#------------------------------------------------------------------------------ #$Date: 2010-01-30 13:59:17 +0000 (Sat, 30 Jan 2010) $ #$Revision: 966 $ #$URL: svn://www.crystallography.net/cod/cif/1/1006126.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_1006126 _chemical_name_systematic 'Erbium iron germanide (1/6/6)' _chemical_formula_structural 'Er Fe6 Ge6' _chemical_formula_sum 'Er Fe6 Ge6' _publ_section_title ; Crystal structure and magnetic ordering in Er Fe6 Ge6 studied by X-ray, neutron diffraction and magnetic measurements ; loop_ _publ_author_name 'Oleksyn, O' 'Schobinger-Papamantellos, P' 'Rodriguez-Carvajal, J' 'Brueck, E' 'Buschow, K H J' _journal_name_full 'Journal of Alloys Compd.' _journal_coden_ASTM JALCEU _journal_volume 257 _journal_year 1997 _journal_page_first 36 _journal_page_last 45 _cell_length_a 8.0991(1) _cell_length_b 26.5293(9) _cell_length_c 5.10721(1) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1097.4 _cell_formula_units_Z 6 _symmetry_space_group_name_H-M 'I m m m' _symmetry_Int_Tables_number 71 _symmetry_cell_setting orthorhombic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' 'x,-y,-z' '-x,y,-z' '-x,-y,z' '-x,-y,-z' '-x,y,z' 'x,-y,z' 'x,y,-z' '1/2+x,1/2+y,1/2+z' '1/2+x,1/2-y,1/2-z' '1/2-x,1/2+y,1/2-z' '1/2-x,1/2-y,1/2+z' '1/2-x,1/2-y,1/2-z' '1/2-x,1/2+y,1/2+z' '1/2+x,1/2-y,1/2+z' '1/2+x,1/2+y,1/2-z' loop_ _atom_type_symbol _atom_type_oxidation_number Er0 0.000 Ge0 0.000 Fe0 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 Er1 Er0 2 a 0. 0. 0. 0.640(8) 0 d Er2 Er0 4 h 0. 0.1677(4) 0.5 0.600(8) 0 d Er3 Er0 2 b 0.5 0. 0. 0.360(8) 0 d Er4 Er0 4 g 0.5 0.1677(4) 0.5 0.400(8) 0 d Ge1 Ge0 4 e 0.3592(6) 0. 0. 0.776(16) 0 d Ge2 Ge0 8 n 0.3592(6) 0.1677(4) 0.5 0.732(12) 0 d Ge3 Ge0 4 e 0.815(2) 0. 0. 0.184(16) 0 d Ge4 Ge0 8 n 0.815(2) 0.1677(4) 0.5 0.268(12) 0 d Ge5 Ge0 4 h 0. 0.0570(5) 0.5 1. 0 d Ge6 Ge0 4 g 0.5 0.0570(5) 0.5 1. 0 d Ge7 Ge0 4 g 0. 0.114(1) 0. 1. 0 d Ge8 Ge0 4 h 0.5 0.114(1) 0. 1. 0 d Ge9 Ge0 4 g 0. 0.228(2) 0. 1. 0 d Ge10 Ge0 4 h 0.5 0.228(2) 0. 1. 0 d Fe1 Fe0 4 f 0.2557(9) 0. 0.5 1. 0 d Fe2 Fe0 8 k 0.25 0.25 0.25 1. 0 d Fe3 Fe0 8 n 0.2557(9) 0.3320(28) 0.5 1. 0 d Fe4 Fe0 16 o 0.2557(9) 0.0830(7) 0.251(4) 1. 0 d _refine_ls_R_factor_all 0.064 _cod_database_code 1006126