Structure of a new trinuclear nickel(II) complex with a salen-type bisoxime ligand |
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| Authors: | W -K Dong Y -X Sun J Yao L Wang X -Y Dong X -H Gao |
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| Institution: | 13022. School of Chemical and Biological Engineering, Lanzhou Jiaotong University, Lanzhou, P. R. China
23022. Lanzhou Petrochemical Research Center, PetroChina, P. R. China.
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| Abstract: | A new trinuclear Ni(II) complex {NiL(DMF)]2(OAc)2Ni}·2DMF (H2L = 4,4′-dichloro-2,2′-(1,3-propylene)dioxybis(nitrilomethylidyne)]diphenol) is synthesized and characterized by elemental analyses, IR spectra, UV-Vis spectra and X-ray crystallography. The results show that the Ni(II) complex consists of three Ni(II) ions, two tetradentate (μ-L)2? units, two coordinated μ-acetate ions, two coordinated DMF molecules, and two crystallization DMF molecules. All hexacoordinated Ni(II) ions of the complex have a slightly distorted octahedral geometry. The crystal packing of the Ni(II) complex reveals a notable feature of this structure: the formation of an infinite supramolecular 2D layered structure by virtue of intermolecular C-H…O hydrogen bonding. |
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