data_Ru3Rh
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.11
_cell_length_b   5.11
_cell_length_c   5.11
_cell_angle_alpha   117.05
_cell_angle_beta   117.05
_cell_angle_gamma   117.05
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ru3Rh
_chemical_formula_sum   'Ru3 Rh1'
_cell_volume   58.25
_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
  Ru  Ru1  1  0.82  0.74  0.89  1.0
  Ru  Ru2  1  0.18  0.74  0.89  1.0
  Ru  Ru3  1  0.0  0.51  0.89  1.0
  Rh  Rh0  1  0.0  0.0  0.0  1.0

data_Ru3Rh
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.66
_cell_length_b   5.11
_cell_length_c   5.11
_cell_angle_alpha   117.05
_cell_angle_beta   100.0
_cell_angle_gamma   100.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ru3Rh
_chemical_formula_sum   'Ru3 Rh1'
_cell_volume   58.25
_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
  Ru  Ru0  1  0.89  0.06  0.14  1.0
  Ru  Ru1  1  0.89  0.71  0.14  1.0
  Ru  Ru2  1  0.89  0.89  0.37  1.0
  Rh  Rh3  1  0.0  0.0  0.0  1.0

Ru Ru Ru Rh
Ru Ru Ru Rh 0 3 + + + 1 2 o o o 