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Chemical Reactivity Indices for the Complete Series of Chlorinated Benzenes:Solvent Effect

机译:完整系列氯化苯的化学反应性指标:溶剂效应

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We present a comprehensive analysis to probe the effect of solvation on the reactivity of the complete series of chlorobenzenes through the conceptual density functional theory (DFT)-based global and local descriptors.We propose a multiphilic descriptor in this study to explore the nature of attack at a particular site in a molecule.It is defined as the difference between nucleophilic and electrophilic condensed philicity functions.This descriptor is capable of explaining both the nucleophilicity and electrophilicity of the given atomic sites in the molecule simultaneously.The predictive ability of this descriptor is tested on the complete series of chlorobenzenes in gas and solvent media.A structure-toxicity analysis of these entire sets of chlorobenzenes toward aquatic organisms demonstrates the importance of the electrophilicity index in the prediction of the reactivity/toxicity.
机译:通过基于概念密度泛函理论(DFT)的全局和局部描述符,我们进行了全面的分析以探讨溶剂化对完整系列氯苯反应性的影响。在本研究中,我们提出了一种多亲描述符来探讨攻击的性质定义为亲核和亲电缩合亲和功能之间的差异,该描述符能够同时解释分子中给定原子位点的亲核和亲电,该描述符的预测能力为对整个系列的氯苯在气体和溶剂介质中进行了测试。对整个整套氯苯对水生生物的结构毒性分析表明,亲电性指数在预测反应性/毒性中非常重要。

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