curium_239            239.0549100000
curium_240            240.0555297000
curium_241            241.0576532000
curium_242            242.0588360000
curium_243            243.0613893000
curium_244            244.0627528000
curium_245            245.0654915000
curium_246            246.0672238000
curium_247            247.0703541000
curium_248            248.0723499000
curium_249            249.0759548000
curium_250            250.0783580000
curium_251            251.0822860000
curium_252            252.0848700000

# berkelium: Bk (97)
berkelium_234         234.0572700000
berkelium_235         235.0565800000
berkelium_236         236.0574800000
berkelium_237         237.0571000000
berkelium_238         238.0582000000
berkelium_239         239.0582400000
berkelium_240         240.0597600000
berkelium_241         241.0601600000
berkelium_242         242.0619800000
berkelium_243         243.0630078000
berkelium_244         244.0651810000
berkelium_245         245.0663618000
berkelium_246         246.0686730000
berkelium_247         247.0703073000
berkelium_248         248.0730880000
berkelium_249         249.0749877000
berkelium_250         250.0783167000
berkelium_251         251.0807620000
berkelium_252         252.0843100000
berkelium_253         253.0868800000
berkelium_254         254.0906000000

# californium: Cf (98)
californium_237       237.0621980000
californium_238       238.0614900000
californium_239       239.0625300000
californium_240       240.0622560000
californium_241       241.0636900000
californium_242       242.0637540000
californium_243       243.0654800000
californium_244       244.0660008000
californium_245       245.0680487000
californium_246       246.0688055000
californium_247       247.0709650000
californium_248       248.0721851000
californium_249       249.0748539000
californium_250       250.0764062000
californium_251       251.0795886000
californium_252       252.0816272000
californium_253       253.0851345000
californium_254       254.0873240000
californium_255       255.0910500000
californium_256       256.0934400000

# einsteinium: Es (99)
einsteinium_239       239.0682300000
einsteinium_240       240.0689200000
einsteinium_241       241.0685600000
einsteinium_242       242.0695700000
einsteinium_243       243.0695100000
einsteinium_244       244.0708800000
einsteinium_245       245.0712500000
einsteinium_246       246.0729000000
einsteinium_247       247.0736220000
einsteinium_248       248.0754710000
einsteinium_249       249.0764110000
einsteinium_250       250.0786100000
einsteinium_251       251.0799936000
einsteinium_252       252.0829800000
einsteinium_253       253.0848257000
einsteinium_254       254.0880222000
einsteinium_255       255.0902750000
einsteinium_256       256.0936000000
einsteinium_257       257.0959800000
einsteinium_258       258.0995200000

# fermium: Fm (100)
fermium_241           241.0742100000
fermium_242           242.0734300000
fermium_243           243.0744600000
fermium_244           244.0740400000
fermium_245           245.0753500000
fermium_246           246.0753500000
fermium_247           247.0769400000
fermium_248           248.0771865000
fermium_249           249.0789275000
fermium_250           250.0795210000
fermium_251           251.0815400000
fermium_252           252.0824671000
fermium_253           253.0851846000
fermium_254           254.0868544000
fermium_255           255.0899640000
fermium_256           256.0917745000
fermium_257           257.0951061000
fermium_258           258.0970800000
fermium_259           259.1006000000
fermium_260           260.1028100000

# mendelevium: Md (101)
mendelevium_245       245.0808100000
mendelevium_246       246.0817100000
mendelevium_247       247.0815200000
mendelevium_248       248.0828200000
mendelevium_249       249.0829100000
mendelevium_250       250.0844100000
mendelevium_251       251.0847740000
mendelevium_252       252.0864300000
mendelevium_253       253.0871440000
mendelevium_254       254.0895900000
mendelevium_255       255.0910841000
mendelevium_256       256.0938900000
mendelevium_257       257.0955424000
mendelevium_258       258.0984315000
mendelevium_259       259.1005100000
mendelevium_260       260.1036500000
mendelevium_261       261.1058300000
mendelevium_262       262.1091000000

