data_Bi2PbCl
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.51
_cell_length_b   5.59
_cell_length_c   6.26
_cell_angle_alpha   90.0
_cell_angle_beta   102.18
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Bi2PbCl
_chemical_formula_sum   'Bi2 Pb1 Cl1'
_cell_volume   120.2
_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
  Bi  Bi0  1  0.87  0.8  0.59  1.0
  Bi  Bi1  1  0.32  0.8  0.52  1.0
  Pb  Pb3  1  0.1  0.0  0.06  1.0
  Cl  Cl2  1  0.0  0.0  0.0  1.0

data_Bi2PbCl
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.51
_cell_length_b   5.59
_cell_length_c   6.26
_cell_angle_alpha   90.0
_cell_angle_beta   102.18
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Bi2PbCl
_chemical_formula_sum   'Bi2 Pb1 Cl1'
_cell_volume   120.2
_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
  Bi  Bi0  1  0.32  0.8  0.52  1.0
  Bi  Bi1  1  0.87  0.8  0.59  1.0
  Pb  Pb2  1  0.1  0.0  0.06  1.0
  Cl  Cl3  1  0.0  0.0  0.0  1.0

Bi Bi Pb Cl