#------------------------------------------------------------------------------ #$Date: 2012-02-28 14:14:52 +0200 (Tue, 28 Feb 2012) $ #$Revision: 35911 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/00/83/1008359.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_1008359 _chemical_name_systematic 'Potassium dihydrogen triiodate' _chemical_formula_structural 'K H2 (I O3)3' _chemical_formula_sum 'H2 I3 K O9' _publ_section_title ; Crystal structure and proton conductivity of N H~4~ H~2~ (I O~3~)~3~ and K H~2~ (I O~3~)~3~ ; loop_ _publ_author_name 'Bordet, P' 'Boucherle, J-X' 'Santoro, A' 'Marezio, M' _journal_name_full 'Solid State Ionics' _journal_coden_ASTM SSIOD3 _journal_volume 21 _journal_year 1986 _journal_page_first 243 _journal_page_last 254 _cell_length_a 8.266(2) _cell_length_b 8.200(2) _cell_length_c 8.180(2) _cell_angle_alpha 66.08(2) _cell_angle_beta 60.16(2) _cell_angle_gamma 71.06(2) _cell_volume 434.3 _cell_formula_units_Z 2 _symmetry_space_group_name_H-M 'P -1' _symmetry_Int_Tables_number 2 _symmetry_cell_setting triclinic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-x,-y,-z' loop_ _atom_type_symbol _atom_type_oxidation_number I5+ 5.000 O2- -2.000 K1+ 1.000 H1+ 1.000 loop_ _atom_site_label _atom_site_type_symbol _atom_site_symmetry_multiplicity _atom_site_Wyckoff_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_attached_hydrogens _atom_site_calc_flag I1 I5+ 2 i 0.81368(3) 0.18645(3) 0.75488(3) 1. 0 d I2 I5+ 2 i 0.23951(3) 0.73478(3) 0.77795(3) 1. 0 d I3 I5+ 2 i 0.30383(2) 0.20049(2) 0.78194(3) 1. 0 d O1 O2- 2 i 0.7755(3) 0.4272(3) 0.6010(3) 1. 0 d O2 O2- 2 i 0.8348(3) 0.0820(4) 0.5807(4) 1. 0 d O3 O2- 2 i 0.1213(4) 0.5541(4) 0.8212(4) 1. 0 d O4 O2- 2 i 0.4719(3) 0.6591(3) 0.6118(4) 1. 0 d O5 O2- 2 i 0.4647(3) 0.2309(4) 0.8519(4) 1. 0 d O6 O2- 2 i 0.0604(3) 0.1835(3) 0.6602(4) 1. 0 d O7 O2- 2 i 0.4040(3) -0.0211(3) 0.7514(4) 1. 0 d O8 O2- 2 i 0.2635(4) 0.6402(3) 0.0069(4) 1. 0 d O9 O2- 2 i 0.1175(3) 0.1358(3) 0.0325(4) 1. 0 d K1 K1+ 2 i 0.7233(1) 0.7202(1) 0.7623(1) 1. 0 d H1 H1+ 2 i -1. -1. -1. 2. 0 dum _refine_ls_R_factor_all 0.025 _cod_database_code 1008359