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Abstract
Reactions of N,2-dihydroxy-3-methoxybenzamide (H3L) with transition metal acetates in the presence of pyridine and/or 2,2′-bipyridine under solvothermal conditions give two pentanuclear complexes, [Zn5L2(CH3COO−)4(py)3] (1) and [Co5L2(CH3COO−)4(py)(2,2′-bipy)2] (2). Photoluminescence studies indicate strong purple emission for 1 in the solid state at room temperature. Variable-temperature dc magnetic susceptibility studies of 2 reveal that antiferromagnetic CoII···CoII exchange interactions exist in 2.
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No potential conflict of interest was reported by the author(s).
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Funding
We gratefully acknowledge the financial support from the National Science Foundation of China (Grant No: 21771061), A Project of Shandong Province Higher Educational Science and Technology Program (J12LD54), the Youths Science Foundation of Jining University (No. 2017BSZX09) and Talent Culturing Plan for Leading Disciplines of University in Shandong Province.