data_[Na2Ag4Pb16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ag  1.9300  1.6000  1.0867
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [9.3049]
_cell_length_b [13.0682]
_cell_length_c [5.5449]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.3120]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na(AgPb4)2]
_chemical_formula_sum '[Na2 Ag4 Pb16]'
_cell_volume [658.7445]
_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  2  0.0000  0.0000  0.5000  1.0
  Ag  Ag1  4  0.0000  0.3289  0.0000  1.0
  Pb  Pb2  8  0.1977  0.1304  0.1092  1.0
  Pb  Pb3  4  0.0000  0.2548  0.5000  1.0
  Pb  Pb4  4  0.1367  0.5000  0.3415  1.0
]