data_image0 _chemical_formula_structural Cu2S4 _chemical_formula_sum "Cu2 S4" _cell_length_a 4.700776 _cell_length_b 5.819057 _cell_length_c 3.596584 _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 0.0 0.0 1.0000 Cu Cu2 1.0 0.5000004255 0.5000002578 0.49999944389999995 1.0000 S S1 1.0 0.1730054782 0.3954884786 0.0 1.0000 S S2 1.0 0.8269953727 0.6045120369 0.0 1.0000 S S3 1.0 0.6730059037 0.10451177910000001 0.49999944389999995 1.0000 S S4 1.0 0.3269949472 0.8954887364000002 0.49999944389999995 1.0000