# generated using pymatgen data_SiO2 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 4.91496618 _cell_length_b 4.91496618 _cell_length_c 5.43130114 _cell_angle_alpha 90.00000000 _cell_angle_beta 90.00000000 _cell_angle_gamma 120.00000000 _symmetry_Int_Tables_number 1 _chemical_formula_structural SiO2 _chemical_formula_sum 'Si3 O6' _cell_volume 113.62544098 _cell_formula_units_Z 3 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 0.53108859 0.53108859 0.00000000 1 Si4+ Si1 1 0.00000000 0.46891141 0.66666667 1 Si4+ Si2 1 0.46891141 0.00000000 0.33333333 1 O2- O3 1 0.26922311 0.41339429 0.78489098 1 O2- O4 1 0.58660571 0.85582882 0.11822431 1 O2- O5 1 0.14417118 0.73077689 0.45155765 1 O2- O6 1 0.41339429 0.26922311 0.21510902 1 O2- O7 1 0.73077689 0.14417118 0.54844235 1 O2- O8 1 0.85582882 0.58660571 0.88177569 1