data_[Na2Cd4Pb16]
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
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [17.6182]
_cell_length_b [4.8782]
_cell_length_c [8.0202]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.4713]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na(CdPb4)2]
_chemical_formula_sum '[Na2 Cd4 Pb16]'
_cell_volume [653.7908]
_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  2  0.0000  0.5000  0.0000  1
  Cd  Cd1  4  0.2256  0.0000  0.6331  1
  Pb  Pb2  4  0.0436  0.0000  0.7249  1
  Pb  Pb3  4  0.0985  0.5000  0.4654  1
  Pb  Pb4  4  0.1467  0.0000  0.2003  1
  Pb  Pb5  4  0.1814  0.5000  0.9160  1
]