#------------------------------------------------------------------------------ #$Date: 2013-03-28 18:17:04 +0200 (Thu, 28 Mar 2013) $ #$Revision: 77586 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/01/13/1011342.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_1011342 loop_ _publ_author_name 'Pauling, L' _publ_section_title 'The crystal structure of pseudobrookite' _journal_coden_ASTM ZEKGAX _journal_name_full ; Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik, Kristallchemie (-144,1977) ; _journal_page_first 97 _journal_page_last 113 _journal_volume 73 _journal_year 1930 _chemical_compound_source 'from Aranyer Berg, Transylvania' _chemical_formula_structural 'Fe2 (Ti O3) O2' _chemical_formula_sum 'Fe2 O5 Ti' _chemical_name_mineral Pseudobrookite _chemical_name_systematic 'Diiron(III) titanate dioxide' _symmetry_cell_setting orthorhombic _symmetry_Int_Tables_number 63 _symmetry_space_group_name_H-M 'C m c m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 3.725 _cell_length_b 9.79 _cell_length_c 9.93 _cell_volume 362.1 _exptl_crystal_density_meas 4.39 _cod_database_code 1011342 loop_ _symmetry_equiv_pos_as_xyz x,y,z x,-y,-z x,y,1/2-z x,-y,1/2+z -x,-y,-z -x,y,z -x,-y,1/2+z -x,y,1/2-z 1/2+x,1/2+y,z 1/2+x,1/2-y,-z 1/2+x,1/2+y,1/2-z 1/2+x,1/2-y,1/2+z 1/2-x,1/2-y,-z 1/2-x,1/2+y,z 1/2-x,1/2-y,1/2+z 1/2-x,1/2+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 Ti1 Ti4+ 4 c 0. 0.19 0.25 1. 0 d Fe1 Fe3+ 8 f 0. 0.135 0.56 1. 0 d O1 O2- 4 c 0. 0.73 0.25 1. 0 d O2 O2- 8 f 0. 0.045 0.11 1. 0 d O3 O2- 8 f 0. 0.31 0.095 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Ti4+ 4.000 Fe3+ 3.000 O2- -2.000