#------------------------------------------------------------------------------ #$Date: 2015-01-27 21:58:39 +0200 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/20/00/1200008.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_1200008 loop_ _publ_author_name 'Bertaut, E F' 'Blum, P' 'Sagnieres, A' _publ_section_title ; Structure du Ferrite Bicalcique et de la Brownmillerite ; _journal_coden_ASTM ACCRA9 _journal_name_full 'Acta Crystallographica (1,1948-23,1967)' _journal_page_first 149 _journal_page_last 159 _journal_paper_doi 10.1107/S0365110X59000433 _journal_volume 12 _journal_year 1959 _chemical_formula_structural 'Fe2 O3 Al2 O3 (Ca O)4' _chemical_formula_sum 'Al2 Ca4 Fe2 O10' _chemical_name_systematic 'Diiron(III) dialuminium tetracalcium oxide' _space_group_IT_number 62 _symmetry_cell_setting orthorhombic _symmetry_Int_Tables_number 62 _symmetry_space_group_name_Hall '-P 2n 2ac' _symmetry_space_group_name_H-M 'P c m n' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 2 _cell_length_a 5.58 _cell_length_b 14.5 _cell_length_c 5.34 _cell_volume 432.1 _cod_duplicate_entry 1008124 _cod_database_code 1200008 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_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 Fe1 Fe3+ 4 a 0. 0. 0. 0.5 0 d Al1 Al3+ 4 a 0. 0. 0. 0.5 0 d Fe2 Fe3+ 4 c -0.072 0.25 -0.055 0.5 0 d Al2 Al3+ 4 c -0.072 0.25 -0.055 0.5 0 d Ca1 Ca2+ 8 d 0.028 0.112 0.48 1. 0 d O1 O2- 8 d 0.25 -0.015 0.25 1. 0 d O2 O2- 8 d 0.055 0.133 0. 1. 0 d O3 O2- 4 c -0.137 0.25 0.607 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Fe3+ 3.000 Al3+ 3.000 Ca2+ 2.000 O2- -2.000