data_BiPt
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.16
_cell_length_b   4.16
_cell_length_c   7.18
_cell_angle_alpha   106.35
_cell_angle_beta   106.35
_cell_angle_gamma   58.37
_symmetry_Int_Tables_number   1
_chemical_formula_structural   BiPt
_chemical_formula_sum   'Bi2 Pt2'
_cell_volume   100.2
_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  0.89  0.0  0.79  1.0
  Bi  Bi1  1  0.06  0.0  0.01  1.0
  Pt  Pt2  1  0.44  0.0  0.63  1.0
  Pt  Pt3  1  0.51  0.0  0.17  1.0

data_BiPt
_symmetry_space_group_name_H-M   P-1
_cell_length_a   4.06
_cell_length_b   4.16
_cell_length_c   7.18
_cell_angle_alpha   106.35
_cell_angle_beta   90.0
_cell_angle_gamma   119.18
_symmetry_Int_Tables_number   2
_chemical_formula_structural   BiPt
_chemical_formula_sum   'Bi2 Pt2'
_cell_volume   100.2
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-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  2  0.0  0.09  0.11  1.0
  Pt  Pt1  2  0.0  0.47  0.73  1.0

Bi Bi Pt Pt