Yb2RhB6 crystallizes in the orthorhombic Pbam space group. There are two inequivalent Yb sites. In the first Yb site, Yb(1) is bonded in a 17-coordinate geometry to three equivalent Rh(1), two equivalent B(1), two equivalent B(2), two equivalent B(4), two equivalent B(5), two equivalent B(6), and four equivalent B(3) atoms. In the second Yb site, Yb(2) is bonded in a 14-coordinate geometry to two equivalent Rh(1), two equivalent B(2), two equivalent B(4), two equivalent B(5), two equivalent B(6), and four equivalent B(1) atoms. Rh(1) is bonded in a 15-coordinate geometry to two equivalent Yb(2), three equivalent Yb(1), two equivalent B(2), two equivalent B(3), two equivalent B(4), two equivalent B(5), and two equivalent B(6) atoms. There are six inequivalent B sites. In the first B site, B(1) is bonded in a 9-coordinate geometry to two equivalent Yb(1), four equivalent Yb(2), one B(1), one B(2), and one B(5) atom. In the second B site, B(2) is bonded in a 9-coordinate geometry to two equivalent Yb(1), two equivalent Yb(2), two equivalent Rh(1), one B(1), one B(4), and one B(6) atom. In the third B site, B(3) is bonded in a 9-coordinate geometry to four equivalent Yb(1), two equivalent Rh(1), one B(3), one B(4), and one B(5) atom. In the fourth B site, B(4) is bonded in a 9-coordinate geometry to two equivalent Yb(1), two equivalent Yb(2), two equivalent Rh(1), one B(2), one B(3), and one B(6) atom. In the fifth B site, B(5) is bonded in a 9-coordinate geometry to two equivalent Yb(1), two equivalent Yb(2), two equivalent Rh(1), one B(1), one B(3), and one B(6) atom. In the sixth B site, B(6) is bonded in a 9-coordinate geometry to two equivalent Yb(1), two equivalent Yb(2), two equivalent Rh(1), one B(2), one B(4), and one B(5) atom.
Yb2RhB6 crystallizes in the orthorhombic Pbam space group. There are two inequivalent Yb sites. In the first Yb site, Yb(1) is bonded in a 17-coordinate geometry to three equivalent Rh(1), two equivalent B(1), two equivalent B(2), two equivalent B(4), two equivalent B(5), two equivalent B(6), and four equivalent B(3) atoms. There are a spread of Yb(1)-Rh(1) bond distances ranging from 3.05-3.16 Å. Both Yb(1)-B(1) bond lengths are 2.87 Å. Both Yb(1)-B(2) bond lengths are 2.79 Å. Both Yb(1)-B(4) bond lengths are 2.75 Å. Both Yb(1)-B(5) bond lengths are 2.75 Å. Both Yb(1)-B(6) bond lengths are 2.77 Å. There are two shorter (2.77 Å) and two longer (2.80 Å) Yb(1)-B(3) bond lengths. In the second Yb site, Yb(2) is bonded in a 14-coordinate geometry to two equivalent Rh(1), two equivalent B(2), two equivalent B(4), two equivalent B(5), two equivalent B(6), and four equivalent B(1) atoms. There is one shorter (2.78 Å) and one longer (2.80 Å) Yb(2)-Rh(1) bond length. Both Yb(2)-B(2) bond lengths are 2.57 Å. Both Yb(2)-B(4) bond lengths are 2.58 Å. Both Yb(2)-B(5) bond lengths are 2.60 Å. Both Yb(2)-B(6) bond lengths are 2.57 Å. All Yb(2)-B(1) bond lengths are 2.61 Å. Rh(1) is bonded in a 15-coordinate geometry to two equivalent Yb(2), three equivalent Yb(1), two equivalent B(2), two equivalent B(3), two equivalent B(4), two equivalent B(5), and two equivalent B(6) atoms. Both Rh(1)-B(2) bond lengths are 2.40 Å. Both Rh(1)-B(3) bond lengths are 2.37 Å. Both Rh(1)-B(4) bond lengths are 2.35 Å. Both Rh(1)-B(5) bond lengths are 2.38 Å. Both Rh(1)-B(6) bond lengths are 2.38 Å. There are six inequivalent B sites. In the first B site, B(1) is bonded in a 9-coordinate geometry to two equivalent Yb(1), four equivalent Yb(2), one B(1), one B(2), and one B(5) atom. The B(1)-B(1) bond length is 1.81 Å. The B(1)-B(2) bond length is 1.86 Å. The B(1)-B(5) bond length is 1.86 Å. In the second B site, B(2) is bonded in a 9-coordinate geometry to two equivalent Yb(1), two equivalent Yb(2), two equivalent Rh(1), one B(1), one B(4), and one B(6) atom. The B(2)-B(4) bond length is 1.77 Å. The B(2)-B(6) bond length is 1.72 Å. In the third B site, B(3) is bonded in a 9-coordinate geometry to four equivalent Yb(1), two equivalent Rh(1), one B(3), one B(4), and one B(5) atom. The B(3)-B(3) bond length is 1.85 Å. The B(3)-B(4) bond length is 1.76 Å. The B(3)-B(5) bond length is 1.78 Å. In the fourth B site, B(4) is bonded in a 9-coordinate geometry to two equivalent Yb(1), two equivalent Yb(2), two equivalent Rh(1), one B(2), one B(3), and one B(6) atom. The B(4)-B(6) bond length is 1.86 Å. In the fifth B site, B(5) is bonded in a 9-coordinate geometry to two equivalent Yb(1), two equivalent Yb(2), two equivalent Rh(1), one B(1), one B(3), and one B(6) atom. The B(5)-B(6) bond length is 1.79 Å. In the sixth B site, B(6) is bonded in a 9-coordinate geometry to two equivalent Yb(1), two equivalent Yb(2), two equivalent Rh(1), one B(2), one B(4), and one B(5) atom.