Decay Kinetics and Binding Energies of Benzene Clusters

Autor:	Harald Krause, Hans Jürgen Neusser, Bernhard Ernstberger
Rok vydání:	1992
Předmět:	General Chemical Engineering Dimer Binding energy Trimer Mass spectrometry Dissociation (chemistry) Ion chemistry.chemical_compound chemistry Ionization Physics::Atomic and Molecular Clusters Cluster (physics) Physics::Chemical Physics Atomic physics
Zdroj:	Berichte der Bunsengesellschaft für physikalische Chemie. 96:1183-1187
ISSN:	0005-9021
DOI:	10.1002/bbpc.19920960919
Popis:	Dissociation energies for monomer evaporation from small (n ≤ 4) neutral and ionized molecular clusters are experimentally determined from the measured ionization potentials and the appearance potentials of the respective metastable decay channels of each cluster ion. The results strongly support a sandwich structure for benzene dimer and trimer ions. For larger benzene cluster ions up to n = 23 the dissociation energies are deduced from the measured intensities of their metastable decay applying the evaporative ensemble model combined with a restricted RRKM formalism. The dissociation energies are discussed as a function of cluster size and interpreted in terms of the interaction mechanism and the structure of the complex.
Databáze:	OpenAIRE
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