AM_SiO2 Formula: Si O2 Name: SiO2 Unit cell: 8.6557 8.6557 4.7702 90.0 90.0 90.0 , V=357.39 Space group: I1-41 (1)

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: 1