data_global
_amcsd_formula_title 'H2 I3 K 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 1008359
;
_database_code_amcsd 0016270
_chemical_formula_sum 'I3 O9 K'
_cell_length_a 8.266
_cell_length_b 8.200
_cell_length_c 8.180
_cell_angle_alpha 66.08
_cell_angle_beta 60.16
_cell_angle_gamma 71.06
_cell_volume 434.327
_exptl_crystal_density_diffrn      4.311
_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
I1   0.81368   0.18645   0.75488
I2   0.23951   0.73478   0.77795
I3   0.30383   0.20049   0.78194
O1   0.77550   0.42720   0.60100
O2   0.83480   0.08200   0.58070
O3   0.12130   0.55410   0.82120
O4   0.47190   0.65910   0.61180
O5   0.46470   0.23090   0.85190
O6   0.06040   0.18350   0.66020
O7   0.40400  -0.02110   0.75140
O8   0.26350   0.64020   0.00690
O9   0.11750   0.13580   0.03250
K1   0.72330   0.72020   0.76230