Ice VII
Kamb B, Davis B L
Proceedings of the National Academy of Sciences 52 (1964) 1433-1439
Ice VII, the densest form of ice
Note: T = 223 K, P = 2.5 GPa
Locality: synthetic
_database_code_amcsd 0018369
3.30 3.30 3.30 90 90 90 Pn3m
atom   x   y   z occ
O      0   0   0
H    .17 .17 .17  .5