data_PtRh
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.75
_cell_length_b   4.6
_cell_length_c   4.75
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   PtRh
_chemical_formula_sum   'Pt2 Rh2'
_cell_volume   60.1
_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
  Pt  Pt0  1  0.37  0.0  0.33  1.0
  Pt  Pt1  1  0.0  0.3  0.43  1.0
  Rh  Rh2  1  0.37  0.3  0.78  1.0
  Rh  Rh3  1  0.0  0.0  0.97  1.0

data_PtRh
_symmetry_space_group_name_H-M   P-1
_cell_length_a   2.75
_cell_length_b   4.6
_cell_length_c   4.75
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   2
_chemical_formula_structural   PtRh
_chemical_formula_sum   'Pt2 Rh2'
_cell_volume   60.1
_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
  Rh  Rh0  2  0.19  0.15  0.4  1.0
  Pt  Pt1  2  0.19  0.85  0.95  1.0

Pt Pt Rh Rh