#------------------------------------------------------------------------------ #$Date: 2013-03-28 18:17:04 +0200 (Thu, 28 Mar 2013) $ #$Revision: 77586 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/01/09/1010936.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_1010936 loop_ _publ_author_name 'Hendricks, B S' _publ_section_title 'The Crystal Structure of Cementite' _journal_coden_ASTM ZEKGAX _journal_name_full ; Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik, Kristallchemie (-144,1977) ; _journal_page_first 534 _journal_page_last 545 _journal_volume 74 _journal_year 1930 _chemical_compound_source synthetic _chemical_formula_structural 'Fe3 C' _chemical_formula_sum 'Fe3 C' _chemical_name_mineral Cohenite _chemical_name_systematic 'Iron carbide (3/1)' _symmetry_cell_setting orthorhombic _symmetry_Int_Tables_number 62 _symmetry_space_group_name_H-M 'P b n m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 4.518 _cell_length_b 5.069 _cell_length_c 6.736 _cell_volume 154.3 _cod_database_code 1010936 loop_ _symmetry_equiv_pos_as_xyz x,y,z 1/2-x,1/2+y,1/2-z -x,-y,1/2+z 1/2+x,1/2-y,-z -x,-y,-z 1/2+x,1/2-y,1/2+z x,y,1/2-z 1/2-x,1/2+y,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 Fe1 Fe0 8 d 0.34(2) 0.17(2) 0.065(15) 1. 0 d Fe2 Fe0 4 c -0.16(3) 0.05(2) 0.25 1. 0 d C1 C0 4 a 0. 0. 0. 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Fe0 0.000 C0 0.000