Tb2RuB6 crystallizes in the orthorhombic Pbam space group. There are two inequivalent Tb sites. In the first Tb site, Tb(1) is bonded in a 17-coordinate geometry to three equivalent Ru(1), two equivalent B(2), two equivalent B(3), two equivalent B(4), two equivalent B(5), two equivalent B(6), and four equivalent B(1) atoms. In the second Tb site, Tb(2) is bonded in a 14-coordinate geometry to two equivalent Ru(1), two equivalent B(2), two equivalent B(3), two equivalent B(4), two equivalent B(5), and four equivalent B(6) atoms. Ru(1) is bonded in a 15-coordinate geometry to two equivalent Tb(2), three equivalent Tb(1), two equivalent B(1), two equivalent B(2), two equivalent B(3), two equivalent B(4), and two equivalent B(5) atoms. There are six inequivalent B sites. In the first B site, B(1) is bonded in a 9-coordinate geometry to four equivalent Tb(1), two equivalent Ru(1), 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 Tb(1), two equivalent Tb(2), two equivalent Ru(1), one B(1), one B(3), and one B(6) atom. In the third B site, B(3) is bonded in a 9-coordinate geometry to two equivalent Tb(1), two equivalent Tb(2), two equivalent Ru(1), one B(2), 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 Tb(1), two equivalent Tb(2), two equivalent Ru(1), one B(3), one B(5), and one B(6) atom. In the fifth B site, B(5) is bonded in a 9-coordinate geometry to two equivalent Tb(1), two equivalent Tb(2), two equivalent Ru(1), one B(1), one B(3), and one B(4) atom. In the sixth B site, B(6) is bonded in a 9-coordinate geometry to two equivalent Tb(1), four equivalent Tb(2), one B(2), one B(4), and one B(6) atom.
Tb2RuB6 crystallizes in the orthorhombic Pbam space group. There are two inequivalent Tb sites. In the first Tb site, Tb(1) is bonded in a 17-coordinate geometry to three equivalent Ru(1), two equivalent B(2), two equivalent B(3), two equivalent B(4), two equivalent B(5), two equivalent B(6), and four equivalent B(1) atoms. There are a spread of Tb(1)-Ru(1) bond distances ranging from 3.07-3.20 Å. Both Tb(1)-B(2) bond lengths are 2.73 Å. Both Tb(1)-B(3) bond lengths are 2.80 Å. Both Tb(1)-B(4) bond lengths are 2.79 Å. Both Tb(1)-B(5) bond lengths are 2.78 Å. Both Tb(1)-B(6) bond lengths are 2.74 Å. There are two shorter (2.79 Å) and two longer (2.81 Å) Tb(1)-B(1) bond lengths. In the second Tb site, Tb(2) is bonded in a 14-coordinate geometry to two equivalent Ru(1), two equivalent B(2), two equivalent B(3), two equivalent B(4), two equivalent B(5), and four equivalent B(6) atoms. There is one shorter (2.86 Å) and one longer (2.87 Å) Tb(2)-Ru(1) bond length. Both Tb(2)-B(2) bond lengths are 2.63 Å. Both Tb(2)-B(3) bond lengths are 2.62 Å. Both Tb(2)-B(4) bond lengths are 2.61 Å. Both Tb(2)-B(5) bond lengths are 2.63 Å. All Tb(2)-B(6) bond lengths are 2.64 Å. Ru(1) is bonded in a 15-coordinate geometry to two equivalent Tb(2), three equivalent Tb(1), two equivalent B(1), two equivalent B(2), two equivalent B(3), two equivalent B(4), and two equivalent B(5) atoms. Both Ru(1)-B(1) bond lengths are 2.37 Å. Both Ru(1)-B(2) bond lengths are 2.38 Å. Both Ru(1)-B(3) bond lengths are 2.39 Å. Both Ru(1)-B(4) bond lengths are 2.41 Å. Both Ru(1)-B(5) bond lengths are 2.35 Å. There are six inequivalent B sites. In the first B site, B(1) is bonded in a 9-coordinate geometry to four equivalent Tb(1), two equivalent Ru(1), one B(1), one B(2), and one B(5) atom. The B(1)-B(1) bond length is 1.85 Å. The B(1)-B(2) bond length is 1.77 Å. The B(1)-B(5) bond length is 1.79 Å. In the second B site, B(2) is bonded in a 9-coordinate geometry to two equivalent Tb(1), two equivalent Tb(2), two equivalent Ru(1), one B(1), one B(3), and one B(6) atom. The B(2)-B(3) bond length is 1.81 Å. The B(2)-B(6) bond length is 1.82 Å. In the third B site, B(3) is bonded in a 9-coordinate geometry to two equivalent Tb(1), two equivalent Tb(2), two equivalent Ru(1), one B(2), one B(4), and one B(5) atom. The B(3)-B(4) bond length is 1.72 Å. The B(3)-B(5) bond length is 1.89 Å. In the fourth B site, B(4) is bonded in a 9-coordinate geometry to two equivalent Tb(1), two equivalent Tb(2), two equivalent Ru(1), one B(3), one B(5), and one B(6) atom. The B(4)-B(5) bond length is 1.79 Å. The B(4)-B(6) bond length is 1.80 Å. In the fifth B site, B(5) is bonded in a 9-coordinate geometry to two equivalent Tb(1), two equivalent Tb(2), two equivalent Ru(1), one B(1), one B(3), and one B(4) atom. In the sixth B site, B(6) is bonded in a 9-coordinate geometry to two equivalent Tb(1), four equivalent Tb(2), one B(2), one B(4), and one B(6) atom. The B(6)-B(6) bond length is 2.18 Å.