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 [11.9942]
_cell_length_b [5.6446]
_cell_length_c [8.4636]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.3687]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Na2LiPb2]
_chemical_formula_sum '[Na8 Li4 Pb8]'
_cell_volume [537.1773]
_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  0.1968  0.3385  0.6485  1
  Li  Li1  4  0.0000  0.3053  0.2500  1
  Pb  Pb2  8  0.0897  0.1756  0.9475  1
]