data_image0 _chemical_formula_structural Ag4Se4 _chemical_formula_sum "Ag4 Se4" _cell_length_a 6.083301547655281 _cell_length_b 4.072329321687877 _cell_length_c 20.02703528 _cell_angle_alpha 90.0 _cell_angle_beta 90.0 _cell_angle_gamma 89.99995608287979 _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 Ag Ag1 1.0 0.2500016643913803 0.7536062065222707 0.6223013679137035 1.0000 Ag Ag2 1.0 0.7499937897487513 0.7536062270415647 0.3776986270930462 1.0000 Ag Ag3 1.0 0.9999994056600024 0.25354242637853935 0.49999990512824427 1.0000 Ag Ag4 1.0 0.49999940300277734 0.253541192780423 0.5000001058569065 1.0000 Se Se1 1.0 0.9854773324032043 0.2536331130317318 0.6249943221750793 1.0000 Se Se2 1.0 0.014520536370405852 0.2536342035437237 0.3750063259488101 1.0000 Se Se3 1.0 0.4854749576769621 0.2536332840309716 0.37500576320950085 1.0000 Se Se4 1.0 0.514522893013892 0.2536343935172231 0.6249935826747093 1.0000