data_LaSi2Sn
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.41
_cell_length_b   5.41
_cell_length_c   5.2
_cell_angle_alpha   107.96
_cell_angle_beta   107.96
_cell_angle_gamma   40.79
_symmetry_Int_Tables_number   1
_chemical_formula_structural   LaSi2Sn
_chemical_formula_sum   'La1 Si2 Sn1'
_cell_volume   94.05
_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  0.08  0.0  0.12  1.0
  Si  Si1  1  0.18  0.0  0.53  1.0
  Si  Si2  1  0.57  0.0  0.8  1.0
  Sn  Sn3  1  0.26  0.0  0.83  1.0

data_LaSi2Sn
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.77
_cell_length_b   5.2
_cell_length_c   5.41
_cell_angle_alpha   107.96
_cell_angle_beta   110.4
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   LaSi2Sn
_chemical_formula_sum   'La1 Si2 Sn1'
_cell_volume   94.05
_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  0.12  0.08  1.0
  Si  Si1  1  0.0  0.53  0.18  1.0
  Si  Si2  1  0.0  0.8  0.57  1.0
  Sn  Sn3  1  0.0  0.83  0.26  1.0

La Si Si Sn