data_[Ba18Cd3O9]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Cd  1.6900  1.5500  1.0900
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [7.4437]
_cell_length_b [7.4437]
_cell_length_c [20.0952]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [Ba6CdO3]
_chemical_formula_sum '[Ba18 Cd3 O9]'
_cell_volume [964.2783]
_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
[
  Ba  Ba0  9  0.0089  0.3650  0.5909  1
  Ba  Ba1  9  0.1149  0.7735  0.4170  1
  Cd  Cd2  3  0.0000  0.0000  0.1070  1
  O  O3  3  0.0000  0.0000  0.3340  1
  O  O4  3  0.0000  0.0000  0.6760  1
  O  O5  3  0.0000  0.0000  0.8592  1
]