data_1008949 _chemical_name_systematic 'Yttrium iron boride deuteride (2/14/1/3.5)' _chemical_formula_structural 'Y2 Fe14 B D3.47' _chemical_formula_sum 'D3.47 B Fe14 Y2' _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 8.880(1) _cell_length_b 8.88 _cell_length_c 12.114(1) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 955.2 _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 Y0 0.000 Fe0 0.000 B0 0.000 D0 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 f 0.157(7) 0.157 0. 1. 0 d Y2 Y0 4 g 0.735(8) -0.735 0. 1. 0 d Fe1 Fe0 4 c 0. 0.5 0. 1. 0 d Fe2 Fe0 16 k 0.723(5) 0.073(4) 0.362(5) 1. 0 d Fe3 Fe0 16 k 0.462(4) 0.143(4) 0.322(4) 1. 0 d Fe4 Fe0 8 j 0.188(5) 0.188 0.255(4) 1. 0 d Fe5 Fe0 8 j 0.401(4) 0.401 0.304(5) 1. 0 d Fe6 Fe0 4 e 0. 0. 0.382(7) 1. 0 d B1 B0 4 f 0.398(20) 0.398 0. 1. 0 d D1 D0 8 j 0.435 0.435 0.415 0.27 0 d D2 D0 16 k 0.405 0.28 0.4 0.5 0 d D3 D0 16 k 0.45 0.18 0.45 0.13 0 d D4 D0 4 e 0. 0. 0.11 0.41 0 d _refine_ls_R_factor_all 0.093