Gas Phase Chemistry

Schlemmer, Stephan; Geppert, Wolf D.; Wolf, A.; Glosı́k, J.; Parker, David H.; Wiesenfeld, Laurent; Kreckel, H.; Savin, D. W.; Asvany, Oskar

doi:10.1002/9783527653133.ch3

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Anion-neutral Reactions1

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2017

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“…Several anions have been identified in various astronomical environments, 117,118 and the understanding of their formation mechanisms is an ongoing field of research. 119,120 In solution, anion-induced reactions are common in the formation or cleavage of bonds. Among the large number of organic reactions where ionic intermediates play a deciding role, bimolecular nucleophilic substitution (S N 2) and base-induced elimination (E2) reactions are perhaps the two most common processes in synthetic pathways leading to carbon bond formation or functional group displacements.…”

Section: Anion-neutral Reactionsmentioning

confidence: 99%

Imaging the dynamics of ion–molecule reactions

2017

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A range of ion-molecule reactions have been studied in the last years using the crossed-beam ion imaging technique, from charge transfer and proton transfer to nucleophilic substitution and elimination. This review presents the detailed insights that have been gained with respect to the dynamics of both cation-molecule and anion-molecule reactions studied with this method. In particular, we show the recent progress that has been achieved to understand the atomistic energetics and dynamics of ion-molecule reactions, such as the effects of vibrational quantum states, the formation of carbon-carbon bonds, and the competition between nucleophilic substitution and elimination.

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