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Articles

Syntheses, crystal structures, and luminescent properties of two cadmium(II) complexes based on bis(imidazole) and dicarboxylate

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Pages 2118-2128 | Received 02 Nov 2012, Accepted 04 Feb 2013, Published online: 30 May 2013
 

Abstract

Two complexes, [Cd(ip–OH)(H2biim)(H2O)][Cd(ip–OH)(H2biim)(H2O)3]·8(H2O) (1) and [Cd(Himdc)(H2biim)] n (2) (H2ip–OH = 5-hydroxylisophthalic acid, H2biim = 2,2’-biimidazolate, H3imdc = 4,5-imidazoledicarboxylic acid), have been hydrothermally synthesized and structurally characterized by single-crystal X-ray diffraction. 1 is a 3-D supramolecular network constructed by 0-D and 1-D motifs through hydrogen bonds and π⋯π interactions. Complex 2 is a 1-D zigzag polymeric coordination chain and the chains are connected to form a 3-D supramolecular network by hydrogen bonds. The complexes were characterized by elemental and thermogravimetric analyses. Fluorescence was also investigated.

Acknowledgments

This work was supported by the NSF of China (21271038, 21071027), the China High-Tech Development 863 Program (2007AA03Z218) and analysis and testing foundation of Northeast Normal University.

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