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OH-initiated oxidation of toluene. 1. Quantum chemistry investigation of the reaction path

机译:OH引发的甲苯氧化。 1.反应路径的量子化学研究

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In this paper we present the results of a detailed quantum chemistry investigation of the toluene-OH-O-2 system, mostly at the B3LYP/6-311G(2df,2pd) level. We focus on OH addition followed by H abstraction to O-2, a mechanism based on that proposed by Klotz et al. [Phys. Chem. Chem. Phys. 2000, 2, 227] to explain the experimentally observed photolysis products. A notable feature of the calculated minimum energy pathway is the formation of ketone intermediates during the isomerization from the toluene oxides to the cresols. The quantum chemistry results largely support the plausibility of the mechanism proposed by Klotz et al. The system provides a rich set of reactions with which to test statistical kinetic theories.
机译:在本文中,我们介绍了对甲苯-OH-O-2系统进行详细量子化学研究的结果,该研究主要在B3LYP / 6-311G(2df,2pd)水平进行。我们专注于OH加成,然后将H抽象为O-2,这是一种基于Klotz等人提出的机制。 [物理化学化学物理2000,2,227]解释了实验观察到的光解产物。计算的最小能量途径的显着特征是在从甲苯氧化物到甲酚的异构化过程中形成酮中间体。量子化学结果在很大程度上支持了Klotz等人提出的机理的合理性。该系统提供了丰富的反应集,可用于测试统计动力学理论。

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