data_global _chemical_name_mineral 'Antimonselite' loop_ _publ_author_name 'Tideswell N W' 'Kruse F H' 'McCullough J D' _journal_name_full 'Acta Crystallographica' _journal_volume 10 _journal_year 1957 _journal_page_first 99 _journal_page_last 102 _publ_section_title ; The crystal structure of antimony selenide, Sb2Se3 ; _database_code_amcsd 0009196 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Sb2 Se3' _cell_length_a 11.62 _cell_length_b 11.77 _cell_length_c 3.962 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 541.872 _exptl_crystal_density_diffrn 5.888 _symmetry_space_group_name_H-M 'P b n m' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,y,1/2-z' '-x,-y,1/2+z' '1/2+x,1/2-y,1/2+z' '1/2-x,1/2+y,1/2-z' '1/2-x,1/2+y,z' '1/2+x,1/2-y,-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Sb1 0.32800 0.03050 0.25000 0.01393 Sb2 0.03970 0.14780 0.75000 0.01393 Se1 0.87320 0.05340 0.25000 0.01393 Se2 0.44340 0.13020 0.75000 0.01393 Se3 0.19350 0.21320 0.25000 0.01393