References
- Harris , D.O. , Engerholm , G.G. and Gwinn , W.D. 1965 . J. chem. Phys. , 43 : 1515 – 1515 .
- Hoy , A.R. , Mills , I.M. and Strey , G. 1972 . Molec. Phys. , 24 : 1265 – 1265 .
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- Huber , D. Int. J. quant. Chem. , 28 245 – 245 .
- Dickinson , A.S. and Certain , P.R. 1968 . J. chem. Phys. , 49 : 4209 – 4209 .
- Huber , D. 1986 . Molec. Phys. , 57 : 1169 – 1169 .
- Whitehead , R.J. and Handy , N.C. 1975 . J. molec. Spectrosc. , 55 : 356 – 356 . Unfortunately a slight input error occurred during the calculation of [7] so that we do not use the vibrational results published in [7] but the corrected ones obtained by private communication