data_La2SnPb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.56
_cell_length_b   6.56
_cell_length_c   6.56
_cell_angle_alpha   139.28
_cell_angle_beta   135.97
_cell_angle_gamma   61.52
_symmetry_Int_Tables_number   1
_chemical_formula_structural   La2SnPb
_chemical_formula_sum   'La2 Sn1 Pb1'
_cell_volume   126.42
_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  0.46  0.59  1.0
  La  La1  1  0.0  0.0  0.84  1.0
  Sn  Sn3  1  0.0  0.0  0.32  1.0
  Pb  Pb2  1  0.0  0.46  0.15  1.0

data_La2SnPb
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.56
_cell_length_b   4.92
_cell_length_c   6.56
_cell_angle_alpha   112.01
_cell_angle_beta   110.36
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   La2SnPb
_chemical_formula_sum   'La2 Sn1 Pb1'
_cell_volume   126.42
_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  0.84  0.84  1.0
  La  La1  1  0.54  0.13  0.13  1.0
  Sn  Sn2  1  0.0  0.32  0.32  1.0
  Pb  Pb3  1  0.54  0.69  0.69  1.0

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