#------------------------------------------------------------------------------ #$Date: 2008-01-13 22:15:36 +0000 (Sun, 13 Jan 2008) $ #$Revision: 14 $ #$URL: svn://www.crystallography.net/cod/cif/2/2002453.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_2002453 _chemical_name_systematic ; Pentabarium aluminium iridium(IV) iridium(V) undecaoxide ; _chemical_formula_structural 'Ba5 Al Ir2 O11' _chemical_formula_sum 'Al Ba5 Ir2 O11' _publ_section_title ; Ba5 Al Ir2 O11: Eine neue Verbindung mit Iridium(IV,V) ; loop_ _publ_author_name 'Lang, C' 'Mueller-Buschbaum, Hk' _journal_name_full ; Zeitschrift fuer Anorganische und Allgemeine Chemie ; _journal_volume 568 _journal_year 1989 _journal_page_first 29 _journal_page_last 34 _cell_length_a 18.8360(35) _cell_length_b 5.7887(27) _cell_length_c 11.103(6) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1210.6 _cell_formula_units_Z 4 _symmetry_space_group_name_H-M 'P n m a' _symmetry_Int_Tables_number 62 _symmetry_cell_setting orthorhombic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '1/2+x,1/2-y,1/2-z' '-x,1/2+y,-z' '1/2-x,-y,1/2+z' '-x,-y,-z' '1/2-x,1/2+y,1/2+z' 'x,1/2-y,z' '1/2+x,y,1/2-z' loop_ _atom_type_symbol _atom_type_oxidation_number Ba2+ 2.000 Ir4+ 4.500 Al3+ 3.000 O2- -2.000 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 Ba1 Ba2+ 4 c 0.1380(2) 0.25 0.1920(3) 1. 0 d Ba2 Ba2+ 4 c 0.9312(2) 0.25 0.0277(3) 1. 0 d Ba3 Ba2+ 4 c 0.4728(2) 0.25 0.1048(3) 1. 0 d Ba4 Ba2+ 4 c 0.1747(2) 0.25 0.5485(3) 1. 0 d Ba5 Ba2+ 4 c 0.7510(2) 0.25 0.6230(3) 1. 0 d Ir1 Ir4+ 4 c 0.5666(1) 0.25 0.7035(2) 1. 0 d Ir2 Ir4+ 4 c 0.9319(1) 0.25 0.7062(2) 1. 0 d Al1 Al3+ 4 c 0.8110(9) 0.25 0.2586(15) 1. 0 d O1 O2- 4 c 0.254(3) 0.25 0.365(4) 1. 0 d O2 O2- 4 c 0.528(2) 0.25 0.883(4) 1. 0 d O3 O2- 4 c 0.349(2) 0.25 0.692(4) 1. 0 d O4 O2- 4 c 0.271(2) 0.25 0.101(4) 1. 0 d O5 O2- 4 c 0.595(2) 0.25 0.538(3) 1. 0 d O6 O2- 8 d 0.485(1) 0.021(5) 0.684(2) 1. 0 d O7 O2- 8 d 0.398(1) 0.482(5) 0.901(2) 1. 0 d O8 O2- 8 d 0.365(2) 0.494(6) 0.254(3) 1. 0 d _refine_ls_R_factor_all 0.0687