Article Dans Une Revue The Journal of Chemical Physics Année : 2015

Excited state of protonated benzene and toluene

Résumé

We present photo-fragmentation electronic spectra of the simplest protonated aromatic molecules, protonated benzene and toluene, recorded under medium resolution conditions and compared with the photo-fragmentation spectrum of protonated pyridine. Despite the resolution and cold temperature achieved in the experiment, the electronic spectra of protonated benzene and toluene are structure-less, thus intrinsically broadened. This is in agreement with the large geometrical changes and the fast dynamic toward internal conversion predicted by ab-initio calculations for protonated benzene (M. F. Rode, A. L. Sobolewski, C. Dedonder, C. Jouvet, and O. Dopfer, J. Phys. Chem. A 113, 5865–5873 (2009).

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hal-01188573 , version 1 (31-08-2015)

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Natalia Esteves-López, Claude Dedonder-Lardeux, Christophe Jouvet. Excited state of protonated benzene and toluene. The Journal of Chemical Physics, 2015, 143, pp.074303-1. ⟨10.1063/1.4928692⟩. ⟨hal-01188573⟩
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