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Observation of stable HO4+ and DO4+ ions from ion-molecule reactions in helium nanodroplets

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journal contribution
posted on 2016-05-05, 09:54 authored by Michael Renzler, Stefan Ralser, Lorenz Kranabetter, Erik Barwa, Paul Scheier, Andrew M. Ellis
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.

Funding

This work was given financial support by the Austrian Science Fund (FWF) Wien (P26635 and I978).

History

Citation

Physical Chemistry Chemical Physics, 2016, DOI: 10.1039/C6CP01895E

Author affiliation

/Organisation/COLLEGE OF SCIENCE AND ENGINEERING/Department of Chemistry

Version

  • AM (Accepted Manuscript)

Published in

Physical Chemistry Chemical Physics

Publisher

Royal Society of Chemistry

issn

1463-9076

eissn

1463-9084

Acceptance date

2016-04-25

Copyright date

2016

Available date

2017-04-25

Publisher version

http://pubs.rsc.org/en/Content/ArticleLanding/2016/CP/C6CP01895E#!divAbstract

Notes

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.

Language

en

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