Support for =C-H***O hydrogen bonds from vibrational spectroscopy of model compounds

Bert Lutz; J. A. Kanters; John H. van der Maas

doi:10.1117/12.166741

31 January 1994 Support for =C-H***O hydrogen bonds from vibrational spectroscopy of model compounds

Bert Lutz, J. A. Kanters, John H. van der Maas

Proceedings Volume 2089, 9th International Conference on Fourier Transform Spectroscopy; (1994) https://doi.org/10.1117/12.166741
Event: Fourier Transform Spectroscopy: Ninth International Conference, 1993, Calgary, Canada

Abstract

Weak intermolecular interactions attract more attention not only because of a better understanding of the ordering of molecules in crystals, solutions and liquids, but in particular because they seem to be driving forces in catalytic activity and can be specifically recognized in biological systems. Infrared spectroscopy is known to be a sensitive technique to locate weak inter- and intramolecular hydrogen bonds. Extremely short intermolecular C- H(DOT)(DOT)(DOT)O and OH(DOT)(DOT)(DOT)(pi) distances were calculated from x-ray data for 2-ethynyladamantanol-2. Interpretation of its infrared spectrum showed that for this compound the equalsVC-H stretching vibration has shifted to lower frequency due to intermolecular interaction. We have investigated some other compounds (solids and liquids, pure and in solution) which were though to possess distinct triple bond CH(DOT)(DOT)(DOT)O hydrogen bonds.

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Bert Lutz, J. A. Kanters, and John H. van der Maas "Support for =C-H***O hydrogen bonds from vibrational spectroscopy of model compounds", Proc. SPIE 2089, 9th International Conference on Fourier Transform Spectroscopy, (31 January 1994); https://doi.org/10.1117/12.166741

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