data_[Cd8I4O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cd  1.6900  1.5500  1.0900
  I  2.6600  1.4000  1.2733
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [4.0942]
_cell_length_b [11.4208]
_cell_length_c [10.7771]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Cd2IO5]
_chemical_formula_sum '[Cd8 I4 O20]'
_cell_volume [503.9303]
_cell_formula_units_Z [4]
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
[
  Cd  Cd0  8  0.0000  0.1430  0.5700  1.0
  I  I1  4  0.0000  0.1642  0.2500  1.0
  O  O2  8  0.0000  0.0486  0.1217  1.0
  O  O3  8  0.0000  0.2862  0.1071  1.0
  O  O4  4  0.0000  0.3036  0.7500  1.0
]