data_LaSn2Pb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.64
_cell_length_b   10.64
_cell_length_c   10.64
_cell_angle_alpha   19.92
_cell_angle_beta   19.92
_cell_angle_gamma   19.92
_symmetry_Int_Tables_number   1
_chemical_formula_structural   LaSn2Pb
_chemical_formula_sum   'La1 Sn2 Pb1'
_cell_volume   122.24
_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
  La  La0  1  0.0  0.0  0.0  1.0
  Sn  Sn2  1  0.0  0.0  0.75  1.0
  Sn  Sn3  1  0.0  0.0  0.52  1.0
  Pb  Pb1  1  0.0  0.0  0.63  1.0

data_LaSn2Pb
_symmetry_space_group_name_H-M   Cm
_cell_length_a   6.37
_cell_length_b   3.68
_cell_length_c   10.64
_cell_angle_alpha   90.0
_cell_angle_beta   101.52
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   LaSn2Pb
_chemical_formula_sum   'La2 Sn4 Pb2'
_cell_volume   244.49
_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
  La  La0  2  0.0  0.0  0.0  1.0
  Sn  Sn1  2  0.0  0.0  0.25  1.0
  Sn  Sn2  2  0.0  0.0  0.48  1.0
  Pb  Pb3  2  0.0  0.0  0.37  1.0

La Sn Sn Pb
La Sn Sn Pb 0 1 o o - 1 3 o o o 2 3 o o o 