data_Pr(SiRh)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.89
_cell_length_b   5.89
_cell_length_c   5.89
_cell_angle_alpha   139.07
_cell_angle_beta   139.07
_cell_angle_gamma   59.27
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Pr(SiRh)2
_chemical_formula_sum   'Pr1 Si2 Rh2'
_cell_volume   86.96
_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
  Pr  Pr0  1  0.0  0.0  0.0  1.0
  Si  Si3  1  0.0  0.0  0.41  1.0
  Si  Si4  1  0.0  0.0  0.83  1.0
  Rh  Rh1  1  0.06  0.0  0.56  1.0
  Rh  Rh2  1  0.0  0.06  0.56  1.0

data_Pr(SiRh)2
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.83
_cell_length_b   5.83
_cell_length_c   5.89
_cell_angle_alpha   90.0
_cell_angle_beta   119.63
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Pr(SiRh)2
_chemical_formula_sum   'Pr2 Si4 Rh4'
_cell_volume   173.92
_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
  Pr  Pr0  2  0.0  0.0  0.0  1.0
  Si  Si1  2  0.0  0.0  0.17  1.0
  Si  Si2  2  0.0  0.0  0.59  1.0
  Rh  Rh3  4  0.03  0.03  0.5  1.0

Pr Si Si Rh Rh