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Journal of Coordination Chemistry Volume 64, 2011 - Issue 6
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Original Articles

Two cobalt(II) complexes based on 2-propyl-4,5-imidazoledicarboxylic acid: syntheses, crystal structures, and properties

Zhi-Rong Luo College of Chemistry and Ecological Engineering, Guangxi University for Nationalities, Nanning 530006, P.R. China
,
Ji-Chang Zhuang College of Chemistry and Ecological Engineering, Guangxi University for Nationalities, Nanning 530006, P.R. China
,
Qiao-Lan Wu College of Chemistry and Ecological Engineering, Guangxi University for Nationalities, Nanning 530006, P.R. China
,
Xianhong Yin College of Chemistry and Ecological Engineering, Guangxi University for Nationalities, Nanning 530006, P.R. ChinaCorrespondence[email protected]
,
Sheng-Wei Tan College of Chemistry and Ecological Engineering, Guangxi University for Nationalities, Nanning 530006, P.R. China
&
Ji-Zhong Liu College of Chemistry and Ecological Engineering, Guangxi University for Nationalities, Nanning 530006, P.R. China
Pages 1054-1062 | Received 17 Sep 2010, Accepted 30 Nov 2010, Published online: 09 Mar 2011
 
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Abstract

Two complexes, [Co(H2pimdc)2(H2O)2] · 2DMF (1) and [Co(H2pimca)2(H2O)2] · 4H2O (2), have been designed, synthesized, and characterized (X-ray single crystal analysis, thermal analysis, electrochemical analysis, and infrared spectrum) based on the imidazole ligand [H3pimdc = 2-propyl-4,5-imidazoledicarboxylic acid]. Both compounds have 3-D hydrogen-bonding networks. Because of different coordination of water, 1 forms a layer-like geometry via hydrogen bonds, but 2 forms a fishingnet-like latticed geometry via hydrogen bonds.

Acknowledgments

The authors thank the National Natural Science Foundation of China (20761002), P.R. China, the Natural Science Foundation of Guangxi (0832080), P.R. China and the Innovation Project of Guangxi University for Nationalities (gxun-chx2010083).

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