#------------------------------------------------------------------------------ #$Date: 2010-03-31 16:32:11 +0300 (Wed, 31 Mar 2010) $ #$Revision: 1063 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/1008886.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_1008886 _chemical_name_systematic 'Yttrium iron germanide (1/6/6)' _chemical_formula_structural 'Y Fe6 Ge6' _chemical_formula_sum 'Fe6 Ge6 Y' _publ_section_title ; The Fe ordering in R Fe6 Ge6 compounds with non-magnetic R (R = Y, Lu, Hf) studied by neutron diffraction and magnetic measurements ; loop_ _publ_author_name 'Schobinger-Papamantellos, P' 'Buschow, K H J' 'de Boer, F R' 'Ritter, C' 'Isnard, O' 'Fauth, F' _journal_name_full 'Journal of Alloys Compd.' _journal_coden_ASTM JALCEU _journal_volume 267 _journal_year 1998 _journal_page_first 59 _journal_page_last 65 _cell_length_a 8.11975(10) _cell_length_b 17.72995(3) _cell_length_c 5.11821(1) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 736.8 _cell_formula_units_Z 4 _symmetry_space_group_name_H-M 'C m c m' _symmetry_Int_Tables_number 63 _symmetry_cell_setting orthorhombic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' 'x,-y,-z' 'x,y,1/2-z' 'x,-y,1/2+z' '-x,-y,-z' '-x,y,z' '-x,-y,1/2+z' '-x,y,1/2-z' '1/2+x,1/2+y,z' '1/2+x,1/2-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,-z' '1/2-x,1/2+y,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 Y0 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 Y1 Y0 4 c 0. 0.1292(8) 0.25 0.760(8) 0 d Y2 Y0 4 c 0. 0.1208(8) 0.25 0.240(8) 0 d Ge1 Ge0 4 c 0. 0.0373(5) 0.75 1. 0 d Ge2 Ge0 4 c 0.5 0.0373(5) 0.75 1. 0 d Ge3 Ge0 4 c 0. 0.2103(7) 0.75 1. 0 d Ge4 Ge0 4 c 0.5 0.2051(8) 0.75 1. 0 d Ge5 Ge0 8 g 0.3469(3) 0.1237(6) 0.25 0.760(8) 0 d Ge6 Ge0 8 g 0.8469(3) 0.1263(6) 0.25 0.240(8) 0 d Fe1 Fe0 8 d 0.25 0.25 0. 1. 0 d Fe2 Fe0 8 e 0.2517(5) 0. 0. 1. 0 d Fe3 Fe0 8 g 0.2511(5) 0.1261(6) 0.75 1. 0 d _refine_ls_R_factor_all 0.044 _cod_database_code 1008886