data_[Sn2Pb2Cl8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sn  1.9600  1.4500  0.8300
  Pb  2.3300  1.8000  1.1225
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [15.4408]
_cell_length_b [4.3036]
_cell_length_c [18.4676]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [SnPbCl4]
_chemical_formula_sum '[Sn2 Pb2 Cl8]'
_cell_volume [1227.1855]
_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
[
  Sn  Sn0  2  0.1306  0.7500  0.4809  1
  Pb  Pb1  2  0.3716  0.2500  0.4997  1
  Cl  Cl2  2  0.0700  0.2500  0.5633  1
  Cl  Cl3  2  0.2304  0.2500  0.4061  1
  Cl  Cl4  2  0.2670  0.7500  0.5721  1
  Cl  Cl5  2  0.4507  0.7500  0.4206  1
]