#------------------------------------------------------------------------------ #$Date: 2016-02-14 16:26:36 +0200 (Sun, 14 Feb 2016) $ #$Revision: 176435 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/00/87/1008720.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_1008720 loop_ _publ_author_name 'Isnard, O' 'Yelon, W B' 'Miraglia, S' 'Fruchart, D' _publ_section_title ; Neutron-diffraction study of the insertion scheme of hydrogen in Nd2 Fe14 B ; _journal_coden_ASTM JAPIAU _journal_issue 3 _journal_name_full 'Journal of Applied Physics' _journal_page_first 1892 _journal_page_last 1898 _journal_paper_doi 10.1063/1.360720 _journal_volume 78 _journal_year 1995 _chemical_formula_analytical 'Nd2 Fe14 B H2' _chemical_formula_structural 'Nd2 Fe14 B H1.86' _chemical_formula_sum 'B Fe14 H1.86 Nd2' _chemical_name_systematic 'Neodymium iron boride hydride (2/14/1/1.86)' _space_group_IT_number 136 _symmetry_cell_setting tetragonal _symmetry_Int_Tables_number 136 _symmetry_space_group_name_Hall '-P 4n 2n' _symmetry_space_group_name_H-M 'P 42/m n m' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 8.869 _cell_length_b 8.869 _cell_length_c 12.294 _cell_volume 967.0 _refine_ls_R_factor_all 0.041 _cod_original_formula_sum 'H1.86 B Fe14 Nd2' _cod_database_code 1008720 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_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 Nd1 Nd0 4 f 0.1438(4) 0.1438(4) 0. 1. 0 d Nd2 Nd0 4 g 0.7271(4) 0.2729(4) 0. 1. 0 d Fe1 Fe0 4 c 0. 0.5 0. 1. 0 d Fe2 Fe0 16 k 0.7244(3) 0.0665(3) 0.3717(2) 1. 0 d Fe3 Fe0 16 k 0.4635(2) 0.1386(3) 0.3245(2) 1. 0 d Fe4 Fe0 8 j 0.1825(2) 0.1825(2) 0.2546(3) 1. 0 d Fe5 Fe0 8 j 0.4012(3) 0.4012(3) 0.2939(2) 1. 0 d Fe6 Fe0 4 e 0. 0. 0.3837(4) 1. 0 d B1 B0 4 f 0.3762(6) 0.3762(6) 0. 1. 0 d H1 H0 8 j 0.4020(16) 0.4020(16) 0.5703(13) 0.41 0 d H2 H0 16 k 0.4329(25) 0.3048(25) 0.5972(14) 0.26 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Nd0 0.000 Fe0 0.000 B0 0.000 H0 0.000