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Title: Observation of stable HO4+ and DO4+ ions from ion-molecule reactions in helium nanodroplets
Authors: Renzler, Michael
Ralser, Stefan
Kranabetter, Lorenz
Barwa, Erik
Scheier, Paul
Ellis, Andrew M.
First Published: 25-Apr-2016
Publisher: Royal Society of Chemistry
Citation: Physical Chemistry Chemical Physics, 2016, DOI: 10.1039/C6CP01895E
Abstract: Ion–molecule reactions between clusters of H₂/D₂ and O₂ in liquid helium nanodroplets were initiated by electron-induced ionization (at 70 eV). Reaction products were detected by mass spectrometry and can be explained by a primary reaction channel involving proton transfer from H₃+ or H₃+(H₂)n clusters and their deuterated equivalents. Very little HO₂+ is seen from the reaction of H₃+ with O₂, which is attributed to an efficient secondary reaction between HO₂+ and H₂. On the other hand HO₄+ is the most abundant product from the reaction of H₃+ with oxygen dimer, (O₂)₂. The experimental data suggest that HO₄+ is a particularly stable ion and this is consistent with recent theoretical studies of this ion.
DOI Link: 10.1039/C6CP01895E
ISSN: 1463-9076
eISSN: 1463-9084
Version: Post-print
Status: Peer-reviewed
Type: Journal Article
Rights: Copyright © the authors, 2016. After embargo this version will be an open-access article distributed under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives License (, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.
Description: The file associated with this record is under an 12-month embargo from publication in accordance with the publisher's self-archiving policy. The full text may be available through the publisher links provided above.
Appears in Collections:Published Articles, Dept. of Chemistry

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