The structure described by U6Rh20P13 crystallizes in the hexagonal P-6 space group. There are two inequivalent U sites. In the first U site, U(1) is bonded in a 16-coordinate geometry to one Rh(4), one Rh(7), two equivalent Rh(1), two equivalent Rh(3), two equivalent Rh(5), two equivalent Rh(8), two equivalent P(3), and four equivalent P(1) atoms. In the second U site, U(2) is bonded in a 16-coordinate geometry to one Rh(6), one Rh(8), two equivalent Rh(1), two equivalent Rh(2), two equivalent Rh(3), two equivalent Rh(4), two equivalent P(2), and four equivalent P(4) atoms. There are eight inequivalent Rh sites. In the first Rh site, Rh(7) is bonded in a 4-coordinate geometry to one U(1), one Rh(4), two equivalent Rh(8), one P(2), one P(5), and two equivalent P(3) atoms. In the second Rh site, Rh(8) is bonded in a 12-coordinate geometry to one U(2), two equivalent U(1), one Rh(6), two equivalent Rh(3), two equivalent Rh(7), one P(1), one P(3), and two equivalent P(2) atoms. In the third Rh site, Rh(1) is bonded in a 12-coordinate geometry to two equivalent U(1), two equivalent U(2), two equivalent Rh(3), two equivalent Rh(4), one P(1), one P(3), and two equivalent P(4) atoms. In the fourth Rh site, Rh(2) is bonded in a 9-coordinate geometry to six equivalent U(2) and three equivalent P(4) atoms. In the fifth Rh site, Rh(3) is bonded in a 12-coordinate geometry to two equivalent U(1), two equivalent U(2), two equivalent Rh(1), two equivalent Rh(8), one P(2), one P(4), and two equivalent P(1) atoms. In the sixth Rh site, Rh(4) is bonded in a 12-coordinate geometry to one U(1), two equivalent U(2), one Rh(7), two equivalent Rh(1), two equivalent Rh(6), one P(2), one P(4), and two equivalent P(3) atoms. In the seventh Rh site, Rh(5) is bonded in a 9-coordinate geometry to six equivalent U(1) and three equivalent P(1) atoms. In the eighth Rh site, Rh(6) is bonded in a 3-coordinate geometry to one U(2), one Rh(8), two equivalent Rh(4), one P(3), and two equivalent P(2) atoms. There are five inequivalent P sites. In the first P site, P(1) is bonded in a 9-coordinate geometry to four equivalent U(1), one Rh(1), one Rh(5), one Rh(8), and two equivalent Rh(3) atoms. In the second P site, P(2) is bonded in a 9-coordinate geometry to two equivalent U(2), one Rh(3), one Rh(4), one Rh(7), two equivalent Rh(6), and two equivalent Rh(8) atoms. In the third P site, P(3) is bonded in a 9-coordinate geometry to two equivalent U(1), one Rh(1), one Rh(6), one Rh(8), two equivalent Rh(4), and two equivalent Rh(7) atoms. In the fourth P site, P(4) is bonded in a 9-coordinate geometry to four equivalent U(2), one Rh(2), one Rh(3), one Rh(4), and two equivalent Rh(1) atoms. In the fifth P site, P(5) is bonded in a distorted trigonal planar geometry to three equivalent Rh(7) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_U6P13Rh20
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   13.461
_cell_length_b   13.461
_cell_length_c   3.865
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   606.541
