data_image0 _chemical_formula_structural Cu2S2 _chemical_formula_sum "Cu2 S2" _cell_length_a 2.734125183495114 _cell_length_b 3.868986884848116 _cell_length_c 33.8772744 _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 0.4844443350495753 1.0000 Cu Cu2 1.0 0.499999999360835 0.4999999993734644 0.5155556649504247 1.0000 S S1 1.0 0.0 0.4999999993734644 0.44902888734165697 1.0000 S S2 1.0 0.499999999360835 0.0 0.5509711126583431 1.0000