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Australian Journal of Chemistry Australian Journal of Chemistry Society
An international journal for chemical science
RESEARCH ARTICLE

Crystal Structures and Magnetic or Photoluminescent Properties of Copper(ii) and Zinc(ii)-5-Sulfoisophthalate Coordination Polymers

Qing-Yan Liu A C D , Yu-Ling Wang A , Zi-Yi Du B D , Zeng-Mei Shan A , Er-Lei Yang A and Na Zhang A
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A College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China.

B College of Chemistry and Life Science, Gannan Normal University, Ganzhou 341000, China.

C State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210093, China.

D Corresponding authors. Email: qyliuchem@hotmail.com; ziyidu@gmail.com

Australian Journal of Chemistry 63(11) 1565-1572 https://doi.org/10.1071/CH10192
Submitted: 12 May 2010  Accepted: 26 August 2010   Published: 11 November 2010

Abstract

{[Cu43-OH)2(SIP)2(imz)2]·(H2O)2}n (1) and {[Zn32-OH2)2(SIP)2(phen)3(H2O)3]·(H2O)5}n (2) were obtained under hydrothermal conditions (SIP = 5-sulfoisophthalate, imz = imidazole, and phen = 1,10-phenanthroline). Compound 1 features a novel 3D network based on tetranuclear [Cu43-OH)2] secondary building unit; its topological structure is similar to that of rutile. Compound 2 is a 1D zigzag chain containing dinuclear [Zn22-OH2)2(phen)2] and mononuclear [Zn(phen)(H2O)] units. Variable-temperature magnetic studies reveal the existence of dominant ferromagnetic interactions within the tetranuclear copper(ii) cluster in compound 1. Further magnetic measurements indicate that compound 1 has the zero-field splitting parameters D = –0.29 cm–1 and E = 0.00052 cm–1, and g = 2.11 based on ST = 2. Compound 2 exhibits a blue fluorescence emission band at 458 nm on excitation at 391 nm, with a lifetime of 5.78 ns.


Acknowledgement

This work was financially supported by the National Natural Science Foundation of China (grant no. 20901033), the Provincial Natural Science Foundation of Jiangxi (grant no. 2009GZH0056), and the key Project of Education Department of Jiangxi Province (grant no. GJJ10016). The authors thank Professor You Song for helpful assistance in discussing magnetic properties.


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