Vibrational tuning of the Hydrogen transfer in malonaldehyde - a combined FTIR and Raman jet study

Vibrational tuning of the Hydrogen transfer in malonaldehyde - a combined FTIR and Raman jet study
Luettschwager, N. O. B. ; Wassermann, T. N.; Coussan, S. & Suhm, M. A.  (2013) 
Molecular Physics111(14-15) pp. 2211-2227.​

Authors
Luettschwager, Nils O. B. ; Wassermann, Tobias N.; Coussan, Stephane; Suhm, Martin A. 
Issue Date
2013
Type
Journal Article
Publisher
Taylor & Francis Ltd
Journal
Molecular Physics 
Organization
Institut für Physikalische Chemie 
ISSN
1362-3028; 0026-8976
Abstract
Tunnelling splittings in vibrationally excited malonaldehyde are derived from complementary FTIR and Raman spectra utilising jet cooling and matrix isolation. Values from 0 to 69 cm(-1) (i.e. from complete quenching of the proton tunnelling to an acceleration by a factor of 3) are firmly assigned, underscoring a strong coupling between hydrogen transfer and vibrational excitation. More tentative assignments involve even larger effects for the OO breathing vibration. The results are discussed with respect to the corresponding normal modes and compared to previous theoretical predictions.
Publication of Göttingen University
Yes
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