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Issue 48, 2009
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Electronically excited states of protonated aromatic molecules: benzaldehyde

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Abstract

The photofragmentation spectrum of protonated benzaldehyde has been recorded in the 435–385 nm wavelength range. The first excited state is a ππ* state, strongly red shifted compared to the ππ* state of neutral benzaldehyde. The spectrum presents well resolved vibronic bands in contrast to some other protonated aromatic molecules like benzene or tryptophan in which the excited state dynamics is so fast that no vibrational structure can be observed. The bands can be assigned on the basis of a Franck–Condon analysis using ground and excited state frequencies calculated at the CC2/TZVP level.

Graphical abstract: Electronically excited states of protonated aromatic molecules: benzaldehyde

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Publication details

The article was received on 07 Jul 2009, accepted on 30 Sep 2009 and first published on 21 Oct 2009


Article type: Paper
DOI: 10.1039/B913422K
Citation: Phys. Chem. Chem. Phys., 2009,11, 11479-11486
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    Electronically excited states of protonated aromatic molecules: benzaldehyde

    I. Alata, R. Omidyan, C. Dedonder-Lardeux, M. Broquier and C. Jouvet, Phys. Chem. Chem. Phys., 2009, 11, 11479
    DOI: 10.1039/B913422K

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