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Reaction dynamics o...
Reaction dynamics of the methoxy anion CH3O− with methyl iodide CH3I
- Article/chapterEnglish2024
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2024
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2024
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printrdacarrier
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LIBRIS-ID:oai:DiVA.org:su-231608
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https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-231608URI
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https://doi.org/10.1039/d3fd00164dDOI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
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Studying larger nucleophiles in bimolecular nucleophilic substitution (SN2) reactions bridges the gap from simple model systems to those relevant to organic chemistry. Therefore, we investigated the reaction dynamics between the methoxy anion (CH3O−) and iodomethane (CH3I) in our crossed-beam setup combined with velocity map imaging at the four collision energies 0.4, 0.7, 1.2, and 1.6 eV. We find the two ionic products I− and CH2I−, which can be attributed to the SN2 and proton transfer channels, respectively. The proton transfer channel progresses in a previously observed fashion from indirect to direct scattering with increasing collision energy. Interestingly, the SN2 channel exhibits direct dynamics already at low collision energies. Both the direct stripping, leading to forward scattering, and the direct rebound mechanism, leading to backward scattering into high angles, are observed.
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Sundelin, David,1985-Stockholms universitet,Fysikum(Swepub:su)dasu1491
(author)
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Michaelsen, Tim
(author)
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Ayasli, Atilay
(author)
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Swaraj, Dasarath
(author)
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Judy, Jerin
(author)
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Zappa, Fabio
(author)
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Geppert, Wolf,1967-Stockholms universitet,Fysikum(Swepub:su)wgeppert
(author)
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Wester, Roland
(author)
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Stockholms universitetFysikum
(creator_code:org_t)
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In:Faraday discussions1359-66401364-5498
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Gstir, Thomas
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Sundelin, David, ...
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Michaelsen, Tim
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Ayasli, Atilay
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Swaraj, Dasarath
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Judy, Jerin
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Zappa, Fabio
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Geppert, Wolf, 1 ...
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Wester, Roland
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- NATURAL SCIENCES
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NATURAL SCIENCES
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Stockholm University