data_image0 _chemical_formula_structural Cu6Se6 _chemical_formula_sum "Cu6 Se6" _cell_length_a 3.992538 _cell_length_b 4.007513677656259 _cell_length_c 17.367796 _cell_angle_alpha 90.0 _cell_angle_beta 90.0 _cell_angle_gamma 60.12353885675563 _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 0.6564315392000001 0.6871379234 0.1096183995 1.0000 Cu Cu2 1.0 0.3762880855 0.2474243299 0.2500000576 1.0000 Cu Cu3 1.0 0.6564315392000001 0.6871379234 0.3903817157 1.0000 Cu Cu4 1.0 0.3435693561 0.3128617888 0.6096179389 1.0000 Cu Cu5 1.0 0.6237128098000001 0.7525753823 0.7500001727 1.0000 Cu Cu6 1.0 0.3435693561 0.3128617888 0.8903818308 1.0000 Se Se1 1.0 0.9897225694000001 0.020555863 0.0692073997 1.0000 Se Se2 1.0 0.7074326987000001 0.5851356045 0.2500000576 1.0000 Se Se3 1.0 0.9897225694000001 0.020555863 0.4307921397 1.0000 Se Se4 1.0 0.010278325899999944 0.9794438492000002 0.5692075149 1.0000 Se Se5 1.0 0.29256819660000005 0.4148641077 0.7500001727 1.0000 Se Se6 1.0 0.010278325899999944 0.9794438492000002 0.9307922548000002 1.0000