data_LaSn3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.01
_cell_length_b   10.01
_cell_length_c   10.01
_cell_angle_alpha   21.66
_cell_angle_beta   21.66
_cell_angle_gamma   21.66
_symmetry_Int_Tables_number   1
_chemical_formula_structural   LaSn3
_chemical_formula_sum   'La1 Sn3'
_cell_volume   119.75
_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  0.66  1.0
  Sn  Sn1  1  0.0  0.0  0.79  1.0
  Sn  Sn2  1  0.0  0.0  0.0  1.0
  Sn  Sn3  1  0.0  0.0  0.52  1.0

data_LaSn3
_symmetry_space_group_name_H-M   Cm
_cell_length_a   6.52
_cell_length_b   3.76
_cell_length_c   10.01
_cell_angle_alpha   90.0
_cell_angle_beta   102.53
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   LaSn3
_chemical_formula_sum   'La2 Sn6'
_cell_volume   239.51
_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  0.34  1.0
  Sn  Sn1  2  0.0  0.0  0.0  1.0
  Sn  Sn2  2  0.0  0.0  0.21  1.0
  Sn  Sn3  2  0.0  0.0  0.48  1.0

La Sn Sn Sn