Ho(RuB)2 crystallizes in the tetragonal I4_1/acd space group. Ho(1) is bonded in a 4-coordinate geometry to two equivalent Ru(1) and two equivalent B(1) atoms. Ru(1) is bonded in a 5-coordinate geometry to one Ho(1), two equivalent Ru(1), and two equivalent B(1) atoms. B(1) is bonded in a 5-coordinate geometry to one Ho(1), two equivalent Ru(1), and two equivalent B(1) atoms.
Ho(RuB)2 crystallizes in the tetragonal I4_1/acd space group. Ho(1) is bonded in a 4-coordinate geometry to two equivalent Ru(1) and two equivalent B(1) atoms. Both Ho(1)-Ru(1) bond lengths are 2.85 Å. Both Ho(1)-B(1) bond lengths are 2.45 Å. Ru(1) is bonded in a 5-coordinate geometry to one Ho(1), two equivalent Ru(1), and two equivalent B(1) atoms. Both Ru(1)-Ru(1) bond lengths are 2.41 Å. There is one shorter (2.02 Å) and one longer (2.19 Å) Ru(1)-B(1) bond length. B(1) is bonded in a 5-coordinate geometry to one Ho(1), two equivalent Ru(1), and two equivalent B(1) atoms. There is one shorter (1.64 Å) and one longer (1.78 Å) B(1)-B(1) bond length.