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Synthesis, structure, and luminescent properties of two novel polynuclear complexes of 1,3-di(pyridin-2-yl)propane-1,3-dione

Jin-Ting Tan, Wen-Jie Zhao, San-Ping Chen, Xia Li, Ying-Li Lu, Xing Feng, and Xu-Wu Yang

Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, Shaanxi Key Laboratory of Physico-Inorganic Chemistry, College of Chemistry and Materials Science, Northwest University, Xi’an, 710069 China

 

E-mail: yangxuwu@nwu.edu.cn

Abstract: Two complexes, {[Cd6(o-dppd)22-Cl)63-Cl)2(DMF)2(H2O)2Cl2]·DMF·CH3OH} n (I) (DMF = N,N-dimethylformamide; o-dppdH = 1,3-di(pyridin-2-yl)propane-1,3-dione) and [Cu4(o-dppd)2(OAc)4(OH)2]·4H2O (II), were synthesised and characterised by single-crystal X-ray diffraction, elemental analysis, IR, solid fluorescence and TGA. The results showed that complex I had a rodshaped polynuclear chain with hexacoordinating Cd atoms bridged by oxygen, µ2-Cl and µ3-Cl; complex II was a tetranuclear oligomer. In general, supramolecular architectures are constructed through hydrogen-bonding and π-π stacking interactions. I shows luminescence.

Keywords: β-diketone – polynuclear – supramolecular – solid fluorescence

Full paper is available at www.springerlink.com.

DOI: 10.2478/s11696-011-0109-z

 

Chemical Papers 66 (1) 47–53 (2012)

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