data_[Na4Pb8Cl20]
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
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [5.7181]
_cell_length_b [13.9378]
_cell_length_c [14.2408]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [NaPb2Cl5]
_chemical_formula_sum '[Na4 Pb8 Cl20]'
_cell_volume [1134.9495]
_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  4  0.0000  0.2054  0.2500  1.0
  Pb  Pb1  8  0.0000  0.1405  0.5639  1.0
  Cl  Cl2  8  0.0000  0.0529  0.1187  1.0
  Cl  Cl3  8  0.0000  0.3150  0.0716  1.0
  Cl  Cl4  4  0.0000  0.2363  0.7500  1.0
]