data_[Fe4Pb2Cl2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Fe  1.8300  1.4000  0.8525
  Pb  2.3300  1.8000  1.1225
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [3.0301]
_cell_length_b [5.5326]
_cell_length_c [8.6878]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Fe2PbCl]
_chemical_formula_sum '[Fe4 Pb2 Cl2]'
_cell_volume [145.6460]
_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
[
  Fe  Fe0  4  0.0000  0.0000  0.2268  1
  Pb  Pb1  2  0.0000  0.5000  0.0000  1
  Cl  Cl2  2  0.0000  0.5000  0.5000  1
]