#------------------------------------------------------------------------------ #$Date: 2014-07-11 19:04:56 +0300 (Fri, 11 Jul 2014) $ #$Revision: 120072 $ #$URL: file:///home/coder/svn-repositories/cod/cif/2/00/24/2002447.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_2002447 _chemical_name_systematic ; Barium lanthanum aluminium iron(III) oxide (6/2/1.5/2.5/15) ; _chemical_formula_structural 'Ba6 La2 (Al1.5 Fe2.5 O15)' _chemical_formula_sum 'Al1.5 Ba6 Fe2.5 La2 O15' _publ_section_title ; Geordnete Oktaederbesetzung in Ba6 La2 Al1.5 Fe2.5 O15 ; loop_ _publ_author_name 'Rueter, I' 'Mueller-Buschbaum, Hk' _journal_name_full ; Zeitschrift fuer Anorganische und Allgemeine Chemie ; _journal_volume 588 _journal_year 1990 _journal_page_first 97 _journal_page_last 101 _cell_length_a 11.814(1) _cell_length_b 11.814(1) _cell_length_c 7.1003(6) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 858.2 _cell_formula_units_Z 2 _symmetry_space_group_name_H-M 'P 63 m c' _symmetry_Int_Tables_number 186 _symmetry_cell_setting hexagonal loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-y,x-y,z' 'y-x,-x,z' '-y,-x,z' 'y-x,y,z' 'x,x-y,z' '-x,-y,1/2+z' 'y,y-x,1/2+z' 'x-y,x,1/2+z' 'y,x,1/2+z' 'x-y,-y,1/2+z' '-x,y-x,1/2+z' loop_ _atom_type_symbol _atom_type_oxidation_number Ba2+ 2.000 La3+ 3.000 Fe3+ 3.000 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+ 2 a 0. 0. 0. 1. 0 d Ba2 Ba2+ 6 c 0.1716(1) 0.8284(1) 0.1749(7) 1. 0 d Ba3 Ba2+ 2 b 0.3333 0.6667 0.4900(9) 1. 0 d Ba4 Ba2+ 6 c 0.47862(8) 0.52138(8) 0.8445(6) 0.33 0 d La4 La3+ 6 c 0.47862(8) 0.52138(8) 0.8445(6) 0.67 0 d Fe1 Fe3+ 2 b 0.3333 0.6667 0.035(1) 1. 0 d Fe2 Fe3+ 6 c 0.1789(3) 0.8211(3) 0.674(1) 0.5 0 d Al1 Al3+ 6 c 0.1789(3) 0.8211(3) 0.674(1) 0.5 0 d O1 O2- 12 d 0.678(2) 0.071(2) 0.042(2) 1. 0 d O2 O2- 6 c 0.248(1) 0.752(1) 0.843(5) 1. 0 d O3 O2- 6 c 0.414(1) 0.586(1) 0.176(5) 1. 0 d O4 O2- 6 c 0.903(2) 0.097(2) 0.274(4) 1. 0 d _refine_ls_R_factor_all 0.046 _cod_database_code 2002447 _journal_paper_doi 10.1002/zaac.19905880112