data_[Na6Tl4Cd8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Tl  1.6200  1.9000  1.3325
  Cd  1.6900  1.5500  1.0900
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.2944]
_cell_length_b [5.2486]
_cell_length_c [9.7048]
_cell_angle_alpha [90.0000]
_cell_angle_beta [123.2281]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na3(TlCd2)2]
_chemical_formula_sum '[Na6 Tl4 Cd8]'
_cell_volume [481.2352]
_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  0.1671  0.5000  0.6665  1.0
  Na  Na1  2  0.0000  0.0000  0.0000  1.0
  Tl  Tl2  4  0.1139  0.5000  0.2772  1.0
  Cd  Cd3  4  0.0472  0.0000  0.3858  1.0
  Cd  Cd4  4  0.2303  0.5000  0.0563  1.0
]