data_5910181 loop_ _publ_author_name 'Wyckoff, R. W. G.' _publ_section_title ; Pages 95 & 102 from the Structure of Crystals, vol. 3 by Wyckoff R W G. published by Interscience Publishers, Inc. in 1951 ; _journal_name_full 'The Structure of Crystals' _journal_page_first 95 _journal_page_last 102 _journal_volume 3 _journal_year 1951 _chemical_formula_structural Rb2SeO4 _chemical_formula_sum 'O4 Rb2 Se' _space_group_IT_number 62 _symmetry_cell_setting orthorhombic _symmetry_Int_Tables_number 62 _symmetry_space_group_name_Hall '-P 2ac 2n' _symmetry_space_group_name_H-M 'P n m a' _audit_creation_date 2006-08-07 _audit_creation_method ; Pages 95 & 102 from the Structure of Crystals, vol. 3 by Wyckoff R W G. published by Interscience Publishers, Inc. in 1951 ; _audit_update_record 'created by Girish Upreti, Portland State University' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_length_a 8.01 _cell_length_b 6.18 _cell_length_c 10.85 _cell_volume 537.095 _[local]_cod_chemical_formula_sum_orig 'Rb2 Se O4' _cod_database_code 5910181 loop_ _symmetry_equiv_pos_as_xyz x,y,z x+1/2,-y+1/2,-z+1/2 -x,y+1/2,-z -x+1/2,-y,z+1/2 -x,-y,-z -x+1/2,y+1/2,z+1/2 x,-y+1/2,z x+1/2,y,-z+1/2 loop_ _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_label 0.67680 0.25000 0.41820 Rb1 -0.01150 0.25000 -0.29540 Rb2 0.23580 0.25000 0.41550 Se1 0.03150 0.25000 0.40320 O1 0.29700 0.25000 0.55790 O2 0.29970 0.04100 0.34840 O3