B6H6 is an octahedral boron cluster. Synthetically it is feasible to replace part of the hydrogen (H) atoms with deuterium (D). The structures of the two isomers of B6H4D22 are shown below. Here the B-H and B-D bonds are pointing away from the center of the B6 octahedron. H-B H. B H B-H Draw the B-H stretching vibration patterns for each of the vibration modes and list its corresponding irreducible representation. Determine the IR-active B-H stretching vibration modes. Determine the Raman-active B-H stretching vibration modes.