X-ray diffraction and 13C solid-state NMR studies of the solvate of tetra(C-undecyl)calix[4]resorcinarene with dimethylacetamide

文献情報

出版日 2002-05-01

DOI 10.1039/B107416B

インパクトファクター 3.676

著者

Lukasz Dobrzycki, Krzysztof Wozniak, Francesca Benevelli, Jacek Klinowski

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要旨

Single crystal X-ray diffraction (XRD) analysis of the complex of calix[4]resorcinarene (CAV11) with dimethylacetamide (DMA) shows that the CAV11 molecules form centrosymmetric dimers, held by van der Waals interactions of the C-undecyl aliphatic chains. The dimers are associated in layers with hydroxyl groups at the surfaces. The DMA molecules are found between the CAV11 layers, above the cavities formed by the resorcine units and distant from them. They join the layers of CAV11 by molecular forces, in particular by various hydrogen bonds, and are relatively immobile. The 13C CP/MAS spectra are in reasonable agreement with the XRD results.

掲載誌

Physical Chemistry Chemical Physics

CiteScore: 5.5

自己引用率: 10.3%

年間論文数: 3036

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