data_HfRh2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.23
_cell_length_b   6.23
_cell_length_c   5.65
_cell_angle_alpha   107.22
_cell_angle_beta   107.22
_cell_angle_gamma   28.24
_symmetry_Int_Tables_number   1
_chemical_formula_structural   HfRh2
_chemical_formula_sum   'Hf2 Rh4'
_cell_volume   98.95
_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
  Hf  Hf0  1  0.7  0.0  0.81  1.0
  Hf  Hf1  1  0.66  0.0  0.58  1.0
  Rh  Rh2  1  0.8  0.0  0.99  1.0
  Rh  Rh3  1  0.56  0.0  0.39  1.0
  Rh  Rh4  1  0.27  0.0  0.07  1.0
  Rh  Rh5  1  0.1  0.0  0.31  1.0

data_HfRh2
_symmetry_space_group_name_H-M   P-1
_cell_length_a   3.04
_cell_length_b   5.65
_cell_length_c   6.23
_cell_angle_alpha   107.22
_cell_angle_beta   104.12
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   2
_chemical_formula_structural   HfRh2
_chemical_formula_sum   'Hf2 Rh4'
_cell_volume   98.95
_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
  Hf  Hf0  2  0.0  0.38  0.48  1.0
  Rh  Rh1  2  0.0  0.12  0.92  1.0
  Rh  Rh2  2  0.0  0.2  0.38  1.0

Hf Hf Rh Rh Rh Rh
HfRh2 crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of one HfRh2 cluster. Hf(1) is bonded in a single-bond geometry to one Rh(1) atom. The Hf(1)-Rh(1) bond length is 1.03 Å. There are two inequivalent Rh sites. In the first Rh site, Rh(1) is bonded in a single-bond geometry to one Hf(1) and one Rh(2) atom. The Rh(1)-Rh(2) bond length is 2.16 Å. In the second Rh site, Rh(2) is bonded in a 2-coordinate geometry to one Rh(1) and one Rh(2) atom. The Rh(2)-Rh(2) bond length is 1.95 Å.