data_global _amcsd_formula_title 'D0.3 Mg2 Ni' loop_ _publ_author_name 'Darriet B' 'Soubeyroux J' 'Pezat M' 'Fruchart D' _journal_name_full 'Journal of the Less-Common Metals' _journal_volume 103 _journal_year 1984 _journal_page_first 153 _journal_page_last 162 _publ_section_title ; Structural and hydrogen diffusion study in the Mg2 Ni H2 system _cod_database_code 1008286 ; _database_code_amcsd 0016208 _chemical_formula_sum 'Ni Mg2 D.26' _cell_length_a 5.256 _cell_length_b 5.256 _cell_length_c 13.435 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 321.425 _exptl_crystal_density_diffrn 3.342 _symmetry_space_group_name_H-M 'P 62 2 2' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,x-y,1/3-z' 'x-y,x,1/3+z' 'y,x,2/3-z' '-y,x-y,2/3+z' '-x+y,y,-z' '-x,-y,z' '-x,-x+y,1/3-z' '-x+y,-x,1/3+z' '-y,-x,2/3-z' 'y,-x+y,2/3+z' 'x-y,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Ni1 0.00000 0.00000 0.50000 1.00000 Ni2 0.50000 0.00000 0.50000 1.00000 Mg1 0.50000 0.00000 0.12200 1.00000 Mg2 0.15600 0.31200 0.00000 1.00000 D1 0.48100 0.29000 0.50900 0.13000