data_global _chemical_name_mineral 'Melonite' loop_ _publ_author_name 'Peacock M A' 'Thompson R M' _journal_name_full 'American Mineralogist' _journal_volume 31 _journal_year 1946 _journal_page_first 204 _journal_page_last 204 _publ_section_title ; On melonite from Quebec and the crystal structure of NiTe2 ; _database_code_amcsd 0000033 _chemical_formula_sum 'Ni Te2' _cell_length_a 3.835 _cell_length_b 3.835 _cell_length_c 5.255 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 66.932 _exptl_crystal_density_diffrn 7.787 _symmetry_space_group_name_H-M 'P -3 m 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '-y,-x,z' 'y,-x+y,-z' '-x,-x+y,-z' '-x+y,-x,z' '-x+y,y,z' '-x,-y,-z' 'y,x,-z' '-y,x-y,z' 'x,x-y,z' 'x-y,x,-z' 'x-y,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Ni 0.00000 0.00000 0.00000 Te 0.33333 0.66667 0.25000