_chemical_name_mineral ?alphaBi2O3_PAHT? _cell_length_a 5.848361 _cell_length_b 8.168703 _cell_length_c 7.513331 _cell_angle_alpha 90 _cell_angle_beta 112.99207 _cell_angle_gamma 90 _cell_volume 330.423854 _symmetry_space_group_name_H-M P121/c1 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z ' '-x, y+1/2, -z+1/2 ' 'x, -y+1/2, z+1/2 ' '-x, -y, -z ' loop_ _atom_site_label _atom_site_type_symbol _atom_site_symmetry_multiplicity _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_B_iso_or_equiv Bi1 Bi+3 4 0.52464 0.18191 0.35844 1 0.69941 Bi2 Bi+3 4 0.04103 0.04228 0.77812 1 0.8313 O1 O-2 4 0.81495 0.29752 0.75057 1 0.9 O2 O-2 4 0.26129 0.04816 0.17392 1 1.2 O3 O-2 4 0.32859 0.01537 0.51327 1 0.8