# BENDING TUNNELLING FORM HCN TO CNH

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 Title: BENDING TUNNELLING FORM HCN TO CNH Creators: Bunker, P. R.; Ross, Stephen C. Issue Date: 1982 Publisher: Ohio State University Abstract: We are interested in the internal rotation'' bending motion that interconverts the HCN and CNH molecules. Using the ab initio bending potential curve (1) the J-0 bending energy levels were calculated by Bunker and Howe (2). These results were not very close to the experimental energies and in the present work we have adjusted the bending potential energy curve to optimize the fit of the bending energy levels to experiment. The effect of end-over-end rotation on the tunnelling rates has also been considered. Description: $^{1}$P.K. Pearson, H.F. Schacffer III, and U. Wahlgren, J. Chem. Phys, 62, 350 (1975). $^{2}$P.R. Bunker and D.J. Howe, J. Mol. Spectrosc. 83, 288 (1980). URI: http://hdl.handle.net/1811/29101 Other Identifiers: 1982-WE-12