data_image0 _chemical_formula_structural Cu2S2 _chemical_formula_sum "Cu2 S2" _cell_length_a 3.8733793150868845 _cell_length_b 3.8733793150868845 _cell_length_c 33.0334 _cell_angle_alpha 90.0 _cell_angle_beta 90.0 _cell_angle_gamma 90.0 _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 Cu Cu1 1.0 0.0 0.5000000006342157 0.5 1.0000 Cu Cu2 1.0 0.5000000006342157 1.4367333872112701e-19 0.5 1.0000 S S1 1.0 0.5000000006342157 0.5000000006342157 0.5380484915267578 1.0000 S S2 1.0 7.837937261083424e-19 0.0 0.46195150847324223 1.0000