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: 20
_database_code_amcsd 0007885
5.4515 5.3227 5.8091 77.9812 82.2353 54.5766 P1
atom      x      y      z
Si1  .63119 .15529 .92211
Si2  .74028 .53694 .09612
Si3  .07709 .98438 .51099
Si4  .67431 .80691 .61642
O1   .62734 .88862 .11558
O2   .93048 .81599 .44260
O3   .95278 .06157 .78337
O4   .44530 .75325 .51403
O5   .97640 .28860 .30715
O6   .46678 .14977 .71234
O7   .87702 .52473 .83219
O8   .49365 .46743 .04826