data_TaBRh2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.48
_cell_length_b   7.48
_cell_length_c   7.48
_cell_angle_alpha   22.57
_cell_angle_beta   22.57
_cell_angle_gamma   22.57
_symmetry_Int_Tables_number   1
_chemical_formula_structural   TaBRh2
_chemical_formula_sum   'Ta1 B1 Rh2'
_cell_volume   54.06
_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
  Ta  Ta3  1  0.0  0.0  0.93  1.0
  B  B0  1  0.0  0.0  0.0  1.0
  Rh  Rh1  1  0.0  0.0  0.89  1.0
  Rh  Rh2  1  0.0  0.0  0.97  1.0

data_TaBRh2
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.07
_cell_length_b   2.93
_cell_length_c   7.48
_cell_angle_alpha   90.0
_cell_angle_beta   103.06
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   TaBRh2
_chemical_formula_sum   'Ta2 B2 Rh4'
_cell_volume   108.13
_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
  Ta  Ta0  2  0.0  0.0  0.07  1.0
  B  B1  2  0.0  0.0  0.0  1.0
  Rh  Rh2  2  0.0  0.0  0.03  1.0
  Rh  Rh3  2  0.0  0.0  0.11  1.0

Ta B Rh Rh
Ta B Rh Rh 0 2 o o o 0 3 o o o 1 3 o o - 
TaRh2B is Cyanogen Chloride-like structured and crystallizes in the monoclinic Cm space group. The structure is zero-dimensional and consists of two TaRh2B clusters. Ta(1) is bonded in a linear geometry to one Rh(1) and one Rh(2) atom. The Ta(1)-Rh(1) bond length is 0.32 Å. The Ta(1)-Rh(2) bond length is 0.32 Å. There are two inequivalent Rh sites. In the first Rh site, Rh(1) is bonded in a single-bond geometry to one Ta(1) atom. In the second Rh site, Rh(2) is bonded in a linear geometry to one Ta(1) and one B(1) atom. The Rh(2)-B(1) bond length is 0.21 Å. B(1) is bonded in a single-bond geometry to one Rh(2) atom.