data_Ta2AlSn
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.54
_cell_length_b   3.54
_cell_length_c   5.9
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ta2AlSn
_chemical_formula_sum   'Ta2 Al1 Sn1'
_cell_volume   74.14
_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
  Ta  Ta2  1  0.77  0.77  0.54  1.0
  Ta  Ta3  1  0.77  0.77  0.36  1.0
  Al  Al0  1  0.0  0.0  0.0  1.0
  Sn  Sn1  1  0.0  0.0  0.95  1.0

data_Ta2AlSn
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.01
_cell_length_b   5.01
_cell_length_c   5.9
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Ta2AlSn
_chemical_formula_sum   'Ta4 Al2 Sn2'
_cell_volume   148.28
_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
  Ta  Ta0  2  0.27  0.5  0.36  1.0
  Ta  Ta1  2  0.27  0.5  0.54  1.0
  Al  Al2  2  0.0  0.0  0.0  1.0
  Sn  Sn3  2  0.0  0.0  0.95  1.0

Ta Ta Al Sn