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溶剂对苯芳香性影响的理论研究:核独立化学位移分析

Theoretical study of the solvent effect on the aromaticity of benzene: a NICS analysis.

作者信息

Junqueira Georgia M A, Dos Santos Hélio F

机构信息

Departamento de Química, Universidade Federal de Juiz de Fora, Juiz de Fora, MG, 36036-900, Brazil,

出版信息

J Mol Model. 2014 Mar;20(3):2152. doi: 10.1007/s00894-014-2152-5. Epub 2014 Feb 25.

DOI:10.1007/s00894-014-2152-5
PMID:24567161
Abstract

Nucleus-independent chemical shift (NICS) quantities for benzene-benzene and benzene-water species were obtained and are discussed in gas phase and in solution. Besides standard polarizable continuum model (PCM) calculations, sequential Monte Carlo/quantum mechanics (S-MC/QM) were also performed. Benzene was shown to be slightly more aromatic in condensate phase when we considered the average solvent configuration (ASEC) approach with explicit molecules.

摘要

获得了苯-苯和苯-水物种的非核独立化学位移(NICS)量,并在气相和溶液中进行了讨论。除了标准的极化连续介质模型(PCM)计算外,还进行了顺序蒙特卡罗/量子力学(S-MC/QM)计算。当我们使用含显式分子的平均溶剂构型(ASEC)方法时,苯在凝聚相中显示出稍高的芳香性。

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本文引用的文献

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Nucleus-Independent Chemical Shifts:  A Simple and Efficient Aromaticity Probe.核独立化学位移:一种简单高效的芳香性探针。
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Solvent effects on global reactivity properties for neutral and charged systems using the sequential Monte Carlo quantum mechanics model.使用序贯蒙特卡罗量子力学模型研究溶剂对中性和带电体系全局反应活性性质的影响。
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On the performance of some aromaticity indices: a critical assessment using a test set.
关于一些芳香性指数的性能:使用测试集的批判性评估
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Solvent effects on the UV-visible absorption spectrum of benzophenone in water: a combined Monte Carlo quantum mechanics study including solute polarization.溶剂对水中二苯甲酮紫外可见吸收光谱的影响:一项包括溶质极化的蒙特卡罗量子力学联合研究
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Which NICS aromaticity index for planar pi rings is best?对于平面π环,哪种NICS芳香性指数是最佳的?
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