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Decay pathways for protonated and deprotonated adenine molecules
Stockholm University, Faculty of Science, Department of Physics.
Stockholm University, Faculty of Science, Department of Physics. Universidad Autónoma de Madrid, Spain.
Stockholm University, Faculty of Science, Department of Physics.
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Number of Authors: 92019 (English)In: Journal of Chemical Physics, ISSN 0021-9606, E-ISSN 1089-7690, Vol. 151, no 4, article id 044306Article in journal (Refereed) Published
Abstract [en]

We have measured fragment mass spectra and total destruction cross sections for protonated and deprotonated adenine following collisions with He at center-of-mass energies in the 20-240 eV range. Classical and ab initio molecular dynamics simulations are used to provide detailed information on the fragmentation pathways and suggest a range of alternative routes compared to those reported in earlier studies. These new pathways involve, for instance, losses of HNC molecules from protonated adenine and losses of NH2 or C3H2N2 from deprotonated adenine. The present results may be important to advance the understanding of how biomolecules may be formed and processed in various astrophysical environments.

Place, publisher, year, edition, pages
2019. Vol. 151, no 4, article id 044306
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Chemical Sciences Physical Sciences
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URN: urn:nbn:se:su:diva-171998DOI: 10.1063/1.5109963ISI: 000478625700041PubMedID: 31370544OAI: oai:DiVA.org:su-171998DiVA, id: diva2:1347183
Available from: 2019-08-30 Created: 2019-08-30 Last updated: 2019-08-30Bibliographically approved

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Giacomozzi, LindaD'Angelo, Giovannade Ruette, NathalieStockett, Mark H.Cederquist, HenrikSchmidt, Henning T.Zettergren, Henning
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