#------------------------------------------------------------------------------ #$Date: 2015-01-27 19:58:39 +0000 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: svn://www.crystallography.net/cod/cif/2/00/22/2002234.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_2002234 loop_ _publ_author_name 'Mueller-Buschbaum, Hk' 'Harder, M' _publ_section_title ; Zur Kenntnis von Ba2 (Fe2+)2 (Fe3+)9 Al11 O34 ; _journal_name_full ; Zeitschrift fuer Naturforschung, Teil B. Anorganische Chemie, Organische Chemie (33,1978-41,1986) ; _journal_page_first 146 _journal_page_last 148 _journal_volume 33 _journal_year 1978 _chemical_formula_structural 'Ba2 Fe11 Al11 O34' _chemical_formula_sum 'Al11 Ba2 Fe11 O34' _chemical_name_systematic 'Barium aluminium iron oxide (2/11/11/34)' _space_group_IT_number 194 _symmetry_cell_setting hexagonal _symmetry_Int_Tables_number 194 _symmetry_space_group_name_Hall '-P 6c 2c' _symmetry_space_group_name_H-M 'P 63/m m c' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_formula_units_Z 1 _cell_length_a 5.653 _cell_length_b 5.653 _cell_length_c 22.81 _cell_volume 631.3 _refine_ls_R_factor_all 0.083 _cod_database_code 2002234 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,-z y,y-x,-z x-y,x,-z y,x,-z x-y,-y,-z -x,y-x,-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 x,y,1/2-z -y,x-y,1/2-z y-x,-x,1/2-z -y,-x,1/2-z y-x,y,1/2-z x,x-y,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 Ba1 Ba2+ 2 d 0.3333 0.6667 0.75 1. 0 d Al1 Al3+ 2 a 0. 0. 0. 0.5 0 d Fe1 Fe3+ 2 a 0. 0. 0. 0.5 0 d Fe2 Fe3+ 4 f 0.3333 0.6667 0.0234 1. 0 d Al2 Al3+ 4 f 0.3333 0.6667 0.1753 0.5 0 d Fe3 Fe3+ 4 f 0.3333 0.6667 0.1753 0.5 0 d Al3 Al3+ 12 k 0.1668 0.3336 0.8934 0.6667 0 d Fe4 Fe3+ 12 k 0.1668 0.3336 0.8934 0.3333 0 d O1 O2- 4 e 0. 0. 0.143 1. 0 d O2 O2- 4 f 0.3333 0.6667 0.941 1. 0 d O3 O2- 2 c 0.3333 0.6667 0.25 1. 0 d O4 O2- 12 k 0.154 0.308 0.051 1. 0 d O5 O2- 12 k 0.504 0.008 0.148 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Ba2+ 2.000 Al3+ 3.000 Fe3+ 2.820 O2- -2.000