Qe report a new compound, namely [Zn2(BTC)(NO3)(DMA)3]n, with 1,3,5-benzenetricarboxylic acid (H3BTC) and N,N′-dimethylacetamide (DMA) by the solvothermal method. The compound is characterized by elemental analysis, thermal analysis and X-ray diffraction (XRD). Single crystal XRD analysis reveals that the compound is an extended three-dimensional framework containing dinuclear [Zn2(COO)3] units as building blocks and can be simplified into a 3-connected srs topological network. There are two kinds of graceful helical chains with opposite chirality. The compound exhibits strong photoluminescent properties at room temperature.
Solvothermal synthesis Zinc Building block Topology Photoluminescence 1,3,5-Benzenetricarboxylic acid N,N′-dimethylacetamide
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This work was supported by the National Natural Science Foundation of China (No. 21272110 and 20902043).