data_image0 _chemical_formula_structural YSe2 _chemical_formula_sum "Y1 Se2" _cell_length_a 4.083296774719298 _cell_length_b 4.0832838383265555 _cell_length_c 19.384062043356593 _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 Y Y1 1.0 7.012662500438668e-19 0.0 0.49999966355461095 1.0000 Se Se1 1.0 7.889433754272405e-19 0.5000000002049141 0.5929548984259077 1.0000 Se Se2 1.0 0.5000000006466224 0.0 0.4070441320478625 1.0000