AM_SiO2_2 Formula: Si O2 Name: SiO2 Unit cell: 5.0482 6.6568 4.9371 90.0 90.0 90.0 , V=165.91 Space group: PNA21 (33)

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: 3