data_Ta2NbPt
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.43
_cell_length_b   5.43
_cell_length_c   2.8
_cell_angle_alpha   100.21
_cell_angle_beta   100.21
_cell_angle_gamma   116.49
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ta2NbPt
_chemical_formula_sum   'Ta2 Nb1 Pt1'
_cell_volume   69.48
_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  0.96  0.69  0.32  1.0
  Ta  Ta3  1  0.96  0.31  0.32  1.0
  Nb  Nb0  1  0.0  0.0  0.0  1.0
  Pt  Pt1  1  0.86  0.0  0.0  1.0

data_Ta2NbPt
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.8
_cell_length_b   5.43
_cell_length_c   5.43
_cell_angle_alpha   116.49
_cell_angle_beta   100.21
_cell_angle_gamma   100.21
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ta2NbPt
_chemical_formula_sum   'Ta2 Nb1 Pt1'
_cell_volume   69.48
_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  0.32  0.96  0.69  1.0
  Ta  Ta1  1  0.32  0.96  0.31  1.0
  Nb  Nb2  1  0.0  0.0  0.0  1.0
  Pt  Pt3  1  0.0  0.86  0.0  1.0

Ta Ta Nb Pt
Ta Ta Nb Pt 0 2 + + o 0 2 + + + 0 3 o + o 0 1 o o o 1 3 o o o 2 3 - o o 