data_global _chemical_name_mineral 'Tulameenite' loop_ _publ_author_name 'Bayliss P' _journal_name_full 'The Canadian Mineralogist' _journal_volume 28 _journal_year 1990 _journal_page_first 751 _journal_page_last 755 _publ_section_title ; Revised unit cell dimensions, space group, and chemical formula of some metallic minerals ; _database_code_amcsd 0005244 _chemical_formula_sum '(Cu.5 Fe.5) Pt' _cell_length_a 2.7477 _cell_length_b 2.7477 _cell_length_c 3.5870 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 27.081 _exptl_crystal_density_diffrn 15.622 _symmetry_space_group_name_H-M 'P 4/m m m' loop_ _space_group_symop_operation_xyz 'x,y,z' '-y,-x,z' 'y,x,-z' 'y,-x,-z' '-y,x,z' 'x,-y,z' '-x,y,-z' 'x,y,-z' '-x,-y,z' 'y,x,z' '-y,-x,-z' '-y,x,-z' 'y,-x,z' '-x,y,z' 'x,-y,-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Cu 0.50000 0.50000 0.50000 0.50000 Fe 0.50000 0.50000 0.50000 0.50000 Pt 0.00000 0.00000 0.00000 1.00000