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 1008704
;
_database_code_amcsd 0016590
_chemical_formula_sum 'I3 O9 N H4'
_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      4.017
_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   0.80997   0.18942   0.75206
I2   0.24046   0.73219   0.77990
I3   0.30239   0.20097   0.78134
O1   0.77150   0.42800   0.60080
O2   0.84090   0.09260   0.56960
O3   0.13130   0.54890   0.82660
O4   0.47030   0.65980   0.61330
O5   0.47080   0.22620   0.84100
O6   0.05230   0.18530   0.66830
O7   0.39500  -0.01890   0.75170
O8   0.26720   0.64420   0.00690
O9   0.12420   0.14060   0.03410
N1   0.72960   0.72630   0.76040
H1   0.79500   0.78300   0.80900
H2   0.76900   0.73100   0.64800
H3   0.62000   0.81000   0.80000
H4   0.69900   0.61800   0.84200