Ho2RuB6 crystallizes in the orthorhombic Pbam space group. There are two inequivalent Ho sites. In the first Ho site, Ho(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 Ho site, Ho(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 Ho(2), three equivalent Ho(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 Ho(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 Ho(1), two equivalent Ho(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 Ho(1), two equivalent Ho(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 Ho(1), two equivalent Ho(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 Ho(1), two equivalent Ho(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 Ho(1), four equivalent Ho(2), one B(2), one B(4), and one B(6) atom.
Ho2RuB6 crystallizes in the orthorhombic Pbam space group. There are two inequivalent Ho sites. In the first Ho site, Ho(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 two shorter (3.06 Å) and one longer (3.18 Å) Ho(1)-Ru(1) bond length. Both Ho(1)-B(2) bond lengths are 2.71 Å. Both Ho(1)-B(3) bond lengths are 2.77 Å. Both Ho(1)-B(4) bond lengths are 2.76 Å. Both Ho(1)-B(5) bond lengths are 2.76 Å. Both Ho(1)-B(6) bond lengths are 2.73 Å. There are two shorter (2.77 Å) and two longer (2.79 Å) Ho(1)-B(1) bond lengths. In the second Ho site, Ho(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 (2.84 Å) and one longer (2.85 Å) Ho(2)-Ru(1) bond length. Both Ho(2)-B(2) bond lengths are 2.61 Å. Both Ho(2)-B(3) bond lengths are 2.60 Å. Both Ho(2)-B(4) bond lengths are 2.59 Å. Both Ho(2)-B(5) bond lengths are 2.61 Å. There are two shorter (2.61 Å) and two longer (2.62 Å) Ho(2)-B(6) bond lengths. Ru(1) is bonded in a 15-coordinate geometry to two equivalent Ho(2), three equivalent Ho(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 2.35 Å. Both Ru(1)-B(2) bond lengths are 2.37 Å. Both Ru(1)-B(3) bond lengths are 2.38 Å. Both Ru(1)-B(4) bond lengths are 2.40 Å. Both Ru(1)-B(5) bond lengths are 2.33 Å. There are six inequivalent B sites. In the first B site, B(1) is bonded in a 9-coordinate geometry to four equivalent Ho(1), two equivalent Ru(1), one B(1), one B(2), and one B(5) atom. The B(1)-B(1) bond length is 1.82 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 Ho(1), two equivalent Ho(2), two equivalent Ru(1), one B(1), one B(3), and one B(6) atom. The B(2)-B(3) bond length is 1.80 Å. The B(2)-B(6) bond length is 1.81 Å. In the third B site, B(3) is bonded in a 9-coordinate geometry to two equivalent Ho(1), two equivalent Ho(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 1.86 Å. In the fourth B site, B(4) is bonded in a 9-coordinate geometry to two equivalent Ho(1), two equivalent Ho(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 1.79 Å. In the fifth B site, B(5) is bonded in a 9-coordinate geometry to two equivalent Ho(1), two equivalent Ho(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 Ho(1), four equivalent Ho(2), one B(2), one B(4), and one B(6) atom. The B(6)-B(6) bond length is 2.12 Å.