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: 21
_database_code_amcsd 0007886
4.7209 4.5622 6.0394 90.9053 93.3589 105.9589 P1
atom      x      y      z
Si1  .92440 .88732 .09823
Si2  .04628 .67669 .54485
Si3  .28983 .49012 .16406
Si4  .56482 .15851 .81421
O1   .83179 .74573 .33781
O2   .29799 .54261 .43287
O3   .24088 .00747 .67014
O4   .99265 .23923 .13734
O5   .69292 .86751 .88460
O6   .51991 .33202 .04662
O7   .21255 .77809 .04640
O8   .82618 .40998 .68894