data_[Na4Cd4Ir2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  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 [C2/m]
_cell_length_a [5.8932]
_cell_length_b [9.6769]
_cell_length_c [5.8017]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.6385]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na2Cd2IrO6]
_chemical_formula_sum '[Na4 Cd4 Ir2 O12]'
_cell_volume [311.6105]
_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
[
  Na  Na0  4  0.0000  0.1694  0.0000  1.0
  Cd  Cd1  4  0.0000  0.3404  0.5000  1.0
  Ir  Ir2  2  0.0000  0.0000  0.5000  1.0
  O  O3  8  0.2046  0.1465  0.7019  1.0
  O  O4  4  0.2080  0.0000  0.2957  1.0
]