#------------------------------------------------------------------------------ #$Date: 2016-02-18 17:37:37 +0200 (Thu, 18 Feb 2016) $ #$Revision: 176729 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/01/10/1011033.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_1011033 loop_ _publ_author_name 'Barth, T F W' 'Posnjak, E' _publ_section_title 'The Crystal Structure of Ilmenite' _journal_coden_ASTM ZEKGAX _journal_name_full ; Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik, Kristallchemie (-144,1977) ; _journal_page_first 265 _journal_page_last 270 _journal_volume 88 _journal_year 1934 _chemical_compound_source 'from Quincy, Massachusetts, U S A' _chemical_formula_structural 'Fe (Ti O3)' _chemical_formula_sum 'Fe O3 Ti' _chemical_name_mineral Ilmenite _chemical_name_systematic 'Iron titanate' _space_group_IT_number 148 _symmetry_cell_setting trigonal _symmetry_space_group_name_Hall '-P 3*' _symmetry_space_group_name_H-M 'R -3 :R' _cell_angle_alpha 54.83 _cell_angle_beta 54.83 _cell_angle_gamma 54.83 _cell_formula_units_Z 2 _cell_length_a 5.52 _cell_length_b 5.52 _cell_length_c 5.52 _cell_volume 104.6 _exptl_crystal_density_meas 4.78 _cod_original_sg_symbol_H-M 'R -3 R' _cod_database_code 1011033 loop_ _symmetry_equiv_pos_as_xyz x,y,z y,z,x z,x,y -x,-y,-z -y,-z,-x -z,-x,-y 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 Fe2+ 2 c 0.358 0.358 0.358 1. 0 d Ti1 Ti4+ 2 c 0.142 0.142 0.142 1. 0 d O1 O2- 6 f 0.555 -0.055 0.25 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Fe2+ 2.000 Ti4+ 4.000 O2- -2.000