AM_SiO2_6 Formula: Si O2 Name: SiO2 Unit cell: 7.4953 8.6203 4.7305 90.0 90.0 90.0 , V=305.65 Space group: C2221 (20)

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: 7