data_[Na8Li4Pb8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Li  0.9800  1.4500  0.9000
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [12.1003]
_cell_length_b [5.6695]
_cell_length_c [8.4853]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.4641]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Na2LiPb2]
_chemical_formula_sum '[Na8 Li4 Pb8]'
_cell_volume [545.3713]
_cell_formula_units_Z [4]
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  8  0.1966  0.3386  0.1485  1.0
  Li  Li1  4  0.0000  0.3044  0.7500  1.0
  Pb  Pb2  8  0.0887  0.1737  0.4475  1.0
]