data_global _amcsd_formula_title 'K2 O6 S2' loop_ _publ_author_name 'de Matos Gomes E' 'Ortega J' 'Extebarria J' 'Zuniga F' 'Breczewski T' _journal_name_full 'Journal of Physics: Condensed Matter' _journal_volume 8 _journal_year 1996 _journal_page_first 2063 _journal_page_last 2071 _publ_section_title ; The crystal structure and optical activity of potassium dithionate, K2S2O6 _cod_database_code 1008860 ; _database_code_amcsd 0016728 _chemical_formula_sum 'K S O3' _cell_length_a 9.782 _cell_length_b 9.782 _cell_length_c 6.298 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 521.901 _exptl_crystal_density_diffrn 2.275 _symmetry_space_group_name_H-M 'P 3 2 1' loop_ _space_group_symop_operation_xyz 'x,y,z' 'y,x,-z' '-y,x-y,z' '-x,-x+y,-z' '-x+y,-x,z' 'x-y,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z K1 0.61948 0.00000 0.00000 K2 0.29363 0.00000 0.50000 S1 0.00000 0.00000 0.82910 S2 0.33333 0.66667 0.73790 S3 0.33333 0.66667 0.39859 O1 0.15570 0.12410 0.76820 O2 0.20460 0.51170 0.79850 O3 0.17500 0.62350 0.34410 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 K1 0.02531 0.02284 0.02309 0.01142 0.00025 0.00050 K2 0.02756 0.03436 0.02970 0.01718 0.00159 0.00318 S1 0.02212 0.02212 0.02090 0.01106 0.00000 0.00000 S2 0.01967 0.01967 0.02080 0.00984 0.00000 0.00000 S3 0.02300 0.02300 0.02130 0.01150 0.00000 0.00000 O1 0.02950 0.04560 0.03060 0.00130 0.00990 -0.00590 O2 0.02920 0.02330 0.02940 0.00730 0.00080 0.00660