Photodissociation spectrum of cyanobenzene dimer cation. Absence of intermolecular resonance interaction

Photodissociation spectrum of cyanobenzene dimer cation. Absence of intermolecular resonance... Electronic spectra of a homo-molecular dimer cation, (C6H5CN)2 +, are measured by photodissociation spectroscopy in the gas phase. Broad features appeared in the 450–650 nm region are characteristic of π3 → πCN transitions of the C6H5CN+ chromophore. No intense band is observed in the 650–1300 nm region, where other aromatic dimer cations usually show charge resonance bands. Two component molecules of (C6H5CN)2 + cannot take a parallel sandwich configuration suitable for the resonance interaction, because of geometrical constraints due to other stronger interactions. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Photodissociation spectrum of cyanobenzene dimer cation. Absence of intermolecular resonance interaction

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Publisher
Springer Netherlands
Copyright
Copyright © 1998 by Springer
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1163/156856798X00393
Publisher site
See Article on Publisher Site

Abstract

Electronic spectra of a homo-molecular dimer cation, (C6H5CN)2 +, are measured by photodissociation spectroscopy in the gas phase. Broad features appeared in the 450–650 nm region are characteristic of π3 → πCN transitions of the C6H5CN+ chromophore. No intense band is observed in the 650–1300 nm region, where other aromatic dimer cations usually show charge resonance bands. Two component molecules of (C6H5CN)2 + cannot take a parallel sandwich configuration suitable for the resonance interaction, because of geometrical constraints due to other stronger interactions.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Apr 15, 2009

References

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