data_global _amcsd_formula_title 'H6 I3 N O9' loop_ _publ_author_name 'Bordet P' 'Boucherle J' 'Santoro A' 'Marezio M' _journal_name_full 'Solid State Ionics' _journal_volume 21 _journal_year 1986 _journal_page_first 243 _journal_page_last 254 _publ_section_title ; Crystal structure and proton conductivity of N H4 H2 (I O3)3 and K H2(I O3)3 _cod_database_code 1008705 ; _database_code_amcsd 0016591 _chemical_formula_sum 'I3 O9 N H6' _cell_length_a 8.396 _cell_length_b 8.363 _cell_length_c 8.207 _cell_angle_alpha 65.57 _cell_angle_beta 60.13 _cell_angle_gamma 70.33 _cell_volume 448.698 _exptl_crystal_density_diffrn 4.032 _symmetry_space_group_name_H-M 'P -1' loop_ _space_group_symop_operation_xyz '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 I1 0.81060 0.18960 0.75220 1.00000 I2 0.24100 0.73160 0.78020 1.00000 I3 0.30230 0.20080 0.78180 1.00000 O1 0.77020 0.42890 0.60080 1.00000 O2 0.83950 0.09320 0.57040 1.00000 O3 0.13000 0.54990 0.82660 1.00000 O4 0.47040 0.66000 0.61370 1.00000 O5 0.46990 0.22570 0.84130 1.00000 O6 0.05150 0.18500 0.66870 1.00000 O7 0.39540 -0.01870 0.75110 1.00000 O8 0.26620 0.64480 0.00670 1.00000 O9 0.12360 0.14020 0.03460 1.00000 N1 0.72910 0.72830 0.76070 1.00000 H1 0.78700 0.76680 0.81300 1.00000 H2 0.81430 0.73230 0.61900 1.00000 H3 0.61600 0.81200 0.76670 1.00000 H4 0.28880 0.39880 0.16050 1.00000 H5 0.36050 0.52240 0.36780 1.00000 H6 -0.02600 0.47500 0.04200 0.50000 H7 0.03900 -0.02200 0.48100 0.50000