data_global _amcsd_formula_title 'I Na O4' loop_ _publ_author_name 'Kirkpatrick L' 'Dickinson R' _journal_name_full 'Journal of the American Chemical Society' _journal_volume 48 _journal_year 1927 _journal_page_first 2327 _journal_page_last 2334 _publ_section_title ; The crystal structure of sodium periodate _cod_database_code 1010624 ; _database_code_amcsd 0017506 _chemical_formula_sum 'Na I' _cell_length_a 5.322 _cell_length_b 5.322 _cell_length_c 11.93 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 337.902 _exptl_crystal_density_diffrn 2.946 _symmetry_space_group_name_H-M 'I 41/a' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,1/2+z' '1/4+y,3/4-x,1/4-z' '3/4+y,1/4-x,3/4-z' '1/4-y,3/4+x,1/4+z' '3/4-y,1/4+x,3/4+z' '1/2+x,y,1/2-z' '+x,1/2+y,-z' '1/2-x,-y,1/2+z' '-x,1/2-y,+z' '1/4-y,1/4+x,3/4-z' '3/4-y,3/4+x,1/4-z' '1/4+y,1/4-x,3/4+z' '3/4+y,3/4-x,1/4+z' '-x,-y,-z' '1/2-x,1/2-y,1/2-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Na1 0.00000 0.75000 0.12500 I1 0.00000 0.75000 0.62500