data_Ta2IrPt
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.83
_cell_length_b   4.67
_cell_length_c   4.98
_cell_angle_alpha   90.0
_cell_angle_beta   93.36
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ta2IrPt
_chemical_formula_sum   'Ta2 Ir1 Pt1'
_cell_volume   65.8
_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  0.39  0.0  0.68  1.0
  Ta  Ta3  1  0.2  0.34  0.56  1.0
  Ir  Ir0  1  0.92  0.0  0.19  1.0
  Pt  Pt1  1  0.84  0.34  1.0  1.0

data_Ta2IrPt
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.83
_cell_length_b   4.67
_cell_length_c   4.98
_cell_angle_alpha   90.0
_cell_angle_beta   93.36
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ta2IrPt
_chemical_formula_sum   'Ta2 Ir1 Pt1'
_cell_volume   65.8
_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  0.2  0.34  0.56  1.0
  Ta  Ta1  1  0.39  0.0  0.68  1.0
  Ir  Ir2  1  0.92  0.0  0.19  1.0
  Pt  Pt3  1  0.84  0.34  1.0  1.0

Ta Ta Ir Pt
Ta Ta Ir Pt 0 1 o o o 2 3 o o - 