A diboryne in chemistry is a chemical compound containing a boron to boron triple bond. Such compounds are only investigated in academia and only a few have been reported. A diboryne stabilized by two carbon monoxide groups was reported isolated in matrix isolation in 2002. A diboryne stable at room temperature with two N-heterocyclic carbene units was reported in 2012. In terms of qualitative MO theory the B2 molecule is expected to have a single bond but with NHC ligands the third excited state yields a triple bond. Wikipedia [ - ]

A diboryne in chemistry is a chemical compound containing a boron to boron triple bond. Such... [ + ]