#------------------------------------------------------------------------------ #$Date: 2009-05-13 21:45:18 +0300 (Wed, 13 May 2009) $ #$Revision: 720 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/1010931.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_1010931 _chemical_name_systematic 'Iron carbide (3/1)' _chemical_name_mineral 'Cohenite' _chemical_compound_source 'synthetic' _chemical_formula_structural 'Fe3 C' _chemical_formula_sum 'Fe3' _publ_section_title 'A Study on the Structure of Cementite' loop_ _publ_author_name 'Shimura, S' _journal_name_full 'Proceedings of the Japan Academy' _journal_coden_ASTM PJACAW _journal_volume 6 _journal_year 1930 _journal_page_first 269 _journal_page_last 271 _cell_length_a 4.513 _cell_length_b 5.048 _cell_length_c 6.731 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 153.3 _cell_formula_units_Z 4 _symmetry_space_group_name_H-M 'P b n m S' _symmetry_Int_Tables_number 62 _symmetry_cell_setting orthorhombic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '1/2-x,1/2+y,-z' '-x,-y,1/2+z' '1/2+x,1/2-y,1/2-z' '-x,-y,1/2-z' '1/2+x,1/2-y,1/2+z' 'x,y,-z' '1/2-x,1/2+y,z' loop_ _atom_type_symbol _atom_type_oxidation_number Fe0 0.000 C0 0.000 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 Fe0 4 c 0.205 0.1987 0. 1. 0 d Fe2 Fe0 8 d 0.055 0.4325 0.3156 1. 0 d C1 C0 4 c 0.181 0.415 0. 1. 0 d