#------------------------------------------------------------------------------ #$Date: 2009-11-16 03:43:51 +0200 (Mon, 16 Nov 2009) $ #$Revision: 853 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/1000244.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_1000244 _chemical_name_systematic 'Iron hexafluoroniobate(IV)' _chemical_formula_structural 'Fe (Nb F6)' _chemical_formula_sum 'F6 Fe Nb' _publ_section_title ; Fluorocomplexes of Niobium IV; VI: Moessbauer study and magnetic structure of Fe Nb F~6~ ; _space_group_IT_number 148 _symmetry_space_group_name_Hall '-R 3' _symmetry_space_group_name_H-M 'R -3 :H' _[local]_cod_cif_authors_sg_H-M 'R -3 H' loop_ _publ_author_name 'Delobbe, V' 'Chassaing, J' 'Bizot, D' 'Quarton, M' 'Lacorre, P' 'Calage, Y' 'Leblanc, M' 'Ferey, G' _journal_name_full 'Journal of Magnetism and Magnetic Materials' _journal_coden_ASTM JMMMDC _journal_volume 74 _journal_year 1988 _journal_page_first 165 _journal_page_last 176 _cell_length_a 5.3942(7) _cell_length_b 5.3942(7) _cell_length_c 14.1457(23) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 356.5 _cell_formula_units_Z 3 _symmetry_cell_setting trigonal loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-y,x-y,z' 'y-x,-x,z' '-x,-y,-z' 'y,y-x,-z' 'x-y,x,-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-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' loop_ _atom_type_symbol _atom_type_oxidation_number F1- -1.000 Fe2+ 2.000 Nb4+ 4.000 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 F1 F1- 18 f 0.2674(14) 0.3504(19) 0.0883(13) 1. 0 d Fe1 Fe2+ 3 a 0. 0. 0. 1. 0 d Nb1 Nb4+ 3 b 0. 0. 0.5 1. 0 d _refine_ls_R_factor_all 0.0373