data_[Tl3Cd6Ir3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tl  1.6200  1.9000  1.3325
  Cd  1.6900  1.5500  1.0900
  Ir  2.2000  1.3500  0.7650
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [5.7301]
_cell_length_b [5.7301]
_cell_length_c [14.4694]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [TlCd2IrO6]
_chemical_formula_sum '[Tl3 Cd6 Ir3 O18]'
_cell_volume [411.4441]
_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
[
  Tl  Tl0  3  0.0000  0.0000  0.2018  1
  Cd  Cd1  3  0.0000  0.0000  0.4603  1
  Cd  Cd2  3  0.0000  0.0000  0.9734  1
  Ir  Ir3  3  0.0000  0.0000  0.6807  1
  O  O4  9  0.0210  0.3918  0.4154  1
  O  O5  9  0.0648  0.6677  0.2587  1
]