Barrier height titration by tunable photoionization combined with chemical monitoring: Unimolecular keto/enol tautomerization of the acetamide cation radical

D. Schröder 1 J. Loos 1 R. Thissen 2 O. Dutuit 2 Philippe Mourgues 3 Henri Audier 3 C. Lifshitz 4 H. Schwarz 1
1 Institut für Chemie
2 LCPO - Laboratoire de Chimie Physique D'Orsay
3 DCMR - Laboratoire des mécanismes réactionnels
4 Department of Physical Chemistry
Abstract : By using a new "titration" technique, the activation barrier for the strictly unimolecular 1,3-hydrogen migration 1*+ ? 2*+ has been determined (0.74 ± 0.06 eV; see reaction profile). With this technique the internal energy of 1*+ is controlled by variable photoionization of acetamide and the chemistry of the resulting enol ion 2*+ is then probed by structure- specific ion - molecule reactions.
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Submitted on : Friday, December 13, 2013 - 5:39:37 PM
Last modification on : Wednesday, March 20, 2019 - 12:12:02 PM

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D. Schröder, J. Loos, R. Thissen, O. Dutuit, Philippe Mourgues, et al.. Barrier height titration by tunable photoionization combined with chemical monitoring: Unimolecular keto/enol tautomerization of the acetamide cation radical. Angewandte Chemie International Edition, Wiley-VCH Verlag, 2002, 41 (15), pp.2748-2751. ⟨10.1002/1521-3773(20020802)41:15<2748::AID-ANIE2748>3.0.CO;2-V⟩. ⟨hal-00918088⟩

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