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Abstract
Three coordination polymers (CPs) based on different dicarboxylic acids and Cd(II), [Cd3(tpa)3(DMA)4] (1), [Cd2(thpa)2(DMA)2·DMA] (2), and [Cd3(eba)3(DMA)] (3) (H2tpa = terephthalic acid, H2thpa = thiophenedicarboxylic acid, H2eba = (ethene-1,2-diyl)dibenzoic acid, DMA = N,N′-dimethylacetamide), were synthesized under solvothermal conditions. The CPs were characterized by elemental analysis (EA), single-crystal X-ray crystallography, powder X-ray diffraction, infrared spectroscopy (IR), and thermogravimetric analyses. X-ray crystallographic analysis shows that 1 and 3 exhibit a 2D six-connected hxl network based on hourglass-like [Cd3(COO)6] SBUs, whereas 2 displays a 2D 44-sql network based on [Cd4(COO)8] SBUs. Thermal stabilities and photoluminescence behaviors of the CPs are also discussed.
Funding
This work was supported by the NSFC [grant number 21201110], [grant number 21571115]; Research Award Fund for Outstanding Middle-aged Young Scientist of Shandong Province [grant number BS2013CL010]; Young Scholars Program of Shandong University [grant numbaer 2015WLJH24]; and The Fundamental Research Funds of Shandong University [grant number 2015JC045].
Disclosure statement
No potential conflict of interest was reported by the authors.
