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极性和非极性溶剂中S(N)2反应的经验价键模型。

Empirical valence bond model of an S(N)2 reaction in polar and nonpolar solvents.

作者信息

Benjamin Ilan

机构信息

Department of Chemistry and Biochemistry, University of California, Santa Cruz, California 95064, USA.

出版信息

J Chem Phys. 2008 Aug 21;129(7):074508. doi: 10.1063/1.2970083.

DOI:10.1063/1.2970083
PMID:19044784
Abstract

A new model for the substitution nucleophilic reaction (S(N)2) in solution is described using the empirical valence bond (EVB) method. The model includes a generalization to three dimensions of a collinear gas phase EVB model developed by Mathis et al. [J. Mol. Liq. 61, 81 (1994)] and a parametrization of solute-solvent interactions of four different solvents (water, ethanol, chloroform, and carbon tetrachloride). The model is used to compute (in these four solvents) reaction free energy profiles, reaction and solvent dynamics, a two-dimensional reaction/solvent free energy map, as well as a number of other properties that in the past have mostly been estimated.

摘要

利用经验价键(EVB)方法描述了一种溶液中亲核取代反应(S(N)2)的新模型。该模型包括对Mathis等人[《分子液体杂志》61, 81 (1994)]开发的共线气相EVB模型的三维推广,以及对四种不同溶剂(水、乙醇、氯仿和四氯化碳)溶质-溶剂相互作用的参数化。该模型用于计算(在这四种溶剂中)反应自由能曲线、反应和溶剂动力学、二维反应/溶剂自由能图,以及许多过去大多是估算的其他性质。

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引用本文的文献

1
The EVB as a quantitative tool for formulating simulations and analyzing biological and chemical reactions.作为一种用于制定模拟以及分析生物和化学反应的定量工具的EVB。
Faraday Discuss. 2010;145:71-106. doi: 10.1039/B907354J.
2
On unjustifiably misrepresenting the EVB approach while simultaneously adopting it.在不合理地歪曲事件相关电位(EVB)方法的同时又采用该方法。
J Phys Chem B. 2009 Aug 6;113(31):10905-15. doi: 10.1021/jp901709f.