# CRYSTAL DATA data_VESTA_phase_1 _pd_phase_name 'Quartz' _cell_length_a 5.00310 _cell_length_b 5.00310 _cell_length_c 5.50692 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _symmetry_space_group_name_H-M 'P 1' _symmetry_Int_Tables_number 1 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' loop_ _atom_site_label _atom_site_occupancy _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_adp_type _atom_site_B_iso_or_equiv _atom_site_type_symbol Si1 1.0 0.525759 0.000000 0.666667 Biso 1.000000 Si Si2 1.0 0.000000 0.525759 0.333333 Biso 1.000000 Si Si3 1.0 0.474241 0.474241 0.000000 Biso 1.000000 Si O1 1.0 0.584976 0.740114 0.791931 Biso 1.000000 O O2 1.0 0.259886 0.844862 0.458598 Biso 1.000000 O O3 1.0 0.155138 0.415024 0.125264 Biso 1.000000 O O4 1.0 0.844862 0.259886 0.541402 Biso 1.000000 O O5 1.0 0.415024 0.155138 0.874736 Biso 1.000000 O O6 1.0 0.740114 0.584976 0.208069 Biso 1.000000 O