data_Bi2IrPt
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.99
_cell_length_b   4.99
_cell_length_c   3.4
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.89
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Bi2IrPt
_chemical_formula_sum   'Bi2 Ir1 Pt1'
_cell_volume   84.6
_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
  Bi  Bi0  1  0.75  0.22  0.7  1.0
  Bi  Bi1  1  0.75  0.78  0.7  1.0
  Ir  Ir2  1  0.0  0.0  0.0  1.0
  Pt  Pt3  1  0.5  0.0  0.0  1.0

data_Bi2IrPt
_symmetry_space_group_name_H-M   Pm
_cell_length_a   3.4
_cell_length_b   4.99
_cell_length_c   4.99
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   6
_chemical_formula_structural   Bi2IrPt
_chemical_formula_sum   'Bi2 Ir1 Pt1'
_cell_volume   84.61
_cell_formula_units_Z   1
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  0.7  0.22  0.75  1.0
  Ir  Ir1  1  0.0  0.0  0.0  1.0
  Pt  Pt2  1  -0.0  0.0  0.5  1.0

Bi Bi Ir Pt