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Delocalization in Substituted Benzene Dications: A Magnetic Point of View.
ChemistryOpen ( IF 2.5 ) Pub Date : 2020-06-02 , DOI: 10.1002/open.202000105
Mesías Orozco-Ic 1 , Jorge Barroso 1 , Rafael Islas 2 , Gabriel Merino 1
Affiliation  

In this work, the induced magnetic field is analyzed for a series of substituted benzenes dications with formula C6R62+ (R=I, At, SeH, SeCH3, TeH, TeCH3), presumably exhibiting concentric aromaticity. Previous studies concluded that in the carbon skeleton, just π‐electrons are delocalized. However, our results support that both the σ‐ and π‐electrons are delocalized in the carbon skeleton, combined with a σ‐delocalization in the external ring. The role of the relativistic effects in these dications is discussed in detail.

中文翻译:


取代苯阳离子中的离域:磁性观点。



在这项工作中,分析了一系列化学式为 C 6 R 6 2+ (R=I、At、SeH、SeCH 3 、TeH、TeCH 3 ) 的取代苯双阳离子的感应磁场,推测它们表现出同心芳香性。先前的研究得出结论,在碳骨架中,只有 π 电子是离域的。然而,我们的结果支持 σ 电子和 π 电子在碳骨架中离域,并且外环中存在 σ 离域。详细讨论了相对论效应在这些迹象中的作用。
更新日期:2020-06-02
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