data_[Na36Cd18Pb3]
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 [R-3]
_cell_length_a [11.5078]
_cell_length_b [11.5078]
_cell_length_c [14.5986]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Na12Cd6Pb]
_chemical_formula_sum '[Na36 Cd18 Pb3]'
_cell_volume [1674.2750]
_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
[
  Na  Na0  18  0.0333  0.1912  0.8149  1
  Na  Na1  18  0.0607  0.8417  0.4132  1
  Cd  Cd2  18  0.0281  0.4386  0.7008  1
  Pb  Pb3  3  0.0000  0.0000  0.0000  1
]