data_image0 _chemical_formula_structural CuICuSeI _chemical_formula_sum "Cu2 I2 Se1" _cell_length_a 3.86403738218769 _cell_length_b 3.8611275535537626 _cell_length_c 21.076576535884534 _cell_angle_alpha 90.0 _cell_angle_beta 90.0 _cell_angle_gamma 113.45523002830096 _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 0.8095808453182346 0.553310134099189 0.5716918352221532 1.0000 I I1 1.0 0.9255265822162546 0.5580646340848422 0.3558452667695182 1.0000 Cu Cu2 1.0 0.20629240749523925 0.15395721775713547 0.42812528185670584 1.0000 Se Se1 1.0 0.34369717966681645 0.6897525790192743 0.49989107728485416 1.0000 I I2 1.0 0.215325098610452 0.2747382612371473 0.6441547334257444 1.0000