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Complexes of gold and imidazole formed in helium nanodroplets
Stockholm University, Faculty of Science, Department of Physics. Universit├Ąt Innsbruck, Austria.ORCID iD: 0000-0003-1028-7976
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Number of Authors: 72018 (English)In: Physical Chemistry, Chemical Physics - PCCP, ISSN 1463-9076, E-ISSN 1463-9084, Vol. 20, no 11, p. 7739-7745Article in journal (Refereed) Published
Abstract [en]

We have studied complexes of gold atoms and imidazole (C3N2H4, abbreviated Im) produced in helium nanodroplets. Following the ionization of the doped droplets we detect a broad range of different Au(m)Im(n)(+) complexes, however we find that for specific values of m certain n are magic and thus particularly abundant. Our density functional theory calculations indicate that these abundant clusters sizes are partially the result of particularly stable complexes, e.g. AuIm(2)(+), and partially due to a transition in fragmentation patterns from the loss of neutral imidazole molecules for large systems to the loss of neutral gold atoms for smaller systems.

Place, publisher, year, edition, pages
2018. Vol. 20, no 11, p. 7739-7745
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Chemical Sciences Physical Sciences
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URN: urn:nbn:se:su:diva-156095DOI: 10.1039/c8cp00486bISI: 000428235800040PubMedID: 29498720OAI: oai:DiVA.org:su-156095DiVA, id: diva2:1205401
Available from: 2018-05-14 Created: 2018-05-14 Last updated: 2018-05-14Bibliographically approved

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