AM_SiO2_12 Formula: Si O2 Name: SiO2 Unit cell: 6.6211 7.9963 5.4115 90.0 100.2277 90.0 , V=281.96 Space group: C121 (5)

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: 13