U6Rh20P13 crystallizes in the trigonal P-3 space group. U(1) is bonded in a 16-coordinate geometry to one Rh(4), two equivalent Rh(1), three equivalent Rh(2), four equivalent Rh(3), two equivalent P(2), and four equivalent P(1) atoms. There are four inequivalent Rh sites. In the first Rh site, Rh(1) is bonded in a 9-coordinate geometry to six equivalent U(1) and three equivalent P(1) atoms. In the second Rh site, Rh(2) is bonded in a 12-coordinate geometry to three equivalent U(1), two equivalent Rh(3), three equivalent Rh(4), one P(1), and three equivalent P(2) atoms. In the third Rh site, Rh(3) is bonded in a 12-coordinate geometry to four equivalent U(1), two equivalent Rh(2), two equivalent Rh(3), one P(2), and three equivalent P(1) atoms. In the fourth Rh site, Rh(4) is bonded in a 4-coordinate geometry to one U(1), three equivalent Rh(2), one P(3), and three equivalent P(2) atoms. There are three 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(2), and three equivalent Rh(3) atoms. In the second P site, P(2) is bonded in a 9-coordinate geometry to two equivalent U(1), one Rh(3), three equivalent Rh(2), and three equivalent Rh(4) atoms. In the third P site, P(3) is bonded in a distorted octahedral geometry to six equivalent Rh(4) atoms.
U6Rh20P13 crystallizes in the trigonal P-3 space group. U(1) is bonded in a 16-coordinate geometry to one Rh(4), two equivalent Rh(1), three equivalent Rh(2), four equivalent Rh(3), two equivalent P(2), and four equivalent P(1) atoms. The U(1)-Rh(4) bond length is 3.38 Å. Both U(1)-Rh(1) bond lengths are 3.03 Å. There are a spread of U(1)-Rh(2) bond distances ranging from 3.11-3.32 Å. There are a spread of U(1)-Rh(3) bond distances ranging from 3.21-3.29 Å. There is one shorter (2.96 Å) and one longer (2.98 Å) U(1)-P(2) bond length. There are a spread of U(1)-P(1) bond distances ranging from 3.01-3.05 Å. There are four inequivalent Rh sites. In the first Rh site, Rh(1) is bonded in a 9-coordinate geometry to six equivalent U(1) and three equivalent P(1) atoms. All Rh(1)-P(1) bond lengths are 2.32 Å. In the second Rh site, Rh(2) is bonded in a 12-coordinate geometry to three equivalent U(1), two equivalent Rh(3), three equivalent Rh(4), one P(1), and three equivalent P(2) atoms. There is one shorter (2.75 Å) and one longer (2.76 Å) Rh(2)-Rh(3) bond length. There are a spread of Rh(2)-Rh(4) bond distances ranging from 2.80-2.85 Å. The Rh(2)-P(1) bond length is 2.33 Å. There are a spread of Rh(2)-P(2) bond distances ranging from 2.39-2.54 Å. In the third Rh site, Rh(3) is bonded in a 12-coordinate geometry to four equivalent U(1), two equivalent Rh(2), two equivalent Rh(3), one P(2), and three equivalent P(1) atoms. Both Rh(3)-Rh(3) bond lengths are 2.77 Å. The Rh(3)-P(2) bond length is 2.48 Å. There are a spread of Rh(3)-P(1) bond distances ranging from 2.40-2.43 Å. In the fourth Rh site, Rh(4) is bonded in a 4-coordinate geometry to one U(1), three equivalent Rh(2), one P(3), and three equivalent P(2) atoms. The Rh(4)-P(3) bond length is 2.37 Å. There are a spread of Rh(4)-P(2) bond distances ranging from 2.32-2.54 Å. There are three 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(2), and three equivalent Rh(3) atoms. In the second P site, P(2) is bonded in a 9-coordinate geometry to two equivalent U(1), one Rh(3), three equivalent Rh(2), and three equivalent Rh(4) atoms. In the third P site, P(3) is bonded in a distorted octahedral geometry to six equivalent Rh(4) atoms.