AM_SiO2_7 Formula: Si O2 Name: SiO2 Unit cell: 8.8664 4.7482 8.7918 90.0 115.4133 90.0 , V=334.31 Space group: C12/C1 (15)

Boisen M B , Gibbs G V , Bukowinski M S T , Physics and Chemistry of Minerals , 21 (1994) p.269-284, Framework silica structures generated using simulated annealing, with a potential energy function based on an H6Si2O7 molecule, Sample: 8