Abstract
A novel bisphosphonic-trimesic acid adduct, 2H3 BTC·H4 L·2H2O 1 (H4 L = N,N′-piperazinebis(methylenephosphonic acid), H3 BTC = 1,3,5-benzenetricarboxylic acid) was obtained by solvothermal technique. It was characterized by elemental analysis, IR, TGA, PXRD, and single-crystal X-ray diffraction analysis. The compound 1 possesses a 3-D supramolecular network with a double chain built from H4 L and a double zigzag supramolecular chain derived from H3 BTC. We also studied quantum chemistry calculation of spectrum (UV–Vis spectra) using the B3LYP/6-31G* method. The result reveals that 1 has small (HOMO-7)–LUMO energy gap (1.395 eV) and high chemical reactivity. Results of electrochemical studies indicate a higher donor ability of 1. The maximum of the fluorescent emission bands of 1 is located at 458 nm (λ ex = 365 nm).
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Acknowledgments
The authors are grateful to the financial support from Open Fund of Jiangsu Key Laboratory for Chemistry of Low-dimensional Materials, Cultivation Fund of High Level Project of Huaiyin Normal University, the Natural Science Foundation of the Higher Education Institutions of Jiangsu Province and National Natural Science Foundation of China (Projects Nos. JSKC13127, 11HSGJBZ12, 12KJA15004, 14KJA150003 and 21202058).
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Lu, TQ., Ma, KR., Zhao, C. et al. Solvothermal synthesis, crystal structure and properties of a new bisphosphonic-trimesic acid adduct. J IRAN CHEM SOC 12, 1183–1189 (2015). https://doi.org/10.1007/s13738-014-0580-x
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DOI: https://doi.org/10.1007/s13738-014-0580-x