Issue 6, 2003
From the journal:

Physical Chemistry Chemical Physics

Photoinduced intramolecular electron transfer in 4-dimethylaminopyridines†

Izabela Szydłowska,a   Alexander Kyrychenko,a   Jacek Nowackib  and  Jerzy Herbich*ac  

* Corresponding authors

a Institute of Physical Chemistry Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland

b Department of Chemistry, Warsaw University, Pasteura 1, 02-093 Warsaw, Poland

c Faculty of Mathematics and Science, Cardinal Stefan Wyszyński University, Dewajtis 5, 01-815 Warsaw, Poland
E-mail: herbich@ichf.edu.pl
Tel: +48 22 6325276

Abstract

Contrary to 4-(dimethylamino)pyridine (DMAP), which revealed solvent-dependent dual fluorescence, its sterically hindered ortho-methylated derivatives: 3-methyl-4-(dimethylamino)pyridine and 3,5-dimethyl-4-(dimethylamino)pyridine show single charge transfer fluorescence band. The electronic structures of the lowest excited states and molecular geometries were investigated by stationary and kinetic absorption and fluorescence spectroscopy as well as time-dependent density functional response theory (TD-DFT) and semiempirical (INDO/S) calculations. The results can be interpreted in terms of the TICT state model.

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Article information

DOI
https://doi.org/10.1039/B209731A
Article type
Paper
Submitted
07 Oct 2002
Accepted
06 Jan 2003
First published
16 Jan 2003

Phys. Chem. Chem. Phys., 2003,5, 1032-1038

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Photoinduced intramolecular electron transfer in 4-dimethylaminopyridines

I. Szydłowska, A. Kyrychenko, J. Nowacki and J. Herbich, Phys. Chem. Chem. Phys., 2003, 5, 1032 DOI: 10.1039/B209731A

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