data_global _amcsd_formula_title 'SO2' loop_ _publ_author_name 'Post B' 'Schwartz R S' 'Fankuchen I' _journal_name_full 'Acta Crystallographica' _journal_volume 5 _journal_year 1952 _journal_page_first 372 _journal_page_last 374 _publ_section_title ; The crystal structure of sulfur dioxide Sample: T = -130 C ; _database_code_amcsd 0009146 _chemical_formula_sum 'S O2' _cell_length_a 6.07 _cell_length_b 5.94 _cell_length_c 6.14 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 221.383 _exptl_crystal_density_diffrn 1.922 _symmetry_space_group_name_H-M 'A b a 2' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2+y,1/2+z' '1/2+x,1/2-y,z' '1/2+x,-y,1/2+z' '1/2-x,1/2+y,z' '1/2-x,+y,1/2+z' '-x,-y,z' '-x,1/2-y,1/2+z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv S 0.00000 0.00000 0.00000 0.03166 O 0.14000 0.15000 0.11800 0.03166