data_[Rb4H2I2O2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  H  2.2000  0.2500  0.0000
  I  2.6600  1.4000  1.2733
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.5334]
_cell_length_b [4.5760]
_cell_length_c [9.5417]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.7540]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Rb2HIO]
_chemical_formula_sum '[Rb4 H2 I2 O2]'
_cell_volume [311.4641]
_cell_formula_units_Z [2]
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
[
  Rb  Rb0  2  0.2977  0.7500  0.0310  1.0
  Rb  Rb1  2  0.3009  0.7500  0.6290  1.0
  H  H2  2  0.1885  0.2500  0.7983  1.0
  I  I3  2  0.1720  0.2500  0.2990  1.0
  O  O4  2  0.3254  0.2500  0.8328  1.0
]