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首页> 外文期刊>Polyhedron: The International Journal for Inorganic and Organometallic Chemistry >Transition metal complexes with thiosemicarbazide-based ligand - Part LV: Synthesis and X-ray structural study of novel Ni(II) complexes with pyridoxal semicarbazone and pyridoxal thiosemicarbazone
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Transition metal complexes with thiosemicarbazide-based ligand - Part LV: Synthesis and X-ray structural study of novel Ni(II) complexes with pyridoxal semicarbazone and pyridoxal thiosemicarbazone

机译:含硫代氨基脲的配体的过渡金属配合物-第LV部分:吡ido醛氨基脲和吡x醛硫代氨基脲的新型Ni(II)配合物的合成和X射线结构研究

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摘要

Reaction of aqueous solutions of Ni(NO3)2 and pyridoxal semicarbazone (PLSC) in the presence of NaN3 afforded two complexes, viz. green, paramagnetic binuclear octahedral [Ni-2,(PLSC)2(41,,-N-3)2(N-3)(2)] 2H(2)O (1) and, as admixture, red, octahedral [Ni(PLSCH)21 - 2H(2),O (2) complex. Under the same reaction conditions, pyridoxal thiosemicarbazone (PLTSC) gave only one diamagnetic square-planar, red complex (Ni(PLTSC-H)N-3]center dot H,0 (3). In the absence of NaN3, the reaction of PLTSC and Ni(NO3)2 yielded brown paramagnetic octahedral complex [Ni(PLTSC)21(NO3)2 - H2O (4). The complexes were characterized by elemental analysis, conductometric and magnetochemical measurements, IR and UV-Vis spectra, and the octahedral complexes 1, 2 and 4 also by X-ray monocrystal diffraction method. (c) 2007 Elsevier Ltd. All rights reserved.
机译:Ni(NO3)2和吡ido醛半咔唑水溶液(PLSC)在NaN3存在下的反应得到了两种络合物,即。绿色,顺磁性双核八面体[Ni-2,(PLSC)2(41 ,,-N-3)2(N-3)(2)] 2H(2)O(1)以及作为混合物的红色八面体[ Ni(PLSCH)21-2H(2),O(2)络合物。在相同的反应条件下,吡ido醛硫半碳酮(PLTSC)仅产生一个反磁性的方形红色复合物(Ni(PLTSC-H)N-3]中心点H,0(3)。 PLTSC和Ni(NO3)2生成棕色顺磁性八面体络合物[Ni(PLTSC)21(NO3)2-H2O(4)。该络合物的特征在于元素分析,电导和磁化学测量,IR和UV-Vis光谱以及X射线单晶衍射法也可测定八面体配合物1、2和4(c)2007 Elsevier Ltd.保留所有权利。

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