Dibenzothiophene Derivatives: From Herringbone to Lamellar Packing Motif

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• 作者：Chengliang Wang ; Huanli Dong ; Hongxiang Li ; Huaping Zhao ; Qing Meng ; Wenping Hu
• 刊名：Crystal Growth & Design
• 出版年：2010
• 出版时间：September 1, 2010
• 年：2010
• 卷：10
• 期：9
• 页码：4155-4160
• 全文大小：1020K
• 年卷期：v.10,no.9(September 1, 2010)
• ISSN：1528-7505

文摘

It is generally believed that π−π stacking would be much more efficient than herringbone stacking for the transporting of charge carriers. The electron-withdrawing group sulphone unit was introduced into dibenzothiophene (DBT) derivatives, and lamellar structures were observed in the single crystals of the products along with strong, long-range π−π intermolecular interactions. As a contrast, the reduced materials adopted herringbone packing. We contributed this change of packing motif to the polarity of the sulphone unit. These results are meaningful to the molecular design to obtain π−π stacking.