data_[Zn3Cd6I3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Zn  1.6500  1.3500  0.8800
  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 [R3]
_cell_length_a [5.5893]
_cell_length_b [5.5893]
_cell_length_c [14.2682]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [ZnCd2IO6]
_chemical_formula_sum '[Zn3 Cd6 I3 O18]'
_cell_volume [386.0314]
_cell_formula_units_Z [3]
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
[
  Zn  Zn0  3  0.0000  0.0000  0.1905  1.0
  Cd  Cd1  3  0.0000  0.0000  0.4572  1.0
  Cd  Cd2  3  0.0000  0.0000  0.9608  1.0
  I  I3  3  0.0000  0.0000  0.6819  1.0
  O  O4  9  0.0018  0.3962  0.4228  1.0
  O  O5  9  0.0710  0.7118  0.2595  1.0
]