#------------------------------------------------------------------------------ #$Date: 2015-01-27 21:58:39 +0200 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/00/82/1008210.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_1008210 loop_ _publ_author_name 'Obradors, X' 'Collomb, A' 'Pannetier, J' 'Isalgue, A' 'Tejada, J' 'Joubert, J C' _publ_section_title ; Crystal structure and cationic distribution of Ba Fe~4~ Ti~2~ O~11~ R- type hexagonal ferrite ; _journal_coden_ASTM MRBUAC _journal_name_full 'Materials Research Bulletin' _journal_page_first 1543 _journal_page_last 1553 _journal_paper_doi 10.1016/0025-5408(83)90196-4 _journal_volume 18 _journal_year 1983 _chemical_formula_structural 'Ba Fe4 Ti2 O11' _chemical_formula_sum 'Ba Fe4 O11 Ti2' _chemical_name_systematic 'Barium tetrairon(III) dititanium oxide' _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 2 _cell_length_a 5.843(1) _cell_length_b 5.843(1) _cell_length_c 13.608(2) _cell_volume 402.3 _refine_ls_R_factor_all 0.022 _cod_database_code 1008210 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 c 0.3333 0.6667 0.25 1. 0 d Fe1 Fe3+ 4 f 0.3333 0.6667 0.778(3) 0.5 0 d Fe2 Fe3+ 4 e 0. 0. 0.139(3) 0.55(1) 0 d Ti1 Ti4+ 4 e 0. 0. 0.139(3) 0.45(1) 0 d Fe3 Fe3+ 6 g 0.5 0. 0. 0.63(1) 0 d Ti2 Ti4+ 6 g 0.5 0. 0. 0.37(1) 0 d O1 O2- 4 f 0.3333 0.6667 0.582(2) 1. 0 d O2 O2- 6 h 0.849(2) 0.698(4) 0.25 1. 0 d O3 O2- 12 k 0.175(2) 0.350(4) 0.082(1) 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Ba2+ 2.000 Fe3+ 3.000 Ti4+ 4.000 O2- -2.000