data_Ru2Pb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.97
_cell_length_b   7.68
_cell_length_c   4.59
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ru2Pb
_chemical_formula_sum   'Ru4 Pb2'
_cell_volume   104.81
_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
  Ru  Ru2  1  0.34  0.62  0.0  1.0
  Ru  Ru3  1  0.63  0.05  0.0  1.0
  Ru  Ru4  1  0.85  0.21  0.3  1.0
  Ru  Ru5  1  0.12  0.46  0.3  1.0
  Pb  Pb0  1  0.0  0.0  0.0  1.0
  Pb  Pb1  1  0.49  0.84  0.3  1.0

data_Ru2Pb
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.97
_cell_length_b   4.59
_cell_length_c   7.68
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ru2Pb
_chemical_formula_sum   'Ru4 Pb2'
_cell_volume   104.81
_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
  Ru  Ru0  1  0.15  0.7  0.79  1.0
  Ru  Ru1  1  0.37  0.0  0.95  1.0
  Ru  Ru2  1  0.66  0.0  0.38  1.0
  Ru  Ru3  1  0.88  0.7  0.54  1.0
  Pb  Pb4  1  0.0  0.0  0.0  1.0
  Pb  Pb5  1  0.51  0.7  0.16  1.0

Ru Ru Ru Ru Pb Pb
Ru Ru Ru Ru Pb Pb 0 3 o o o 0 5 o o o 1 4 + o o 1 2 o o o 1 5 o - o 2 4 + o o 2 3 + o o 4 5 o - o 4 5 - - o 