# nobelium: No (102)
nobelium_248          248.0865500000
nobelium_249          249.0878000000
nobelium_250          250.0875600000
nobelium_251          251.0889400000
nobelium_252          252.0889670000
nobelium_253          253.0905641000
nobelium_254          254.0909560000
nobelium_255          255.0931910000
nobelium_256          256.0942829000
nobelium_257          257.0968878000
nobelium_258          258.0982100000
nobelium_259          259.1010300000
nobelium_260          260.1026400000
nobelium_261          261.1057000000
nobelium_262          262.1074600000
nobelium_263          263.1107100000
nobelium_264          264.1127300000

# lawrencium: Lr (103)
lawrencium_251        251.0941800000
lawrencium_252        252.0952600000
lawrencium_253        253.0950900000
lawrencium_254        254.0964800000
lawrencium_255        255.0965620000
lawrencium_256        256.0984940000
lawrencium_257        257.0994180000
lawrencium_258        258.1017600000
lawrencium_259        259.1029020000
lawrencium_260        260.1055000000
lawrencium_261        261.1068800000
lawrencium_262        262.1096100000
lawrencium_263        263.1113600000
lawrencium_264        264.1142000000
lawrencium_265        265.1161900000
lawrencium_266        266.1198300000

# rutherfordium: Rf (104)
rutherfordium_253     253.1004400000
rutherfordium_254     254.1000500000
rutherfordium_255     255.1012700000
rutherfordium_256     256.1011520000
rutherfordium_257     257.1029180000
rutherfordium_258     258.1034280000
rutherfordium_259     259.1055960000
rutherfordium_260     260.1064400000
rutherfordium_261     261.1087730000
rutherfordium_262     262.1099200000
rutherfordium_263     263.1124900000
rutherfordium_264     264.1138800000
rutherfordium_265     265.1166800000
rutherfordium_266     266.1181700000
rutherfordium_267     267.1217900000
rutherfordium_268     268.1239700000

# dubnium: Db (105)
dubnium_255           255.1070700000
dubnium_256           256.1078900000
dubnium_257           257.1075800000
dubnium_258           258.1092800000
dubnium_259           259.1094920000
dubnium_260           260.1113000000
dubnium_261           261.1119200000
dubnium_262           262.1140700000
dubnium_263           263.1149900000
dubnium_264           264.1174100000
dubnium_265           265.1186100000
dubnium_266           266.1210300000
dubnium_267           267.1224700000
dubnium_268           268.1256700000
dubnium_269           269.1279100000
dubnium_270           270.1313600000

# seaborgium: Sg (106)
seaborgium_258        258.1129800000
seaborgium_259        259.1144000000
seaborgium_260        260.1143840000
seaborgium_261        261.1159490000
seaborgium_262        262.1163370000
seaborgium_263        263.1182900000
seaborgium_264        264.1189300000
seaborgium_265        265.1210900000
seaborgium_266        266.1219800000
seaborgium_267        267.1243600000
seaborgium_268        268.1253900000
seaborgium_269        269.1286300000
seaborgium_270        270.1304300000
seaborgium_271        271.1339300000
seaborgium_272        272.1358900000
seaborgium_273        273.1395800000

# bohrium: Bh (107)
bohrium_260           260.1216600000
bohrium_261           261.1214500000
bohrium_262           262.1229700000
bohrium_263           263.1229200000
bohrium_264           264.1245900000
bohrium_265           265.1249100000
bohrium_266           266.1267900000
bohrium_267           267.1275000000
bohrium_268           268.1296900000
bohrium_269           269.1304200000
bohrium_270           270.1333600000
bohrium_271           271.1352600000
bohrium_272           272.1382600000
bohrium_273           273.1402400000
bohrium_274           274.1435500000
bohrium_275           275.1456700000

