The crystal structure described by U2RhIn8 crystallizes in the tetragonal P4/mmm space group. U(1) is bonded to four equivalent In(1), four equivalent In(2), and four equivalent In(3) atoms to form UIn12 cuboctahedra that share corners with eight equivalent U(1)In12 cuboctahedra, edges with four equivalent In(3)U4In8 cuboctahedra, edges with eight equivalent In(1)U4In8 cuboctahedra, faces with four equivalent In(1)U4In8 cuboctahedra, faces with four equivalent In(3)U4In8 cuboctahedra, and faces with five equivalent U(1)In12 cuboctahedra. Rh(1) is bonded in a body-centered cubic geometry to eight equivalent In(2) atoms. There are three inequivalent In sites. In the first In site, In(1) is bonded to four equivalent U(1), four equivalent In(1), and four equivalent In(3) atoms to form distorted InU4In8 cuboctahedra that share corners with four equivalent In(1)U4In8 cuboctahedra, edges with eight equivalent U(1)In12 cuboctahedra, edges with eight equivalent In(3)U4In8 cuboctahedra, faces with four equivalent U(1)In12 cuboctahedra, faces with four equivalent In(3)U4In8 cuboctahedra, and faces with eight equivalent In(1)U4In8 cuboctahedra. In the second In site, In(2) is bonded in a 2-coordinate geometry to two equivalent U(1), two equivalent Rh(1), and two equivalent In(3) atoms. In the third In site, In(3) is bonded to four equivalent U(1), four equivalent In(1), and four equivalent In(2) atoms to form InU4In8 cuboctahedra that share corners with eight equivalent In(3)U4In8 cuboctahedra, edges with four equivalent U(1)In12 cuboctahedra, edges with eight equivalent In(1)U4In8 cuboctahedra, faces with four equivalent U(1)In12 cuboctahedra, faces with four equivalent In(1)U4In8 cuboctahedra, and faces with five equivalent In(3)U4In8 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_U2In8Rh
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.646
_cell_length_b   4.646
_cell_length_c   12.174
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   262.789
_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
  U  U0  1  0.500  0.500  0.691  1.0
  U  U1  1  0.500  0.500  0.309  1.0
  In  In2  1  0.000  0.500  0.500  1.0
  In  In3  1  0.500  0.000  0.500  1.0
  In  In4  1  0.000  0.500  0.878  1.0
  In  In5  1  0.500  0.000  0.878  1.0
  In  In6  1  0.000  0.500  0.122  1.0
  In  In7  1  0.500  0.000  0.122  1.0
  In  In8  1  0.000  0.000  0.691  1.0
  In  In9  1  0.000  0.000  0.309  1.0
  Rh  Rh10  1  0.500  0.500  0.000  1.0
[/CIF]
.
The crystal structure described by U2RhIn8 crystallizes in the tetragonal P4/mmm space group. U(1) is bonded to four equivalent In(1), four equivalent In(2), and four equivalent In(3) atoms to form UIn12 cuboctahedra that share corners with eight equivalent U(1)In12 cuboctahedra, edges with four equivalent In(3)U4In8 cuboctahedra, edges with eight equivalent In(1)U4In8 cuboctahedra, faces with four equivalent In(1)U4In8 cuboctahedra, faces with four equivalent In(3)U4In8 cuboctahedra, and faces with five equivalent U(1)In12 cuboctahedra. Rh(1) is bonded in a body-centered cubic geometry to eight equivalent In(2) atoms. There are three inequivalent In sites. In the first In site, In(1) is bonded to four equivalent U(1), four equivalent In(1), and four equivalent In(3) atoms to form distorted InU4In8 cuboctahedra that share corners with four equivalent In(1)U4In8 cuboctahedra, edges with eight equivalent U(1)In12 cuboctahedra, edges with eight equivalent In(3)U4In8 cuboctahedra, faces with four equivalent U(1)In12 cuboctahedra, faces with four equivalent In(3)U4In8 cuboctahedra, and faces with eight equivalent In(1)U4In8 cuboctahedra. In the second In site, In(2) is bonded in a 2-coordinate geometry to two equivalent U(1), two equivalent Rh(1), and two equivalent In(3) atoms. In the third In site, In(3) is bonded to four equivalent U(1), four equivalent In(1), and four equivalent In(2) atoms to form InU4In8 cuboctahedra that share corners with eight equivalent In(3)U4In8 cuboctahedra, edges with four equivalent U(1)In12 cuboctahedra, edges with eight equivalent In(1)U4In8 cuboctahedra, faces with four equivalent U(1)In12 cuboctahedra, faces with four equivalent In(1)U4In8 cuboctahedra, and faces with five equivalent In(3)U4In8 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_U2In8Rh
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.646
_cell_length_b   4.646
_cell_length_c   12.174
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   262.789
_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
  U  U0  1  0.500  0.500  0.691  1.0
  U  U1  1  0.500  0.500  0.309  1.0
  In  In2  1  0.000  0.500  0.500  1.0
  In  In3  1  0.500  0.000  0.500  1.0
  In  In4  1  0.000  0.500  0.878  1.0
  In  In5  1  0.500  0.000  0.878  1.0
  In  In6  1  0.000  0.500  0.122  1.0
  In  In7  1  0.500  0.000  0.122  1.0
  In  In8  1  0.000  0.000  0.691  1.0
  In  In9  1  0.000  0.000  0.309  1.0
  Rh  Rh10  1  0.500  0.500  0.000  1.0
[/CIF]
.