data_YPbCl
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.39
_cell_length_b   8.12
_cell_length_c   3.54
_cell_angle_alpha   82.01
_cell_angle_beta   73.29
_cell_angle_gamma   24.7
_symmetry_Int_Tables_number   1
_chemical_formula_structural   YPbCl
_chemical_formula_sum   'Y1 Pb1 Cl1'
_cell_volume   91.98
_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
  Y  Y2  1  1.0  0.92  0.49  1.0
  Pb  Pb1  1  1.0  0.92  0.82  1.0
  Cl  Cl0  1  1.0  0.92  0.17  1.0

data_YPbCl
_symmetry_space_group_name_H-M   Cm
_cell_length_a   4.0
_cell_length_b   15.74
_cell_length_c   3.54
_cell_angle_alpha   90.0
_cell_angle_beta   124.37
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   YPbCl
_chemical_formula_sum   'Y2 Pb2 Cl2'
_cell_volume   183.95
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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
  Y  Y0  2  0.49  0.0  0.48  1.0
  Pb  Pb1  2  0.32  0.5  0.82  1.0
  Cl  Cl2  2  0.17  0.0  0.17  1.0

Y Pb Cl