Spectroscopic characterization of some copper(II) complexes

Rekha Rani; Rajeeva Ranjan; N. C. Bhattacharjee

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Spectroscopic characterization of some copper(II) complexes

机译：某些铜（II）配合物的光谱表征

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1-(Phenylazo)-2-naphthol (PANH) has three potential donor sites and thus it acts as a very good chelating agent. This ligand has been used for complexation with Cu~(II) ions to synthesize the complexes of general formula Cu(PAN)2 Ln, where L = secondary ligands like pyridine, picoline, H2O and n = 0, 1 and 2. These complexes have been characterized by their elemenetal analysis, conductivity measurement, magnetic moment at room temperature, infrared spectra and electronic spectra. The ligand PANH is found to have coordinated through deprotonated phenolic oxygen and azonitrogen forming a six membered chelate with two conjugate π-bonds in chelate ring. The magnetic moment values reveal the mononuclear nature of complexes while their electronic spectra reveal the geometry of the complexes. Cu(PAN)2 complex is found square planar while Cu(PAN)2L and Cu(PAN)2L2 are found square pyramidal and tetragonally distorted octachedral respectively.

机译：1-（苯基偶氮）-2-萘酚（PANH）具有三个潜在的供体位点，因此它是一种非常好的螯合剂。该配体已用于与Cu〜（II）离子络合以合成通式Cu（PAN）2 Ln的配合物，其中L =二级配体，如吡啶，甲基吡啶，H2O和n = 0、1和2。这些配合物其特征在于其电分析，电导率测量，室温下的磁矩，红外光谱和电子光谱。发现该配体PANH通过去质子化的酚氧和氮偶氮配位而形成六元螯合物，在螯合物环中具有两个共轭π键。磁矩值揭示了配合物的单核性质，而电子谱揭示了配合物的几何形状。发现Cu（PAN）2络合物呈正方形平面，而Cu（PAN）2L和Cu（PAN）2L2分别呈正方形金字塔形和四边形扭曲的八面体。

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《Journal of the Indian Chemical Society》 |2013年第3期|共6页
作者
Rekha Rani; Rajeeva Ranjan; N. C. Bhattacharjee;
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正文语种 eng
中图分类化学;
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Square pyramidal; teragonally distorted octahedral.;

机译：方形金字塔形;对角扭曲的八面体。;

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Spectroscopic characterization of some copper(II) complexes

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