#------------------------------------------------------------------------------ #$Date: 2015-01-27 21:58:39 +0200 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: file:///home/coder/svn-repositories/cod/cif/2/00/26/2002622.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_2002622 loop_ _publ_author_name 'Weinreich, J' 'Mueller-Buschbaum, Hk' _publ_section_title ; Das erste Alkali-Erdalkalimetall-Oxo/Peroxo-Aurat(III): Na Ba4 Au O4 (O2)2 ; _journal_name_full ; Zeitschrift fuer Anorganische und Allgemeine Chemie ; _journal_page_first 537 _journal_page_last 539 _journal_paper_doi 10.1002/zaac.19936190319 _journal_volume 619 _journal_year 1993 _chemical_formula_structural 'Na Ba4 (Au O4 (O2)2)' _chemical_formula_sum 'Au Ba4 Na O8' _chemical_name_systematic 'Sodium tetrabarium diperoxotetraoxoaurate' _space_group_IT_number 139 _symmetry_cell_setting tetragonal _symmetry_Int_Tables_number 139 _symmetry_space_group_name_Hall '-I 4 2' _symmetry_space_group_name_H-M 'I 4/m m m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 2 _cell_length_a 5.9394(12) _cell_length_b 5.9394(12) _cell_length_c 15.3928(52) _cell_volume 543.0 _refine_ls_R_factor_all 0.07 _cod_database_code 2002622 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,-y,z -x,y,z x,-y,z -y,x,z y,-x,z y,x,z -y,-x,z -x,-y,-z x,y,-z x,-y,-z -x,y,-z y,-x,-z -y,x,-z -y,-x,-z y,x,-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,1/2+z 1/2+x,1/2-y,1/2+z 1/2-y,1/2+x,1/2+z 1/2+y,1/2-x,1/2+z 1/2+y,1/2+x,1/2+z 1/2-y,1/2-x,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,1/2-z 1/2-x,1/2+y,1/2-z 1/2+y,1/2-x,1/2-z 1/2-y,1/2+x,1/2-z 1/2-y,1/2-x,1/2-z 1/2+y,1/2+x,1/2-z loop_ _atom_site_label _atom_site_type_symbol _atom_site_symmetry_multiplicity _atom_site_Wyckoff_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_attached_hydrogens _atom_site_calc_flag Au1 Au3+ 2 a 0. 0. 0. 1. 0 d Na1 Na1+ 2 b 0. 0. 0.5 1. 0 d Ba1 Ba2+ 8 g 0. 0.5 0.1178(2) 1. 0 d O1 O1- 4 e 0. 0. 0.350(3) 1. 0 d O2 O1- 4 e 0. 0. 0.257(4) 1. 0 d O3 O2- 8 h 0.235(4) 0.235(4) 0. 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Au3+ 3.000 Na1+ 1.000 Ba2+ 2.000 O1- -1.000 O2- -2.000