data_Bi2Pt
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.66
_cell_length_b   6.87
_cell_length_c   4.23
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Bi2Pt
_chemical_formula_sum   'Bi4 Pt2'
_cell_volume   164.7
_cell_formula_units_Z   2
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
  Bi  Bi0  1  0.24  0.38  0.0  1.0
  Bi  Bi1  1  0.42  0.5  0.0  1.0
  Bi  Bi2  1  0.07  0.93  0.12  1.0
  Bi  Bi3  1  0.59  0.94  0.12  1.0
  Pt  Pt4  1  0.0  0.0  0.0  1.0
  Pt  Pt5  1  0.83  0.44  0.12  1.0

data_Bi2Pt
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.23
_cell_length_b   5.66
_cell_length_c   6.87
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Bi2Pt
_chemical_formula_sum   'Bi4 Pt2'
_cell_volume   164.7
_cell_formula_units_Z   2
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
  Bi  Bi0  1  -0.0  0.42  0.5  1.0
  Bi  Bi1  1  -0.0  0.24  0.38  1.0
  Bi  Bi2  1  0.12  0.07  0.93  1.0
  Bi  Bi3  1  0.12  0.59  0.94  1.0
  Pt  Pt4  1  0.0  0.0  0.0  1.0
  Pt  Pt5  1  0.12  0.83  0.44  1.0

Bi Bi Bi Bi Pt Pt