data_IrPdPt
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.51
_cell_length_b   7.26
_cell_length_c   2.74
_cell_angle_alpha   84.63
_cell_angle_beta   74.05
_cell_angle_gamma   21.32
_symmetry_Int_Tables_number   1
_chemical_formula_structural   IrPdPt
_chemical_formula_sum   'Ir1 Pd1 Pt1'
_cell_volume   46.32
_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
  Ir  Ir0  1  0.37  0.38  0.24  1.0
  Pd  Pd1  1  0.37  0.38  0.78  1.0
  Pt  Pt2  1  0.37  0.38  0.48  1.0

data_IrPdPt
_symmetry_space_group_name_H-M   Cm
_cell_length_a   2.73
_cell_length_b   14.25
_cell_length_c   2.74
_cell_angle_alpha   90.0
_cell_angle_beta   119.84
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   IrPdPt
_chemical_formula_sum   'Ir2 Pd2 Pt2'
_cell_volume   92.64
_cell_formula_units_Z   2
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
  Pd  Pd0  2  0.37  0.0  0.14  1.0
  Ir  Ir1  2  0.37  0.0  0.61  1.0
  Pt  Pt2  2  0.37  0.0  0.85  1.0

Ir Pd Pt
Ir Pd Pt 0 2 o o o 1 2 o o o 