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 1008287 ; _database_code_amcsd 0016209 _chemical_formula_sum 'Ni Mg2 D.235' _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 3.341 _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 0.12300 1.00000 Mg2 0.15800 0.31600 0.00000 1.00000 D1 0.32000 0.20000 0.54000 0.05000 D2 0.67000 0.34000 0.50000 0.13500