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Acetone salicyloylhydrazone of Ni(II): synthesis, molecular structures, and
作者:Bei Lianga; Xiangrong Liua; Jianjun Chena; Kanshe Lia
關(guān)鍵字:Synthesis; Molecular structure; Complex; Thermal stability; Catalytic activity
論文來源:期刊
具體來源:Journal of Coordination Chemistry,Vol. 63, No. 11, 10 June 2010, 1951–1959
發(fā)表時(shí)間:2010年

Two new mononuclear Ni(II) complexes, [Ni(C10H12O2N2)2(C5H5N)2](NO3)2 (1) and [Ni(C10H12O2N2)2(H2O)2](NO3)2 (2), have been synthesized and characterized by elemental analysis, infrared, UV-Vis spectroscopy, and single-crystal X-ray diffraction. The coordination geometry around each Ni(II) can be described as an octahedron with each Ni(II) coordinated to two imino nitrogens, two carbonyl oxygens, and two solvent molecules (pyridine for 1 and water for 2). In the synthesis, the original ligand changes from o-carboxybenzaldehyde salicyloylhydrazone (C15H12O4N2) into acetone salicyloylhydrazone (C10H12O2N2). The thermal stability of the complexes at three different heating rates (¼5, 10, and 15Cmin1) show that all the complexes exhibit three thermal decomposition stages and their thermal stability is 142. Complexes 1 and 2 both display DNA binding ability, ascertained by UV-Vis titration.

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