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Magic numbers and stabilities of heavy water clusters,(D2O)ND+, N = 3 −48

Journal article
Authors Klavs Hansen
Mauritz Johan Ryding
einar Uggerud
Published in International Journal of Mass Spectrometry
Volume 440
Pages 14-19
ISSN 1387-3806
Publication year 2019
Published at Department of Physics (GU)
Pages 14-19
Language en
Links https://doi.org/10.1016/j.ijms.2019...
Keywords Heavy water; Clusters; Unimolecular reactions; Binding energies
Subject categories Atom and Molecular Physics and Optics, Physical Chemistry

Abstract

The abundance spectrum of deuterated heavy water clusters has been measured, and relative dissociationenergies were extracted from the abundances. The dissociation energies are similar to those of protonatedlight water clusters, except for a slightly reduced excess stability of the N = 21 cluster relative to the N = 22cluster. The difference is interpreted in terms of the special geometry of the N = 21 cluster. The absenceof a similar effect for N = 28/29 suggests that the stability of the N = 28 cluster is not due to a closed shellstructure

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