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Original Articles

One-Dimensional Zinc and Cadmium Coordination Polymers Constructed by Dicyanamide Anions: Synthesis, Crystal Structure, and Fluorescent Property

, , , &
Pages 525-531 | Received 31 Jul 2010, Accepted 08 Aug 2011, Published online: 01 May 2012
 

Abstract

Two new one-dimensional coordination polymers, [Zn(L)2 (C2N3)2] n and [Cd(L)2(C2N3)2] n (L = 4-Cyanobenzylidene nicotinohydrazide, C2N3 = dicyanamide anions), have been synthesized and structurally characterized. These two compounds are isomorphs. Each metal center is coordinated to six nitrogen atoms from two L molecules and four dicyanamide anions, defining distorted octahedral coordination geometry. Dicyanamide anions acting as linear bridging ligands connect metal centers to form 1D chains along the crystallographic a axis. Furthermore, an interesting (3,4)-connected (83)2(85.10)-tfc topology of supramolecular 3D networks through hydrogen bonds based on 1D chains is constructed. Luminescent property of the Zn(II) coordination polymer has also been studied.

Acknowledgments

We are grateful to the financial support by the Science and Technology Foundation of Henan Province, China.

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