data_global _chemical_name_mineral 'Tolovkite' loop_ _publ_author_name 'Bayliss P' _journal_name_full 'American Mineralogist' _journal_volume 74 _journal_year 1989 _journal_page_first 1168 _journal_page_last 1176 _publ_section_title ; Crystal chemistry and crystallography of some minerals within the pyrite group ; _database_code_amcsd 0001275 _chemical_formula_sum 'Ir Sb S' _cell_length_a 6.025 _cell_length_b 6.025 _cell_length_c 6.025 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 218.711 _exptl_crystal_density_diffrn 10.509 _symmetry_space_group_name_H-M 'P c a 21' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,-y,z' '1/2-x,y,1/2+z' '-x,-y,1/2+z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Ir -0.00670 0.26120 0.00220 0.00253 Sb 0.37760 0.62760 0.37760 0.00507 S 0.62240 0.87240 0.62240 0.01013