data_RhPb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.27
_cell_length_b   5.39
_cell_length_c   4.56
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   RhPb
_chemical_formula_sum   'Rh2 Pb2'
_cell_volume   80.46
_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
  Rh  Rh2  1  0.0  0.0  0.63  1.0
  Rh  Rh3  1  0.64  0.7  0.93  1.0
  Pb  Pb0  1  0.64  0.0  0.97  1.0
  Pb  Pb1  1  0.0  0.7  0.59  1.0

data_RhPb
_symmetry_space_group_name_H-M   P-1
_cell_length_a   3.27
_cell_length_b   4.56
_cell_length_c   5.39
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   2
_chemical_formula_structural   RhPb
_chemical_formula_sum   'Rh2 Pb2'
_cell_volume   80.46
_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  0.18  0.85  0.15  1.0
  Pb  Pb1  2  0.18  0.81  0.85  1.0

Rh Rh Pb Pb
Rh Rh Pb Pb 0 2 - o o 0 3 o - o 1 3 + o o 1 2 o + o 