data_global _amcsd_formula_title 'Rb2S2O6' loop_ _publ_author_name 'Huggins M L' 'Frank G O' _journal_name_full 'American Mineralogist' _journal_volume 16 _journal_year 1931 _journal_page_first 580 _journal_page_last 591 _publ_section_title ; The crystal structure of potassium dithionate, K2S2O6 ; _database_code_amcsd 10 _chemical_formula_sum 'S Rb O3' _cell_length_a 10.0 _cell_length_b 10.0 _cell_length_c 6.3 _cell_angle_alpha 90.0 _cell_angle_beta 90.0 _cell_angle_gamma 120.0 _cell_volume 545.596 _exptl_crystal_density_diffrn 3.023 _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 S1 0.0 0.0 0.16 S2 0.333333 0.666667 0.59 S3 0.333333 0.666667 0.27 Rb1 0.3 0.3 0.0 Rb2 0.625 0.625 0.5 O1 0.165 0.11 0.23 O2 0.615 0.17 0.34 O3 0.505 0.21 0.8