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首页> 外文期刊>The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory >A Computational Study of Neutral and Charged Pyrroles.Functionalization of 1-Phenylpyrrole and 25-Dimethyl-1-phenylpyrrole with Electron Donating Methylsulfanyl Groups
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A Computational Study of Neutral and Charged Pyrroles.Functionalization of 1-Phenylpyrrole and 25-Dimethyl-1-phenylpyrrole with Electron Donating Methylsulfanyl Groups

机译:中性和带电荷的吡咯的计算研究.1-苯基吡咯和25-二甲基-1-苯基吡咯的电子给体甲基硫烷基官能化

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We present a detailed computational study of the geometric structure and torsional potential of 1-phenylpyrrole, 2,5-dimethyl-1-phenylpyrrole, 3,4-bis(methylsulfanyl)-1-phenylpyrrole, and 3,4-bis(methylsulfanyl)-2,5-dimethyl-1-phenylpyrrole. Both the neutral molecule and the corresponding radical catoin are investigated for each compound. Calculations of the neutral species and radical cations are performed at the RHF/6-31G(d) and UHF/6-31G(d) levels, respectively. Our study has two major aims: (1) assess and evaluate the effects of the bulky methyl substituents at 2,5 positions and (ii) to investigate the effects exerted by the electron donating methylsulfanyl groups. The analysis of the results has revealed that both the methyl and methyl sulfanyl substituents induce unusual structural properties, particularly in the radical cations.
机译:我们对1-苯基吡咯,2,5-二甲基-1-苯基吡咯,3,4-双(甲基硫烷基)-1-苯基吡咯和3,4-双(甲基硫烷基)的几何结构和扭转势进行了详细的计算研究-2,5-二甲基-1-苯基吡咯。对每种化合物都研究了中性分子和相应的自由基连环蛋白。中性物质和自由基阳离子的计算分别在RHF / 6-31G(d)和UHF / 6-31G(d)水平进行。我们的研究有两个主要目标:(1)评估和评估在2,5位上庞大的甲基取代基的作用;(ii)研究供电子甲基硫基所产生的作用。对结果的分析表明,甲基和甲基硫烷基取代基均引起异常的结构性质,特别是在自由基阳离子中。

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