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import numpy as np
# http://metal.elte.hu/~groma/Anyagtudomany/kittel.pdf
cohesive_energy_kittel2005 = np.array([
None, # X
None, # H
None, # He
1.63, # Li
3.32, # Bes
5.81, # B
7.37, # C
4.92, # N
2.60, # O
0.84, # F
0.020, # Ne
1.113, # Na
1.51, # Mg
3.39, # Al
4.63, # Si
3.43, # P
2.85, # S
1.40, # Cl
0.080, # Ar
0.934, # K
1.84, # Ca
3.90, # Sc
4.85, # Ti
5.31, # V
4.10, # Cr
2.92, # Mn
4.28, # Fe
4.39, # Co
4.44, # Ni
3.49, # Cu
1.35, # Zn
2.81, # Ga
3.85, # Ge
2.96, # As
2.46, # Se
1.22, # Br
0.116, # Kr
0.852, # Rb
1.72, # Sr
4.37, # Y
6.25, # Zr
7.57, # Nb
6.82, # Mo
6.85, # Tc
6.74, # Ru
5.75, # Rh
3.89, # Pd
2.95, # Ag
1.16, # Cd
2.52, # In
3.14, # Sn
2.75, # Sb
2.19, # Te
1.11, # I
0.16, # Xe
0.804, # Cs
1.90, # Ba
4.47, # La
4.32, # Ce
3.70, # Pr
3.40, # Nd
None, # Pm
2.14, # Sm
1.86, # Eu
4.14, # Gd
4.05, # Tb
3.04, # Dy
3.14, # Ho
3.29, # Er
2.42, # Tm
1.60, # Yb
4.43, # Lu
6.44, # Hf
8.10, # Ta
8.90, # W
8.03, # Re
8.17, # Os
6.94, # Ir
5.84, # Pt
3.81, # Au
0.67, # Hg
1.88, # Tl
2.03, # Pb
2.18, # Bi
1.50, # Po
None, # At
0.202, # Rn
None, # Fr
1.66, # Ra
4.25, # Ac
6.20, # Th
None, # Pa
5.55, # U
4.73, # Np
3.60, # Pu
2.73, # Am
3.99, # Cm
None, # Bk
None, # Cf
None, # Es
None, # Fm
None, # Md
None, # No
None, # Lr
None, # Rf
None, # Db
None, # Sg
None, # Bh
None, # Hs
None, # Mt
None, # Ds
None, # Rg
None, # Cn
None, # Nh
None, # Fl
None, # Mc
None, # Lv
None, # Ts
None, # Og
])
cohesive_energy = cohesive_energy_kittel2005
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