Carbonate and oxalate dianions as prolific hydrogen-bond acceptors in supramolecular assembly‡

Literature Information

Publication Date 2003-10-08
DOI 10.1039/B306649E
Impact Factor 6.222
Authors

Chi-Keung Lam, Thomas C. W. Mak


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Abstract

In the new inclusion compound [(C2H5)4N+]2·CO32−·7(NH2)2CS, the carbonate ion is surrounded by twelve convergent NH donor groups from six thiourea molecules to form a hydrogen-bonded aggregate shaped like two concave three-leaved propellers sharing a common core, whereas in [(n-C3H7)4N+]2·C2O42−·4(NH2)2CS the oxalate ion serves as a hub for binding four thiourea molecules to generate a cross-shaped structural motif.

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