# generated using pymatgen data_SiO2 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 4.99264721 _cell_length_b 4.99264721 _cell_length_c 6.93392642 _cell_angle_alpha 90.00000000 _cell_angle_beta 90.00000000 _cell_angle_gamma 90.00000000 _symmetry_Int_Tables_number 1 _chemical_formula_structural SiO2 _chemical_formula_sum 'Si4 O8' _cell_volume 172.83869832 _cell_formula_units_Z 4 loop_ _symmetry_equiv_pos_site_id _symmetry_equiv_pos_as_xyz 1 'x, y, z' loop_ _atom_type_symbol _atom_type_oxidation_number Si4+ 4.0 O2- -2.0 loop_ _atom_site_type_symbol _atom_site_label _atom_site_symmetry_multiplicity _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Si4+ Si0 1 0.69865840 0.69865840 0.50000000 1 Si4+ Si1 1 0.80134160 0.19865840 0.75000000 1 Si4+ Si2 1 0.19865840 0.80134160 0.25000000 1 Si4+ Si3 1 0.30134160 0.30134160 0.00000000 1 O2- O4 1 0.89356859 0.76138645 0.32010849 1 O2- O5 1 0.10643141 0.23861355 0.82010849 1 O2- O6 1 0.76138645 0.89356859 0.67989151 1 O2- O7 1 0.26138645 0.60643141 0.07010849 1 O2- O8 1 0.23861355 0.10643141 0.17989151 1 O2- O9 1 0.39356859 0.73861355 0.42989151 1 O2- O10 1 0.60643141 0.26138645 0.92989151 1 O2- O11 1 0.73861355 0.39356859 0.57010849 1