data_Ta2Si
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.08
_cell_length_b   7.08
_cell_length_c   3.41
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ta2Si
_chemical_formula_sum   'Ta6 Si3'
_cell_volume   147.98
_cell_formula_units_Z   3
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  Ta3  1  0.86  0.0  0.7  1.0
  Ta  Ta4  1  0.07  0.61  0.7  1.0
  Ta  Ta5  1  0.61  0.52  0.7  1.0
  Ta  Ta6  1  0.22  0.0  0.0  1.0
  Ta  Ta7  1  0.89  0.66  0.0  1.0
  Ta  Ta8  1  0.43  0.47  0.0  1.0
  Si  Si0  1  0.0  0.09  0.7  1.0
  Si  Si1  1  0.54  0.04  0.7  1.0
  Si  Si2  1  0.0  0.0  0.0  1.0

data_Ta2Si
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.41
_cell_length_b   7.08
_cell_length_c   7.08
_cell_angle_alpha   120.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ta2Si
_chemical_formula_sum   'Ta6 Si3'
_cell_volume   147.98
_cell_formula_units_Z   3
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  0.22  0.0  1.0
  Ta  Ta1  1  0.0  0.89  0.66  1.0
  Ta  Ta2  1  0.0  0.43  0.47  1.0
  Ta  Ta3  1  0.7  0.07  0.61  1.0
  Ta  Ta4  1  0.7  0.61  0.52  1.0
  Ta  Ta5  1  0.7  0.86  0.0  1.0
  Si  Si6  1  0.0  0.0  0.0  1.0
  Si  Si7  1  0.7  -0.0  0.09  1.0
  Si  Si8  1  0.7  0.54  0.04  1.0

Ta Ta Ta Ta Ta Ta Si Si Si