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Dissociation pathways and binding energies of (LiH)nLi+ and (LiH)nLi+3 clusters (1996)

Antoine, R. ; Dugourd, Ph. ; Rayane, D. ; [weitere]

College Park, Md. : American Institute of Physics (AIP)

The Journal of Chemical Physics 104 (1996), S. 110-119

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ISSN: 1089-7690

Quelle: AIP Digital Archive

Thema: Physik , Chemie und Pharmazie

Notizen: The metastable decomposition of hydrogenated lithium cluster ions (LiH)nLi+m(m=0, 1 and 3; n≤15) is studied by using a reflectron mass spectrometer. These clusters are found to decompose by evaporation of a LiH or a Li2H2 molecule. The binding energy of these clusters are determined, using a statistical model which has been adapted to mixed clusters. Comparison with other mixed clusters suggests that (LiH)nLi+ clusters form compact cubic structure similar to pieces of a crystal lattice. For (LiH)nLi+3 clusters, the dissociation channels are more surprising, and the localization of the two excess electrons is discussed, as well as the possible existence of an energy barrier for the dissociation. © 1996 American Institute of Physics.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1063/1.470880

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