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Coordination and supramolecular assemblies of Mono-hydroxylated octamethylcucurbit[6]uril with alkali and alkaline earth metal ions in the presence of polychloride cadmium anions

Abstract

The interactions of alkali metal (A+ = Na+, K+, Rb+, Cs+) and alkaline earth metal cations (AE2+ = Mg2+, Ca2+, Sr2+, Ba2+) with mono-hydroxylated octamethylcucurbit[6]uril {(OH)OMeQ[6]} have been investigated in the presence of polychloride cadmium anions as structure-directing agents. Single-crystal X-ray diffraction analysis has revealed that the interactions of (OH)OMeQ[6] with A+ or AE2+ cations results in the formation of (OH)OMeQ[6]-based coordination complexes from (OH)OMeQ[6]–ACl or AECl2–CdCl2–HCl systems, in which the Cd2+ cation forms [Cd2Cl8]4− or [CdCl4]2− anions that serve as structure-directing agents in the formation of (OH)OMeQ[6]/A+ or AE2+-based supramolecular assemblies.

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Publication details

The article was received on 20 Apr 2017, accepted on 14 Jun 2017 and first published on 15 Jun 2017


Article type: Paper
DOI: 10.1039/C7CE00751E
Citation: CrystEngComm, 2017, Accepted Manuscript
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    Coordination and supramolecular assemblies of Mono-hydroxylated octamethylcucurbit[6]uril with alkali and alkaline earth metal ions in the presence of polychloride cadmium anions

    F. Shen, J. Zhao, K. Chen, J. Xu, Y. Wang, Z. Hua, L. Wu, M. Chen, Y. Zhang and Z. Tao, CrystEngComm, 2017, Accepted Manuscript , DOI: 10.1039/C7CE00751E

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