Abstract
Two CuII supramolecular coordination complexes, namely [Cu(L233)(SCN)2] n and [Cu(L233)(N3)2]2 (L233 = 3-(2-pyridyl)-4,5-bis(3-pyridyl)-1,2,4-triazole), have been synthesized by the reactions of L233 with Cu(OAc)2 in the presence of NH4SCN or NaN3. Single-crystal X-ray diffraction analysis reveals that the complex [Cu(L233)(SCN)2] n possesses a 1D zigzag chain, while [Cu(L233)(N3)2]2 shows a binuclear coordination pattern. In both structures, the coordination motifs are further extended to form different supramolecular architectures with the aid of secondary interactions. The structural distinction between these compounds can be ascribed to the directing effect of the ancillary pseudohalide ligands. In addition, the thermal stabilities of both complexes are described and discussed.
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Acknowledgments
This work was financially supported by the National Natural Science Foundation of China (No. 21101116) and Innovation Foundation of Tianjin Normal University (No. 52XC1402).
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Liu, BL., Wu, N., Li, CP. et al. Pseudohalide anion directed assemblies of two CuII complexes based on 3-(2-pyridyl)-4,5-bis(3-pyridyl)-1,2,4-triazole. Transition Met Chem 40, 341–345 (2015). https://doi.org/10.1007/s11243-015-9922-5
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DOI: https://doi.org/10.1007/s11243-015-9922-5