data_[Na2Bi1Pb1Cl8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Bi  2.0200  1.6000  1.0350
  Pb  2.3300  1.8000  1.1225
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [6.4647]
_cell_length_b [8.5385]
_cell_length_c [6.5966]
_cell_angle_alpha [90.0000]
_cell_angle_beta [94.5280]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [Na2BiPbCl8]
_chemical_formula_sum '[Na2 Bi1 Pb1 Cl8]'
_cell_volume [362.9879]
_cell_formula_units_Z [1]
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  0.5000  0.2443  0.5000  1.0
  Bi  Bi1  1  0.0000  0.0000  0.0000  1.0
  Pb  Pb2  1  0.0000  0.5000  0.0000  1.0
  Cl  Cl3  4  0.2076  0.2467  0.8304  1.0
  Cl  Cl4  2  0.2771  0.0000  0.3242  1.0
  Cl  Cl5  2  0.2916  0.5000  0.3161  1.0
]