data_image0 _chemical_formula_structural Sn2 _chemical_formula_sum "Sn2" _cell_length_a 4.678744551775401 _cell_length_b 4.678744551775401 _cell_length_c 4.678744551775401 _cell_angle_alpha 120.00000000000001 _cell_angle_beta 90.0 _cell_angle_gamma 120.00000000000001 _space_group_name_H-M_alt "P 1" _space_group_IT_number 1 loop_ _space_group_symop_operation_xyz 'x, y, z' 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 Sn Sn1 1.0 0.0 0.0 0.0 1.0000 Sn Sn2 1.0 0.2500006045 0.5000012091 0.7500018136 1.0000