_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  0.190  0.474  0.000  1.0
  U  U1  1  0.526  0.716  0.000  1.0
  U  U2  1  0.284  0.810  0.000  1.0
  U  U3  1  0.718  0.189  0.500  1.0
  U  U4  1  0.811  0.529  0.500  1.0
  U  U5  1  0.471  0.282  0.500  1.0
  P  P6  1  0.388  0.527  0.500  1.0
  P  P7  1  0.473  0.862  0.500  1.0
  P  P8  1  0.138  0.612  0.500  1.0
  P  P9  1  0.772  0.058  0.000  1.0
  P  P10  1  0.942  0.714  0.000  1.0
  P  P11  1  0.286  0.228  0.000  1.0
  P  P12  1  0.054  0.285  0.500  1.0
  P  P13  1  0.715  0.769  0.500  1.0
  P  P14  1  0.231  0.946  0.500  1.0
  P  P15  1  0.526  0.139  0.000  1.0
  P  P16  1  0.861  0.387  0.000  1.0
  P  P17  1  0.613  0.474  0.000  1.0
  P  P18  1  0.000  0.000  0.000  1.0
  Rh  Rh19  1  0.439  0.021  0.500  1.0
  Rh  Rh20  1  0.979  0.418  0.500  1.0
  Rh  Rh21  1  0.582  0.561  0.500  1.0
  Rh  Rh22  1  0.667  0.333  0.000  1.0
  Rh  Rh23  1  0.417  0.437  0.000  1.0
  Rh  Rh24  1  0.563  0.980  0.000  1.0
  Rh  Rh25  1  0.020  0.583  0.000  1.0
  Rh  Rh26  1  0.924  0.253  0.000  1.0
  Rh  Rh27  1  0.747  0.671  0.000  1.0
  Rh  Rh28  1  0.329  0.076  0.000  1.0
  Rh  Rh29  1  0.333  0.667  0.500  1.0
  Rh  Rh30  1  0.906  0.093  0.500  1.0
  Rh  Rh31  1  0.907  0.814  0.500  1.0
  Rh  Rh32  1  0.186  0.094  0.500  1.0
  Rh  Rh33  1  0.097  0.192  0.000  1.0
  Rh  Rh34  1  0.808  0.905  0.000  1.0
  Rh  Rh35  1  0.095  0.903  0.000  1.0
  Rh  Rh36  1  0.251  0.331  0.500  1.0
  Rh  Rh37  1  0.669  0.920  0.500  1.0
  Rh  Rh38  1  0.080  0.749  0.500  1.0
[/CIF]
.
The structure described by U6Rh20P13 crystallizes in the hexagonal P-6 space group. There are two inequivalent U sites. In the first U site, U(1) is bonded in a 16-coordinate geometry to one Rh(4), one Rh(7), two equivalent Rh(1), two equivalent Rh(3), two equivalent Rh(5), two equivalent Rh(8), two equivalent P(3), and four equivalent P(1) atoms. In the second U site, U(2) is bonded in a 16-coordinate geometry to one Rh(6), one Rh(8), two equivalent Rh(1), two equivalent Rh(2), two equivalent Rh(3), two equivalent Rh(4), two equivalent P(2), and four equivalent P(4) atoms. There are eight inequivalent Rh sites. In the first Rh site, Rh(7) is bonded in a 4-coordinate geometry to one U(1), one Rh(4), two equivalent Rh(8), one P(2), one P(5), and two equivalent P(3) atoms. In the second Rh site, Rh(8) is bonded in a 12-coordinate geometry to one U(2), two equivalent U(1), one Rh(6), two equivalent Rh(3), two equivalent Rh(7), one P(1), one P(3), and two equivalent P(2) atoms. In the third Rh site, Rh(1) is bonded in a 12-coordinate geometry to two equivalent U(1), two equivalent U(2), two equivalent Rh(3), two equivalent Rh(4), one P(1), one P(3), and two equivalent P(4) atoms. In the fourth Rh site, Rh(2) is bonded in a 9-coordinate geometry to six equivalent U(2) and three equivalent P(4) atoms. In the fifth Rh site, Rh(3) is bonded in a 12-coordinate geometry to two equivalent U(1), two equivalent U(2), two equivalent Rh(1), two equivalent Rh(8), one P(2), one P(4), and two equivalent P(1) atoms. In the sixth