The compound described by NbRh2 crystallizes in the monoclinic P2/m space group. Nb(1) is bonded in a 9-coordinate geometry to one Rh(3), two equivalent Rh(2), and six equivalent Rh(1) atoms. There are three inequivalent Rh sites. In the first Rh site, Rh(1) is bonded to six equivalent Nb(1) atoms to form distorted RhNb6 cuboctahedra that share corners with four equivalent Rh(1)Nb6 cuboctahedra, corners with six equivalent Rh(2)Nb4 cuboctahedra, edges with three equivalent Rh(2)Nb4 cuboctahedra, edges with six equivalent Rh(1)Nb6 cuboctahedra, and faces with four equivalent Rh(1)Nb6 cuboctahedra. In the second Rh site, Rh(2) is bonded to four equivalent Nb(1) atoms to form distorted RhNb4 cuboctahedra that share corners with twelve equivalent Rh(1)Nb6 cuboctahedra, edges with two equivalent Rh(2)Nb4 cuboctahedra, and edges with six equivalent Rh(1)Nb6 cuboctahedra. In the third Rh site, Rh(3) is bonded in a distorted linear geometry to two equivalent Nb(1) atoms. is represented by the CIF card [CIF]
data_NbRh2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.818
_cell_length_b   4.840
_cell_length_c   6.940
_cell_angle_alpha   77.846
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   92.525
_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
  Nb  Nb0  1  0.000  0.233  0.326  1.0
  Nb  Nb1  1  0.000  0.767  0.674  1.0
  Rh  Rh2  1  0.500  0.731  0.335  1.0
  Rh  Rh3  1  0.500  0.269  0.665  1.0
  Rh  Rh4  1  0.500  0.500  0.000  1.0
  Rh  Rh5  1  0.000  0.000  0.000  1.0
[/CIF]
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The compound described by NbRh2 crystallizes in the monoclinic P2/m space group. Nb(1) is bonded in a 9-coordinate geometry to one Rh(3), two equivalent Rh(2), and six equivalent Rh(1) atoms. There are three inequivalent Rh sites. In the first Rh site, Rh(1) is bonded to six equivalent Nb(1) atoms to form distorted RhNb6 cuboctahedra that share corners with four equivalent Rh(1)Nb6 cuboctahedra, corners with six equivalent Rh(2)Nb4 cuboctahedra, edges with three equivalent Rh(2)Nb4 cuboctahedra, edges with six equivalent Rh(1)Nb6 cuboctahedra, and faces with four equivalent Rh(1)Nb6 cuboctahedra. In the second Rh site, Rh(2) is bonded to four equivalent Nb(1) atoms to form distorted RhNb4 cuboctahedra that share corners with twelve equivalent Rh(1)Nb6 cuboctahedra, edges with two equivalent Rh(2)Nb4 cuboctahedra, and edges with six equivalent Rh(1)Nb6 cuboctahedra. In the third Rh site, Rh(3) is bonded in a distorted linear geometry to two equivalent Nb(1) atoms. is represented by the CIF card [CIF]
data_NbRh2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.818
_cell_length_b   4.840
_cell_length_c   6.940
_cell_angle_alpha   77.846
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   92.525
_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
  Nb  Nb0  1  0.000  0.233  0.326  1.0
  Nb  Nb1  1  0.000  0.767  0.674  1.0
  Rh  Rh2  1  0.500  0.731  0.335  1.0
  Rh  Rh3  1  0.500  0.269  0.665  1.0
  Rh  Rh4  1  0.500  0.500  0.000  1.0
  Rh  Rh5  1  0.000  0.000  0.000  1.0
[/CIF]
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