Bimolecular reactions of the dications and trications of atoms and small molecules in the gas-phase

IF 2.5 2区 化学 Q3 CHEMISTRY, PHYSICAL International Reviews in Physical Chemistry Pub Date : 2017-02-06 DOI:10.1080/0144235X.2017.1283844
S. Price, James D Fletcher, F. E. Gossan, M. Parkes
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引用次数: 20

Abstract

Abstract This review discusses the recent developments in our understanding of the electron transfer and bond-forming reactions of small atomic and molecular dications in the gas-phase. A summary of the properties of isolated dications is presented, followed by a review of the major experimental techniques used to probe dicationic reactivity. Electron transfer reactions of dications with neutral species are then discussed, including recent rationalisations of this class of reactivity using simple electrostatic models. Our current understanding of the reactions of dications with neutral atoms and molecules which result in the formation of new chemical bonds is then presented. This part of the account is built around three case studies, including some new results on the bond-forming reactions of with CH4. Moving beyond dicationic species, the account then discusses recent results concerning the bond-forming reactivity of tricationic atoms and small molecules. This section includes the mechanistic conclusions drawn from the first results involving the coincident detection of all three positively charged species generated from the reaction of a molecular trication: + O2 → SO+ + CS+ + O+. The review concludes with some thoughts concerning the future development of the field.
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原子和小分子在气相中的指示和曲折的双分子反应
摘要本文综述了近年来我们对气相中小原子和分子指示物的电子转移和成键反应的认识的最新进展。本文概述了分离指示物的性质,然后回顾了用于探测指示物反应性的主要实验技术。然后讨论了具有中性物质的指示物的电子转移反应,包括最近使用简单静电模型对这类反应性的合理化。然后介绍了我们目前对指示与中性原子和分子的反应的理解,这些反应导致新的化学键的形成。这一部分是围绕三个案例研究建立的,包括一些与CH4成键反应的新结果。超越了三价态,叙述然后讨论了最近关于三价态原子和小分子的成键反应性的结果。本节包括从第一个结果中得出的机制结论,该结果涉及同时检测由分子三化反应产生的所有三种正电荷:+ O2→so++ CS+ + o++。最后,对该领域的未来发展提出了一些看法。
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来源期刊
CiteScore
14.20
自引率
1.60%
发文量
5
审稿时长
1 months
期刊介绍: International Reviews in Physical Chemistry publishes review articles describing frontier research areas in physical chemistry. Internationally renowned scientists describe their own research in the wider context of the field. The articles are of interest not only to specialists but also to those wishing to read general and authoritative accounts of recent developments in physical chemistry, chemical physics and theoretical chemistry. The journal appeals to research workers, lecturers and research students alike.
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