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Hexacoordinate bonding and aromaticity in silicon phthalocyanine

机译:硅酞菁的六配位键合和芳香性

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摘要

Si-E bondings in hexacoordinate silicon phthalocyanine were analyzed using bond order (BO), energy partition, atoms in molecules (AIM), electron localization function (ELF), and localized orbital locator (LOL). Bond models were proposed to explain differences between hexacoordinate and tetracoordinate Si-E bondings. Aromaticity of silicon phthalocyanine was investigated using nucleus-independent chemical shift (NICS), harmonic oscillator model of aromaticity (HOMA), conceptual density functional theory (DFT), ring critical point (RCP) descriptors, and delocalization index (DI). Structure, energy, bonding, and aromaticity of tetracoordinate silicon phthalocyanine were studied and compared with hexacoordinate one.
机译:使用键序(BO),能量分配,分子中的原子(AIM),电子定位功能(ELF)和局部轨道定位器(LOL)分析了六配位硅酞菁中的Si-E键。提出了键模型来解释六配位和四配位Si-E键之间的差异。使用原子核无关化学位移(NICS),芳香族谐波振荡器模型(HOMA),概念密度泛函理论(DFT),环临界点(RCP)描述符和离域指数(DI)研究了硅酞菁的芳香性。研究了四配位硅酞菁的结构,能量,键合和芳香性,并与六配位硅酞菁进行了比较。

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