#------------------------------------------------------------------------------ #$Date: 2008-01-26 15:05:32 +0200 (Sat, 26 Jan 2008) $ #$Revision: 19 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/1008998.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_1008998 _chemical_name_systematic 'Erbium iron boride (2/14/1)' _chemical_formula_structural 'Er2 Fe14 B' _chemical_formula_sum 'B Er2 Fe14' _publ_section_title ; Structural and magnetic properties of RE2 Fe14 B H(D)x; RE= Y, Ce, Er ; loop_ _publ_author_name 'Dalmas=de=Reotier, P' 'Fruchart, D' 'Pontonnier, L' 'Vaillant, F' 'Wolfers, P' 'Yaouanc, A' 'Coey, J M D' 'Fruchart, R' 'L'Heritier, P' _journal_name_full 'Journal of the Less-Common Metals' _journal_coden_ASTM JCOMAH _journal_volume 129 _journal_year 1987 _journal_page_first 133 _journal_page_last 144 _cell_length_a 8.7495(5) _cell_length_b 8.7495 _cell_length_c 11.9508(10) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 914.9 _cell_formula_units_Z 4 _symmetry_space_group_name_H-M 'P 42/m n m' _symmetry_Int_Tables_number 136 _symmetry_cell_setting tetragonal loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-x,-y,z' '1/2+x,1/2-y,1/2+z' '1/2-x,1/2+y,1/2+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' 'y,x,z' '-y,-x,z' '1/2-y,1/2+x,1/2+z' '1/2+y,1/2-x,1/2+z' '-y,-x,-z' 'y,x,-z' '1/2+y,1/2-x,1/2-z' '1/2-y,1/2+x,1/2-z' loop_ _atom_type_symbol _atom_type_oxidation_number Er0 0.000 Fe0 0.000 B0 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 4 f 0.151(7) 0.151 0. 1. 0 d Er2 Er0 4 g 0.739(7) 0.261 0. 1. 0 d Fe1 Fe0 4 c 0. 0.5 0. 1. 0 d Fe2 Fe0 4 e 0. 0. 0.36(1) 1. 0 d Fe3 Fe0 8 j 0.412(8) 0.412 0.305(5) 1. 0 d Fe4 Fe0 8 j 0.183(8) 0.183 0.261(8) 1. 0 d Fe5 Fe0 16 k 0.728(8) 0.053(9) 0.384(6) 1. 0 d Fe6 Fe0 16 k 0.480(7) 0.149(9) 0.320(4) 1. 0 d B1 B0 4 f 0.39(2) 0.39 0. 1. 0 d _refine_ls_R_factor_all 0.115