Diboryne Explained

A diboryne in chemistry is a chemical compound containing a boron–boron triple bond. Such compounds are of fundamental importance in the study of chemical bonding, though only few have been reported. A diboryne stabilized by two carbon monoxide groups, (OC)B≡B(CO), was reported isolated in matrix isolation in 2002.[1] A diboryne stable at room temperature with two N-heterocyclic carbene (NHC) units was reported by Holger Braunschweig et al. in 2012.[2] In terms of qualitative molecular orbital theory, the B2 molecule itself is expected to have a single bond, but with NHC ligands, the third excited state yields a triple bond.[3]

See also

Notes and References

  1. 12405806. 2002. Zhou. M. Tsumori. N. Li. Z. Fan. K. Andrews. L. Xu. Q. OCBBCO: A neutral molecule with some boron-boron triple bond character. 124. 44. 12936–7. Journal of the American Chemical Society. 10.1021/ja026257+.
  2. 10.1126/science.1221138. Ambient-Temperature Isolation of a Compound with a Boron-Boron Triple Bond. 2012. Braunschweig. H.. Dewhurst. R. D.. Hammond. K.. Mies. J.. Radacki. K.. Vargas. A.. Science. 336. 6087. 1420–2. 22700924. 2012Sci...336.1420B. 206540959.
  3. 10.1002/chem.201101915. Structures and Stabilities of Group 13 Adducts.... 2011. Holzmann. N.. Stasch. A.. Jones. C.. Frenking. G.. Chemistry: A European Journal. 17. 1521–3765. 13517–13525. 22038936.

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