# hassium: Hs (108)
hassium_263           263.1285200000
hassium_264           264.1283570000
hassium_265           265.1297930000
hassium_266           266.1300460000
hassium_267           267.1316700000
hassium_268           268.1318600000
hassium_269           269.1337500000
hassium_270           270.1342900000
hassium_271           271.1371700000
hassium_272           272.1385000000
hassium_273           273.1416800000
hassium_274           274.1433000000
hassium_275           275.1466700000
hassium_276           276.1484600000
hassium_277           277.1519000000

# meitnerium: Mt (109)
meitnerium_265        265.1360000000
meitnerium_266        266.1373700000
meitnerium_267        267.1371900000
meitnerium_268        268.1386500000
meitnerium_269        269.1388200000
meitnerium_270        270.1403300000
meitnerium_271        271.1407400000
meitnerium_272        272.1434100000
meitnerium_273        273.1444000000
meitnerium_274        274.1472400000
meitnerium_275        275.1488200000
meitnerium_276        276.1515900000
meitnerium_277        277.1532700000
meitnerium_278        278.1563100000
meitnerium_279        279.1580800000

# darmstadtium: Ds (110)
darmstadtium_267      267.1437700000
darmstadtium_268      268.1434800000
darmstadtium_269      269.1447520000
darmstadtium_270      270.1445840000
darmstadtium_271      271.1459500000
darmstadtium_272      272.1460200000
darmstadtium_273      273.1485600000
darmstadtium_274      274.1494100000
darmstadtium_275      275.1520300000
darmstadtium_276      276.1530300000
darmstadtium_277      277.1559100000
darmstadtium_278      278.1570400000
darmstadtium_279      279.1601000000
darmstadtium_280      280.1613100000
darmstadtium_281      281.1645100000

# roentgenium: Rg (111)
roentgenium_272       272.1532700000
roentgenium_273       273.1531300000
roentgenium_274       274.1552500000
roentgenium_275       275.1559400000
roentgenium_276       276.1583300000
roentgenium_277       277.1590700000
roentgenium_278       278.1614900000
roentgenium_279       279.1627200000
roentgenium_280       280.1651400000
roentgenium_281       281.1663600000
roentgenium_282       282.1691200000
roentgenium_283       283.1705400000

# copernicium: Cn (112)
copernicium_276       276.1614100000
copernicium_277       277.1636400000
copernicium_278       278.1641600000
copernicium_279       279.1665400000
copernicium_280       280.1671500000
copernicium_281       281.1697500000
copernicium_282       282.1705000000
copernicium_283       283.1732700000
copernicium_284       284.1741600000
copernicium_285       285.1771200000

# nihonium: Nh (113)
nihonium_278          278.1705800000
nihonium_279          279.1709500000
nihonium_280          280.1729300000
nihonium_281          281.1734800000
nihonium_282          282.1756700000
nihonium_283          283.1765700000
nihonium_284          284.1787300000
nihonium_285          285.1797300000
nihonium_286          286.1822100000
nihonium_287          287.1833900000

# flerovium: Fl (114)
flerovium_285         285.1836400000
flerovium_286         286.1842300000
flerovium_287         287.1867800000
flerovium_288         288.1875700000
flerovium_289         289.1904200000

# moscovium: Uup (115)
moscovium_287         287.1907000000
moscovium_288         288.1927400000
moscovium_289         289.1936300000
moscovium_290         290.1959800000
moscovium_291         291.1970700000

# livermorium: Lv (116)
livermorium_289       289.1981600000
livermorium_290       290.1986400000
livermorium_291       291.2010800000
livermorium_292       292.2017400000
livermorium_293       293.2044900000

# tennessine: Uus (117)
tennessine_291        291.2055300000
tennessine_292        292.2074600000
tennessine_293        293.2082400000
tennessine_294        294.2104600000

# oganesson: Og (118)
oganesson_293         293.2135600000
oganesson_294         294.2139200000
oganesson_295         295.2162400000