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

D. Schröder; J. Loos; R. Thissen; O. Dutuit; Philippe Mourgues; Henri Audier; C. Lifshitz; H. Schwarz

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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https://hal-polytechnique.archives-ouvertes.fr/hal-00918088
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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

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

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

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