data_AlSiSn2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.63
_cell_length_b   5.63
_cell_length_c   5.63
_cell_angle_alpha   134.57
_cell_angle_beta   134.57
_cell_angle_gamma   66.19
_symmetry_Int_Tables_number   1
_chemical_formula_structural   AlSiSn2
_chemical_formula_sum   'Al1 Si1 Sn2'
_cell_volume   88.95
_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
  Al  Al0  1  0.0  0.0  0.0  1.0
  Si  Si1  1  0.17  0.0  0.36  1.0
  Sn  Sn2  1  0.0  0.0  0.71  1.0
  Sn  Sn3  1  0.0  0.17  0.36  1.0

data_AlSiSn2
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.34
_cell_length_b   4.34
_cell_length_c   5.63
_cell_angle_alpha   112.71
_cell_angle_beta   112.71
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   AlSiSn2
_chemical_formula_sum   'Al1 Si1 Sn2'
_cell_volume   88.95
_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
  Al  Al0  1  0.0  0.0  0.0  1.0
  Si  Si1  1  0.64  0.0  0.82  1.0
  Sn  Sn2  1  0.29  0.0  0.29  1.0
  Sn  Sn3  1  0.82  0.17  0.82  1.0

Al Si Sn Sn