Y2Rh3Si5 crystallizes in the monoclinic C2/c space group. Y(1) is bonded in a 17-coordinate geometry to two equivalent Rh(2), five equivalent Rh(1), two equivalent Si(1), two equivalent Si(2), two equivalent Si(3), and four equivalent Si(4) atoms. There are two inequivalent Rh sites. In the first Rh site, Rh(2) is bonded in a 6-coordinate geometry to four equivalent Y(1), one Si(1), one Si(3), and four equivalent Si(4) atoms. In the second Rh site, Rh(1) is bonded in a 5-coordinate geometry to five equivalent Y(1), one Si(1), one Si(3), one Si(4), and two equivalent Si(2) atoms. There are four inequivalent Si sites. In the first Si site, Si(1) is bonded in a 11-coordinate geometry to four equivalent Y(1), one Rh(2), two equivalent Rh(1), two equivalent Si(3), and two equivalent Si(4) atoms. In the second Si site, Si(2) is bonded in a 4-coordinate geometry to four equivalent Y(1) and four equivalent Rh(1) atoms. In the third Si site, Si(3) is bonded in a 3-coordinate geometry to four equivalent Y(1), one Rh(2), two equivalent Rh(1), two equivalent Si(1), and two equivalent Si(4) atoms. In the fourth Si site, Si(4) is bonded in a 9-coordinate geometry to four equivalent Y(1), one Rh(1), two equivalent Rh(2), one Si(1), and one Si(3) atom.
Y2Rh3Si5 crystallizes in the monoclinic C2/c space group. Y(1) is bonded in a 17-coordinate geometry to two equivalent Rh(2), five equivalent Rh(1), two equivalent Si(1), two equivalent Si(2), two equivalent Si(3), and four equivalent Si(4) atoms. There is one shorter (3.31 Å) and one longer (3.41 Å) Y(1)-Rh(2) bond length. There are a spread of Y(1)-Rh(1) bond distances ranging from 3.06-3.46 Å. There is one shorter (3.10 Å) and one longer (3.20 Å) Y(1)-Si(1) bond length. There is one shorter (2.98 Å) and one longer (3.24 Å) Y(1)-Si(2) bond length. There is one shorter (3.07 Å) and one longer (3.30 Å) Y(1)-Si(3) bond length. There are a spread of Y(1)-Si(4) bond distances ranging from 2.99-3.16 Å. There are two inequivalent Rh sites. In the first Rh site, Rh(2) is bonded in a 6-coordinate geometry to four equivalent Y(1), one Si(1), one Si(3), and four equivalent Si(4) atoms. The Rh(2)-Si(1) bond length is 2.66 Å. The Rh(2)-Si(3) bond length is 2.46 Å. There are two shorter (2.42 Å) and two longer (2.47 Å) Rh(2)-Si(4) bond lengths. In the second Rh site, Rh(1) is bonded in a 5-coordinate geometry to five equivalent Y(1), one Si(1), one Si(3), one Si(4), and two equivalent Si(2) atoms. The Rh(1)-Si(1) bond length is 2.47 Å. The Rh(1)-Si(3) bond length is 2.36 Å. The Rh(1)-Si(4) bond length is 2.36 Å. There is one shorter (2.38 Å) and one longer (2.41 Å) Rh(1)-Si(2) bond length. There are four inequivalent Si sites. In the first Si site, Si(1) is bonded in a 11-coordinate geometry to four equivalent Y(1), one Rh(2), two equivalent Rh(1), two equivalent Si(3), and two equivalent Si(4) atoms. Both Si(1)-Si(3) bond lengths are 2.84 Å. Both Si(1)-Si(4) bond lengths are 2.50 Å. In the second Si site, Si(2) is bonded in a 4-coordinate geometry to four equivalent Y(1) and four equivalent Rh(1) atoms. In the third Si site, Si(3) is bonded in a 3-coordinate geometry to four equivalent Y(1), one Rh(2), two equivalent Rh(1), two equivalent Si(1), and two equivalent Si(4) atoms. Both Si(3)-Si(4) bond lengths are 2.50 Å. In the fourth Si site, Si(4) is bonded in a 9-coordinate geometry to four equivalent Y(1), one Rh(1), two equivalent Rh(2), one Si(1), and one Si(3) atom.