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Three copper(II) complexes constructed from a new 1,3,5-triazine derivative ligand |
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| Authors: | Ya-Pan Wu Cui-Juan Wang Yao-Yu Wang Ping Liu Wei-Ping Wu Qi-Zhen Shi Shie-Ming Peng |
| Institution: | aDepartment of Chemistry, Shaanxi Key Laboratory of Physico-inorganic Chemistry, Northwest University, Xi′an 710069, PR China bDepartment of Chemistry, National Taiwan University, Taipei, Taiwan |
| Abstract: | Three new complexes {Cu(dpdapt)(Hhbd)] · 6H2O}n (1) (dpdapt = N,N′-di(2-pyridyl)-2,4-diamino-6-phenyl-1,3,5-triazine, Hhbd = 2-hydroxybutanedioicate dianion), Cu(dpdapt)(SO4)] · 2H2O (2) and Cu(dpdapt)(oxa)] · H2O (3) (oxa = oxalate dianion) have been synthesized and structurally characterized. The non-covalent interactions of π–π stacking and hydrogen bonding extend complexes 1–3 into supramolecular architectures, where 1 self-assembles into a 1D polymeric chain by dicarboxylate bridges and exhibits a 3D framework with 1D open channels, while complexes 2 and 3 display 2D wavelike networks. Interestingly, in 1, the host framework encapsulates hexameric water clusters that are connected into 1D arrays by supramolecular association along the 1D open channels. The UV/vis, IR spectra, fluorescence and TG analysis for complexes 1, 2 and 3 are also discussed. |
| Keywords: | Cu(II) complexes Crystal structure Self-assembly Polymeric chain Hexameric water clusters 1D open channel |
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