Abstract
A new 1D supramolecular involving two different ligands, {[Zn(GB)2]·(μ-bpe)3} n (ClO4)2n ·nH2O (GB = 2-guanidinobenzimidazole and bpe = 1,2-bis(4-pyridyl)ethylene, has been synthesised, characterized by elemental analysis, IR-, 1H NMR-, 13C NMR spectroscopy. The thermal stability of compound {[Zn(GB)2]·(μ-bpe)3} n (ClO4)2n ·nH2O was studied by thermal gravimetric and differential thermal analyses. The single crystal X-ray analysis shows that the complex is a one-dimensional polymer involving macrocycle rings as a result of non-covalent bridging bpe ligands via N–H···N and N···N interactions, N–H···bpe···bpe···H–N, with the basic repeating {[Zn(GB)2](μ-bpe)3}(ClO4)2·H2O units and by connecting [Zn(GB)2]2+ nodes. ZnO nanoparticles were obtained by calcination of compound {[Zn(GB)2]·(μ-bpe)3} n (ClO4)2n ·nH2O at 500 °C in air. The nanoparticles were characterized by X-ray diffraction and scanning electron microscopy.
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