The material described by URu2Rh is Uranium Silicide-derived structured and crystallizes in the tetragonal P4/mmm space group. U(1) is bonded to eight equivalent Ru(1) and four equivalent Rh(1) atoms to form URu8Rh4 cuboctahedra that share corners with twelve equivalent U(1)Ru8Rh4 cuboctahedra, edges with eight equivalent Rh(1)U4Ru8 cuboctahedra, edges with sixteen equivalent Ru(1)U4Ru4Rh4 cuboctahedra, faces with four equivalent Rh(1)U4Ru8 cuboctahedra, faces with six equivalent U(1)Ru8Rh4 cuboctahedra, and faces with eight equivalent Ru(1)U4Ru4Rh4 cuboctahedra. Ru(1) is bonded to four equivalent U(1), four equivalent Ru(1), and four equivalent Rh(1) atoms to form distorted RuU4Ru4Rh4 cuboctahedra that share corners with twelve equivalent Ru(1)U4Ru4Rh4 cuboctahedra, edges with eight equivalent U(1)Ru8Rh4 cuboctahedra, edges with eight equivalent Ru(1)U4Ru4Rh4 cuboctahedra, edges with eight equivalent Rh(1)U4Ru8 cuboctahedra, faces with four equivalent U(1)Ru8Rh4 cuboctahedra, faces with four equivalent Rh(1)U4Ru8 cuboctahedra, and faces with ten equivalent Ru(1)U4Ru4Rh4 cuboctahedra. Rh(1) is bonded to four equivalent U(1) and eight equivalent Ru(1) atoms to form RhU4Ru8 cuboctahedra that share corners with twelve equivalent Rh(1)U4Ru8 cuboctahedra, edges with eight equivalent U(1)Ru8Rh4 cuboctahedra, edges with sixteen equivalent Ru(1)U4Ru4Rh4 cuboctahedra, faces with four equivalent U(1)Ru8Rh4 cuboctahedra, faces with six equivalent Rh(1)U4Ru8 cuboctahedra, and faces with eight equivalent Ru(1)U4Ru4Rh4 cuboctahedra. is represented by the CIF file [CIF]
data_URu2Rh
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.010
_cell_length_b   4.010
_cell_length_c   3.907
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   62.827
_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  0.000  0.000  0.000  1.0
  Ru  Ru1  1  0.000  0.500  0.500  1.0
  Ru  Ru2  1  0.500  0.000  0.500  1.0
  Rh  Rh3  1  0.500  0.500  0.000  1.0
[/CIF]
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The material described by URu2Rh is Uranium Silicide-derived structured and crystallizes in the tetragonal P4/mmm space group. U(1) is bonded to eight equivalent Ru(1) and four equivalent Rh(1) atoms to form URu8Rh4 cuboctahedra that share corners with twelve equivalent U(1)Ru8Rh4 cuboctahedra, edges with eight equivalent Rh(1)U4Ru8 cuboctahedra, edges with sixteen equivalent Ru(1)U4Ru4Rh4 cuboctahedra, faces with four equivalent Rh(1)U4Ru8 cuboctahedra, faces with six equivalent U(1)Ru8Rh4 cuboctahedra, and faces with eight equivalent Ru(1)U4Ru4Rh4 cuboctahedra. Ru(1) is bonded to four equivalent U(1), four equivalent Ru(1), and four equivalent Rh(1) atoms to form distorted RuU4Ru4Rh4 cuboctahedra that share corners with twelve equivalent Ru(1)U4Ru4Rh4 cuboctahedra, edges with eight equivalent U(1)Ru8Rh4 cuboctahedra, edges with eight equivalent Ru(1)U4Ru4Rh4 cuboctahedra, edges with eight equivalent Rh(1)U4Ru8 cuboctahedra, faces with four equivalent U(1)Ru8Rh4 cuboctahedra, faces with four equivalent Rh(1)U4Ru8 cuboctahedra, and faces with ten equivalent Ru(1)U4Ru4Rh4 cuboctahedra. Rh(1) is bonded to four equivalent U(1) and eight equivalent Ru(1) atoms to form RhU4Ru8 cuboctahedra that share corners with twelve equivalent Rh(1)U4Ru8 cuboctahedra, edges with eight equivalent U(1)Ru8Rh4 cuboctahedra, edges with sixteen equivalent Ru(1)U4Ru4Rh4 cuboctahedra, faces with four equivalent U(1)Ru8Rh4 cuboctahedra, faces with six equivalent Rh(1)U4Ru8 cuboctahedra, and faces with eight equivalent Ru(1)U4Ru4Rh4 cuboctahedra. is represented by the CIF file [CIF]
data_URu2Rh
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.010
_cell_length_b   4.010
_cell_length_c   3.907
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   62.827
_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  0.000  0.000  0.000  1.0
  Ru  Ru1  1  0.000  0.500  0.500  1.0
  Ru  Ru2  1  0.500  0.000  0.500  1.0
  Rh  Rh3  1  0.500  0.500  0.000  1.0
[/CIF]
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