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Angew Chem Int Ed Engl. 2001 Aug 03;40(15):2867-2869. doi: 10.1002/1521-3773(20010803)40:15<2867::AID-ANIE2867>3.0.CO;2-U.

Double Photoionization of Dimethylaminobenzonitrile in Solution: A Three-Quantum Process with Intervening Chemical Step.

Angewandte Chemie (International ed. in English)

Martin Goez, Valentin Zubarev

Affiliations

  1. Fachbereich Chemie Martin-Luther-Universität Halle-Wittenberg Kurt-Mothes-Strasse 2, 06120 Halle/Saale (Germany) Fax: (+49)?345-55-27-657.

PMID: 29711995 DOI: 10.1002/1521-3773(20010803)40:15<2867::AID-ANIE2867>3.0.CO;2-U

Abstract

Startling facts are often revealed by the quantitative investigation of a reaction thought to be understood. The photoionization of dimethylaminobenzonitrile, which was previously regarded as biphotonic, was found to occur by the successive absorption of three photons, and to produce two electrons per starting molecule [Eq. (1)]. The explanation is an intervening rapid chemical reaction: deprotonation followed by intramolecular charge transfer.

© 2001 WILEY-VCH Verlag GmbH, Weinheim, Fed. Rep. of Germany.

Keywords: charge transfer; kinetics; laser chemistry; photochemistry; solvated electrons

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