#------------------------------------------------------------------------------ #$Date: 2016-02-18 15:37:37 +0000 (Thu, 18 Feb 2016) $ #$Revision: 176729 $ #$URL: svn://www.crystallography.net/cod/cif/1/00/10/1001090.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_1001090 loop_ _publ_author_name 'Moreau, J M' 'Michel, C' 'Gerson, R' 'James, W J' _publ_section_title ; Ferroelectric Bi Fe O~3~ X-Ray and neutron diffraction study ; _journal_coden_ASTM JPCSAW _journal_name_full 'Journal of Physics and Chemistry of Solids' _journal_page_first 1315 _journal_page_last 1320 _journal_paper_doi 10.1016/S0022-3697(71)80189-0 _journal_volume 32 _journal_year 1971 _chemical_formula_structural 'Bi Fe O3' _chemical_formula_sum 'Bi Fe O3' _chemical_name_systematic 'Bismuth iron(III) oxide' _space_group_IT_number 161 _symmetry_cell_setting trigonal _symmetry_space_group_name_Hall 'R 3 -2"c' _symmetry_space_group_name_H-M 'R 3 c :H' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_formula_units_Z 6 _cell_length_a 5.5876(3) _cell_length_b 5.5876(3) _cell_length_c 13.867(1) _cell_volume 374.9 _refine_ls_R_factor_all 0.09 _cod_original_sg_symbol_H-M 'R 3 c H' _cod_database_code 1001090 loop_ _symmetry_equiv_pos_as_xyz x,y,z -y,x-y,z y-x,-x,z -y,-x,1/2+z x,x-y,1/2+z y-x,y,1/2+z 1/3+x,2/3+y,2/3+z 2/3+x,1/3+y,1/3+z 1/3-y,2/3+x-y,2/3+z 2/3-y,1/3+x-y,1/3+z 1/3-x+y,2/3-x,2/3+z 2/3-x+y,1/3-x,1/3+z 1/3-y,2/3-x,1/6+z 2/3-y,1/3-x,5/6+z 1/3+x,2/3+x-y,1/6+z 2/3+x,1/3+x-y,5/6+z 1/3-x+y,2/3+y,1/6+z 2/3-x+y,1/3+y,5/6+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 Bi1 Bi3+ 6 a 0. 0. 0. 1. 0 d Fe1 Fe3+ 6 a 0. 0. 0.2212(15) 1. 0 d O1 O2- 18 b 0.443(2) 0.012(4) 0.9543(20) 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Bi3+ 3.000 Fe3+ 3.000 O2- -2.000