Thermal isomerization in isolated cesium–halide cluster anions

We have used photoelectron spectroscopy to observe thermal isomerization in cesium–halide cluster anions. In many of the (CsX)nCsm− (X=Cl, Br, I; n=2–7; m=0, 1) systems we have studied, small changes in the source nozzle temperature produce dramatic changes in the distributions of cluster isomers. T...

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Veröffentlicht in:The Journal of chemical physics 1999-03, Vol.110 (11), p.5100-5108
Hauptverfasser: Fatemi, F. K., Fatemi, D. J., Bloomfield, L. A.
Format: Artikel
Sprache:eng
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Zusammenfassung:We have used photoelectron spectroscopy to observe thermal isomerization in cesium–halide cluster anions. In many of the (CsX)nCsm− (X=Cl, Br, I; n=2–7; m=0, 1) systems we have studied, small changes in the source nozzle temperature produce dramatic changes in the distributions of cluster isomers. There is also evidence that the isomer distributions are in dynamic equilibrium, with their temperatures controlling the rates and probabilities of isomerization processes. We present data and discussion of several cluster families that exhibit this behavior.
ISSN:0021-9606
1089-7690
DOI:10.1063/1.478407