data_[Na24Pb16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Fdd2]
_cell_length_a [11.7653]
_cell_length_b [17.5959]
_cell_length_c [5.7695]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [43]
_chemical_formula_structural [Na3Pb2]
_chemical_formula_sum '[Na24 Pb16]'
_cell_volume [1194.4091]
_cell_formula_units_Z [8]
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  16  0.0209  0.3975  0.0936  1.0
  Na  Na1  8  0.0000  0.0000  0.0892  1.0
  Pb  Pb2  16  0.0117  0.3005  0.6118  1.0
]