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Proceedings Paper

Support for =C-H***O hydrogen bonds from vibrational spectroscopy of model compounds
Author(s): Bert Lutz; J. A. Kanters; John H. van der Maas
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Paper 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.

Paper Details

Date Published: 31 January 1994
PDF: 2 pages
Proc. SPIE 2089, 9th International Conference on Fourier Transform Spectroscopy, (31 January 1994); doi: 10.1117/12.166741
Show Author Affiliations
Bert Lutz, Univ. Utrecht (Netherlands)
J. A. Kanters, Univ. Utrecht (Netherlands)
John H. van der Maas, Univ. Utrecht (Netherlands)

Published in SPIE Proceedings Vol. 2089:
9th International Conference on Fourier Transform Spectroscopy
John E. Bertie; Hal Wieser, Editor(s)

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