data_TaSn2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.14
_cell_length_b   5.14
_cell_length_c   2.91
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   TaSn2
_chemical_formula_sum   'Ta1 Sn2'
_cell_volume   66.49
_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  0.0  0.0  0.0  1.0
  Sn  Sn0  1  0.0  0.97  0.37  1.0
  Sn  Sn1  1  0.57  0.48  0.54  1.0

data_TaSn2
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.91
_cell_length_b   5.14
_cell_length_c   5.14
_cell_angle_alpha   120.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   TaSn2
_chemical_formula_sum   'Ta1 Sn2'
_cell_volume   66.49
_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  Ta0  1  0.0  0.0  0.0  1.0
  Sn  Sn1  1  0.37  0.0  0.97  1.0
  Sn  Sn2  1  0.54  0.57  0.48  1.0

Ta Sn Sn