GaAs
Wyckoff R W G
Crystal Structures 1 (1963) 85-237
Second edition. Interscience Publishers, New York, New York
Note: ZnS structure, sphalerite structure
_database_code_amcsd 0011523
5.6537 5.6537 5.6537 90 90 90 F-43m
atom   x   y   z
Ga     0   0   0
As   .25 .25 .25