data_image0 _chemical_formula_structural SeCu2 _chemical_formula_sum "Se1 Cu2" _cell_length_a 4.287676365296798 _cell_length_b 4.287470111082517 _cell_length_c 30.0 _cell_angle_alpha 90.0 _cell_angle_beta 90.0 _cell_angle_gamma 119.99840874655463 _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 Se Se1 1.0 0.9999996549458672 0.9999998276464023 0.5 1.0000 Cu Cu1 1.0 0.6665847034741654 0.3332923514057591 0.5 1.0000 Cu Cu2 1.0 0.3332159314355973 0.6666079651549858 0.5 1.0000