SiO2
Boisen M B, Gibbs G V, Bukowinski M S T
Physics and Chemistry of Minerals 21 (1994) 269-284
Framework silica structures generated using simulated annealing
with a potential energy function based on an H6Si2O7 molecule
Sample: 11
_database_code_amcsd 0007876
6.9979 8.2122 6.5106 90 114.9303 90 C2
atom      x      y      z
Si1  .20423      0 .21347
Si2  .39511 .81983 .64098
O1       .5 .71754     .5
O2        0 .93053      0
O3   .79134 .92676 .55053
O4   .41950 .94158 .19267
O5   .80752 .19767 .77866