data_global _chemical_name_mineral 'Iridarsenite' loop_ _publ_author_name 'Kjekshus A' _journal_name_full 'Acta Chemica Scandinavica' _journal_volume 25 _journal_year 1971 _journal_page_first 411 _journal_page_last 422 _publ_section_title ; On the properties of binary compounds with the CoSb2 type crystal structure ; _database_code_amcsd 0011926 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Ir As2' _cell_length_a 6.0549 _cell_length_b 6.0717 _cell_length_c 6.1587 _cell_angle_alpha 90 _cell_angle_beta 113.197 _cell_angle_gamma 90 _cell_volume 208.111 _exptl_crystal_density_diffrn 10.917 _symmetry_space_group_name_H-M 'P 1 21/c 1' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2-y,1/2+z' '-x,1/2+y,1/2-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Ir 0.28200 0.00000 0.29300 As1 0.33800 0.36600 0.18200 As2 0.15100 0.62500 0.37000