data_BiPt3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.29
_cell_length_b   9.29
_cell_length_c   9.29
_cell_angle_alpha   154.73
_cell_angle_beta   154.73
_cell_angle_gamma   36.04
_symmetry_Int_Tables_number   1
_chemical_formula_structural   BiPt3
_chemical_formula_sum   'Bi2 Pt6'
_cell_volume   145.9
_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  0.0  0.2  1.0
  Bi  Bi1  1  0.0  0.0  0.47  1.0
  Pt  Pt2  1  0.0  0.03  0.0  1.0
  Pt  Pt3  1  0.03  0.0  0.0  1.0
  Pt  Pt4  1  0.03  0.0  0.42  1.0
  Pt  Pt5  1  0.0  0.03  0.42  1.0
  Pt  Pt6  1  0.0  0.0  0.7  1.0
  Pt  Pt7  1  0.0  0.0  0.97  1.0

data_BiPt3
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.75
_cell_length_b   5.75
_cell_length_c   9.29
_cell_angle_alpha   90.0
_cell_angle_beta   108.02
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   BiPt3
_chemical_formula_sum   'Bi4 Pt12'
_cell_volume   291.79
_cell_formula_units_Z   4
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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  0.2  0.0  0.2  1.0
  Bi  Bi1  2  0.47  0.0  0.47  1.0
  Pt  Pt2  4  0.4  0.02  0.39  1.0
  Pt  Pt3  4  0.48  0.48  0.97  1.0
  Pt  Pt4  2  0.2  0.5  0.7  1.0
  Pt  Pt5  2  0.47  0.5  0.97  1.0

Bi Bi Pt Pt Pt Pt Pt Pt