data_[Na6Hf2Cd4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Hf  1.3000  1.5500  0.8500
  Cd  1.6900  1.5500  1.0900
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [5.7730]
_cell_length_b [9.8851]
_cell_length_c [5.9152]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.7284]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na3HfCd2O6]
_chemical_formula_sum '[Na6 Hf2 Cd4 O12]'
_cell_volume [317.7442]
_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  0.1720  0.5000  1.0
  Na  Na1  2  0.0000  0.5000  0.5000  1.0
  Hf  Hf2  2  0.0000  0.0000  0.0000  1.0
  Cd  Cd3  4  0.0000  0.3331  0.0000  1.0
  O  O4  8  0.2230  0.1519  0.2202  1.0
  O  O5  4  0.2318  0.0000  0.7860  1.0
]