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Hostguest charge transfer states: CN doped Kr and Xe S. L. Fiedler
 

Summary: Host­guest charge transfer states: CN doped Kr and Xe
S. L. Fiedler
Department of Chemistry, University of California, Irvine, California 92697-2025
Kari Vaskonen, Jussi Ahokas, and Henrik Kunttu
Department of Chemistry, University of Jyva¨skyla¨, P.O. Box 35, FIN-40351 Jyva¨skyla¨, Finland
Jussi Eloranta
Department of Chemistry, University of California, Irvine, California 92697-2025
and Department of Chemistry, University of Jyva¨skyla¨, P.O. Box 35, FIN-40351 Jyva¨skyla¨, Finland
V. A. Apkariana)
Department of Chemistry, University of California, Irvine, California 92697-2025
Received 2 July 2002; accepted 20 August 2002
The host­guest charge transfer absorption of CN doped krypton and xenon matrices are identified
through direct analogy with the previously assigned transitions of Cl/Kr and Cl/Xe. These intense,
structured absorption bands appear with the onset at 245 nm in Kr and 360 nm in Xe. Excitation of
the CN/Kr charge transfer band at 193 nm leads to emission over CN(A(2
)X(2
)) transition,
indicating that an efficient curve crossing precludes the ionic state from radiating. No emissions
were seen in CN/Xe when excited at 193 nm. The charge transfer absorption spectrum of CN/Kr is
reproduced through an extended diatomics-in-ionic-systems treatment, using accurate ab initio pair

  

Source: Apkarian, V. Ara - Department of Chemistry, University of California, Irvine

 

Collections: Chemistry