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: 13
_database_code_amcsd 0007878
6.6211 7.9963 5.4115 90 100.2277 90 C2
atom      x      y      z
Si1  .19117     .5 .28369
Si2  .24400 .12610 .20584
O1   .31674 .51016 .57183
O2   .13270 .30628 .22617
O3   .32872 .55266 .07655
O4   .00574 .62869 .74487