U2Ru2RhSi5 crystallizes in the monoclinic C2/c space group. U(1) is bonded in a 16-coordinate geometry to four equivalent Ru(1), two equivalent Rh(1), two equivalent Si(2), two equivalent Si(3), two equivalent Si(4), and four equivalent Si(1) atoms. Ru(1) is bonded in a 5-coordinate geometry to four equivalent U(1), one Si(1), one Si(3), one Si(4), and two equivalent Si(2) atoms. Rh(1) is bonded in a 6-coordinate geometry to four equivalent U(1), one Si(3), one Si(4), and four equivalent Si(1) atoms. There are four inequivalent Si sites. In the first Si site, Si(1) is bonded in a 9-coordinate geometry to four equivalent U(1), one Ru(1), two equivalent Rh(1), one Si(3), and one Si(4) atom. In the second Si site, Si(2) is bonded in a 4-coordinate geometry to four equivalent U(1) and four equivalent Ru(1) atoms. In the third Si site, Si(3) is bonded in a 3-coordinate geometry to four equivalent U(1), two equivalent Ru(1), one Rh(1), and two equivalent Si(1) atoms. In the fourth Si site, Si(4) is bonded in a 3-coordinate geometry to four equivalent U(1), two equivalent Ru(1), one Rh(1), and two equivalent Si(1) atoms.
U2Ru2RhSi5 crystallizes in the monoclinic C2/c space group. U(1) is bonded in a 16-coordinate geometry to four equivalent Ru(1), two equivalent Rh(1), two equivalent Si(2), two equivalent Si(3), two equivalent Si(4), and four equivalent Si(1) atoms. There are a spread of U(1)-Ru(1) bond distances ranging from 2.98-3.28 Å. There is one shorter (3.40 Å) and one longer (3.45 Å) U(1)-Rh(1) bond length. There is one shorter (2.99 Å) and one longer (3.24 Å) U(1)-Si(2) bond length. There is one shorter (3.10 Å) and one longer (3.28 Å) U(1)-Si(3) bond length. There is one shorter (3.09 Å) and one longer (3.21 Å) U(1)-Si(4) bond length. There are a spread of U(1)-Si(1) bond distances ranging from 3.01-3.14 Å. Ru(1) is bonded in a 5-coordinate geometry to four equivalent U(1), one Si(1), one Si(3), one Si(4), and two equivalent Si(2) atoms. The Ru(1)-Si(1) bond length is 2.36 Å. The Ru(1)-Si(3) bond length is 2.36 Å. The Ru(1)-Si(4) bond length is 2.48 Å. There is one shorter (2.42 Å) and one longer (2.45 Å) Ru(1)-Si(2) bond length. Rh(1) is bonded in a 6-coordinate geometry to four equivalent U(1), one Si(3), one Si(4), and four equivalent Si(1) atoms. The Rh(1)-Si(3) bond length is 2.44 Å. The Rh(1)-Si(4) bond length is 2.62 Å. There are two shorter (2.42 Å) and two longer (2.49 Å) Rh(1)-Si(1) bond lengths. There are four inequivalent Si sites. In the first Si site, Si(1) is bonded in a 9-coordinate geometry to four equivalent U(1), one Ru(1), two equivalent Rh(1), one Si(3), and one Si(4) atom. The Si(1)-Si(3) bond length is 2.50 Å. The Si(1)-Si(4) bond length is 2.54 Å. In the second Si site, Si(2) is bonded in a 4-coordinate geometry to four equivalent U(1) and four equivalent Ru(1) atoms. In the third Si site, Si(3) is bonded in a 3-coordinate geometry to four equivalent U(1), two equivalent Ru(1), one Rh(1), and two equivalent Si(1) atoms. In the fourth Si site, Si(4) is bonded in a 3-coordinate geometry to four equivalent U(1), two equivalent Ru(1), one Rh(1), and two equivalent Si(1) atoms.