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Structure 98
Prototype: SiO2 beta-Quartz
StrukturBericht / Pearson: - / hP9
Lattice parameters:
SiO2
4.9965 5.4546
Radius:
I: 1.3330 (half-distance)
Cd: 1.4895 (half-distance)
1. Building with space group (s098.xml):
Group: 180
Wyckoff positions:
Si 6g, x = 0.5
O 12k, x = 0.4147, y = 0.2078, z = 0.1666
Cells: 3 x 3 x 1
Cutoff: Nodes
Polytopes: Neighbours 6
View:
I,Cd: style solid, size 1.0, variancy 1.0, scale 0.25
ii) b-quartz
Structure Hexagonal
Space Group: P6222 (No. 180)
a=4.9965 ~E c=5.4546 ~E
a=b=90.0, g=120.0
Z=3
Atomic Positional Parameters
Si 6g 0.5000 0.0000 0.0000
O 12k 0.4147 0.2078 0.1666
References
Y le Page and G Donnay (1976) Acta Crystallographica, B, 32, 2456.
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