#------------------------------------------------------------------------------ #$Date: 2009-11-18 14:56:34 +0000 (Wed, 18 Nov 2009) $ #$Revision: 858 $ #$URL: svn://www.crystallography.net/cod/cif/1/1008683.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_1008683 _chemical_name_systematic ; Zirconium chromium nickel deuteride (1/1.8/0.2/3.53) ; _chemical_formula_structural 'Zr (Cr0.9 Ni0.1)2 D3.525' _chemical_formula_sum 'Cr1.8 D3.525 Ni0.2 Zr' _[local]_cod_chemical_formula_sum_orig 'D3.525 Cr1.8 Ni.2 Zr' _publ_section_title ; Phase stability and neutron diffraction studies of Laves phases Zr (Cr1- x Mx)2 with M =Mn,Fe,Co,Ni,Cu and 0 < x <0.2 and their hydrides ; loop_ _publ_author_name 'Soubeyroux, J L' 'Bououdina, M' 'Fruchart, D' 'Pontonnier, L' _journal_name_full 'Journal of Alloys Compd.' _journal_coden_ASTM JALCEU _journal_volume 219 _journal_year 1995 _journal_page_first 48 _journal_page_last 54 _cell_length_a 5.367(2) _cell_length_b 5.367(2) _cell_length_c 8.793(3) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 219.3 _cell_formula_units_Z 4 _symmetry_space_group_name_H-M 'P 63/m m c' _symmetry_Int_Tables_number 194 _symmetry_cell_setting hexagonal loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-y,x-y,z' 'y-x,-x,z' '-y,-x,z' 'y-x,y,z' 'x,x-y,z' '-x,-y,-z' 'y,y-x,-z' 'x-y,x,-z' 'y,x,-z' 'x-y,-y,-z' '-x,y-x,-z' '-x,-y,1/2+z' 'y,y-x,1/2+z' 'x-y,x,1/2+z' 'y,x,1/2+z' 'x-y,-y,1/2+z' '-x,y-x,1/2+z' 'x,y,1/2-z' '-y,x-y,1/2-z' 'y-x,-x,1/2-z' '-y,-x,1/2-z' 'y-x,y,1/2-z' 'x,x-y,1/2-z' loop_ _atom_type_symbol _atom_type_oxidation_number Zr0 0.000 Cr0 0.000 Ni0 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 Zr1 Zr0 4 f 0.3333 0.6667 0.4362(7) 1. 0 d Cr1 Cr0 2 a 0. 0. 0. 0.9 0 d Ni1 Ni0 2 a 0. 0. 0. 0.1 0 d Cr2 Cr0 6 h 0.834(2) 0.668(4) 0.25 0.9 0 d Ni2 Ni0 6 h 0.834(2) 0.668(4) 0.25 0.1 0 d D1 D0 24 l 0.0466 0.3387 0.5562 0.275(5) 0 d D2 D0 12 k 0.4593 0.9186 0.6244 0.31(2) 0 d D3 D0 6 h 0.4585 0.917 0.25 0.430(22) 0 d D4 D0 6 h 0.202 0.404 0.25 0.20(4) 0 d _refine_ls_R_factor_all 0.032