Rh site, Rh(4) is bonded in a 12-coordinate geometry to one U(1), two equivalent U(2), one Rh(7), two equivalent Rh(1), two equivalent Rh(6), one P(2), one P(4), and two equivalent P(3) atoms. In the seventh Rh site, Rh(5) is bonded in a 9-coordinate geometry to six equivalent U(1) and three equivalent P(1) atoms. In the eighth Rh site, Rh(6) is bonded in a 3-coordinate geometry to one U(2), one Rh(8), two equivalent Rh(4), one P(3), and two equivalent P(2) atoms. There are five inequivalent P sites. In the first P site, P(1) is bonded in a 9-coordinate geometry to four equivalent U(1), one Rh(1), one Rh(5), one Rh(8), and two equivalent Rh(3) atoms. In the second P site, P(2) is bonded in a 9-coordinate geometry to two equivalent U(2), one Rh(3), one Rh(4), one Rh(7), two equivalent Rh(6), and two equivalent Rh(8) atoms. In the third P site, P(3) is bonded in a 9-coordinate geometry to two equivalent U(1), one Rh(1), one Rh(6), one Rh(8), two equivalent Rh(4), and two equivalent Rh(7) atoms. In the fourth P site, P(4) is bonded in a 9-coordinate geometry to four equivalent U(2), one Rh(2), one Rh(3), one Rh(4), and two equivalent Rh(1) atoms. In the fifth P site, P(5) is bonded in a distorted trigonal planar geometry to three equivalent Rh(7) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_U6P13Rh20
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   13.461
_cell_length_b   13.461
_cell_length_c   3.865
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   606.541
_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  0.190  0.474  0.000  1.0
  U  U1  1  0.526  0.716  0.000  1.0
  U  U2  1  0.284  0.810  0.000  1.0
  U  U3  1  0.718  0.189  0.500  1.0
  U  U4  1  0.811  0.529  0.500  1.0
  U  U5  1  0.471  0.282  0.500  1.0
  P  P6  1  0.388  0.527  0.500  1.0
  P  P7  1  0.473  0.862  0.500  1.0
  P  P8  1  0.138  0.612  0.500  1.0
  P  P9  1  0.772  0.058  0.000  1.0
  P  P10  1  0.942  0.714  0.000  1.0
  P  P11  1  0.286  0.228  0.000  1.0
  P  P12  1  0.054  0.285  0.500  1.0
  P  P13  1  0.715  0.769  0.500  1.0
  P  P14  1  0.231  0.946  0.500  1.0
  P  P15  1  0.526  0.139  0.000  1.0
  P  P16  1  0.861  0.387  0.000  1.0
  P  P17  1  0.613  0.474  0.000  1.0
  P  P18  1  0.000  0.000  0.000  1.0
  Rh  Rh19  1  0.439  0.021  0.500  1.0
  Rh  Rh20  1  0.979  0.418  0.500  1.0
  Rh  Rh21  1  0.582  0.561  0.500  1.0
  Rh  Rh22  1  0.667  0.333  0.000  1.0
  Rh  Rh23  1  0.417  0.437  0.000  1.0
  Rh  Rh24  1  0.563  0.980  0.000  1.0
  Rh  Rh25  1  0.020  0.583  0.000  1.0
  Rh  Rh26  1  0.924  0.253  0.000  1.0
  Rh  Rh27  1  0.747  0.671  0.000  1.0
  Rh  Rh28  1  0.329  0.076  0.000  1.0
  Rh  Rh29  1  0.333  0.667  0.500  1.0
  Rh  Rh30  1  0.906  0.093  0.500  1.0
  Rh  Rh31  1  0.907  0.814  0.500  1.0
  Rh  Rh32  1  0.186  0.094  0.500  1.0
  Rh  Rh33  1  0.097  0.192  0.000  1.0
  Rh  Rh34  1  0.808  0.905  0.000  1.0
  Rh  Rh35  1  0.095  0.903  0.000  1.0
  Rh  Rh36  1  0.251  0.331  0.500  1.0
  Rh  Rh37  1  0.669  0.920  0.500  1.0
  Rh  Rh38  1  0.080  0.749  0.500  1.0
[/CIF]
.