data_[Na6Pd8Pb8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Pd  2.2000  1.4000  0.8462
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.3667]
_cell_length_b [8.2336]
_cell_length_c [14.9401]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Na3(PdPb)4]
_chemical_formula_sum '[Na6 Pd8 Pb8]'
_cell_volume [537.1526]
_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  0.0000  0.1122  1.0
  Na  Na1  2  0.0000  0.5000  0.0000  1.0
  Pd  Pd2  4  0.0000  0.3330  0.5000  1.0
  Pd  Pd3  4  0.0000  0.5000  0.2230  1.0
  Pb  Pb4  8  0.0000  0.2022  0.3337  1.0
]