U2Ru3Si5 crystallizes in the monoclinic C2/c space group. U(1) is bonded in a 16-coordinate geometry to two equivalent Ru(2), four equivalent Ru(1), two equivalent Si(2), two equivalent Si(3), two equivalent Si(4), and four equivalent Si(1) atoms. There are two inequivalent Ru sites. In the first Ru site, Ru(2) is bonded in a 6-coordinate geometry to four equivalent U(1), one Si(2), one Si(4), and four equivalent Si(1) atoms. In the second Ru site, Ru(1) is bonded in a 5-coordinate geometry to four equivalent U(1), one Si(1), one Si(2), one Si(4), and two equivalent Si(3) 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 Ru(2), one Si(2), and one Si(4) atom. In the second Si site, Si(2) is bonded in a 3-coordinate geometry to four equivalent U(1), one Ru(2), two equivalent Ru(1), and two equivalent Si(1) atoms. In the third Si site, Si(3) is bonded in a 4-coordinate geometry to four equivalent U(1) and four equivalent Ru(1) atoms. In the fourth Si site, Si(4) is bonded in a 9-coordinate geometry to four equivalent U(1), one Ru(2), two equivalent Ru(1), and two equivalent Si(1) atoms.
U2Ru3Si5 crystallizes in the monoclinic C2/c space group. U(1) is bonded in a 16-coordinate geometry to two equivalent Ru(2), four equivalent Ru(1), two equivalent Si(2), two equivalent Si(3), two equivalent Si(4), and four equivalent Si(1) atoms. There is one shorter (3.38 Å) and one longer (3.40 Å) U(1)-Ru(2) bond length. There are a spread of U(1)-Ru(1) bond distances ranging from 3.00-3.25 Å. There is one shorter (3.07 Å) and one longer (3.29 Å) U(1)-Si(2) bond length. There is one shorter (2.99 Å) and one longer (3.24 Å) U(1)-Si(3) bond length. There is one shorter (3.11 Å) and one longer (3.15 Å) U(1)-Si(4) bond length. There are a spread of U(1)-Si(1) bond distances ranging from 2.96-3.19 Å. There are two inequivalent Ru sites. In the first Ru site, Ru(2) is bonded in a 6-coordinate geometry to four equivalent U(1), one Si(2), one Si(4), and four equivalent Si(1) atoms. The Ru(2)-Si(2) bond length is 2.42 Å. The Ru(2)-Si(4) bond length is 2.61 Å. There are two shorter (2.41 Å) and two longer (2.47 Å) Ru(2)-Si(1) bond lengths. In the second Ru site, Ru(1) is bonded in a 5-coordinate geometry to four equivalent U(1), one Si(1), one Si(2), one Si(4), and two equivalent Si(3) atoms. The Ru(1)-Si(1) bond length is 2.36 Å. The Ru(1)-Si(2) bond length is 2.36 Å. The Ru(1)-Si(4) bond length is 2.49 Å. There is one shorter (2.43 Å) and one longer (2.46 Å) Ru(1)-Si(3) bond length. 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 Ru(2), one Si(2), and one Si(4) atom. The Si(1)-Si(2) bond length is 2.50 Å. The Si(1)-Si(4) bond length is 2.55 Å. In the second Si site, Si(2) is bonded in a 3-coordinate geometry to four equivalent U(1), one Ru(2), two equivalent Ru(1), and two equivalent Si(1) atoms. In the third Si site, Si(3) is bonded in a 4-coordinate geometry to four equivalent U(1) and four equivalent Ru(1) atoms. In the fourth Si site, Si(4) is bonded in a 9-coordinate geometry to four equivalent U(1), one Ru(2), two equivalent Ru(1), and two equivalent Si(1) atoms.