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METAL-CHELATING COMPOUND INVESTIGATED BYRAMAN SPECTROSCOPY

机译:金属螯合化合物的拉曼光谱研究

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摘要

Raman and SERS spectra of 4-(2-pyridylazo) resorcinol (PAR) molecule andits metal (Zn(II), Cu(II), Mn(II)) complexes were recorded using a hydroxylamine reducedsilver colloid. Complete assignments of experimental spectra were made by using theB3LYP/6-31G(d) theoretical results. The calculated molecular electrostatic potential (MEP)for PAR molecule shows that the most negative regions are associated with the two oxygenand three nitrogen atoms. Differentiation between PAR complexes with Cu(II), Zn(II),Mn(II) is shown by the SERS spectral features of each complex.
机译:使用羟胺还原的银胶体记录了4-(2-吡啶基偶氮)间苯二酚(PAR)分子及其金属(Zn(II),Cu(II),Mn(II))配合物的拉曼光谱和SERS光谱。利用B3LYP / 6-31G(d)的理论结果完成了实验光谱的完全分配。计算得到的PAR分子的分子静电势(MEP)表明,最负的区域与两个氧原子和三个氮原子有关。 PAR配合物与Cu(II),Zn(II),Mn(II)的区别由每种配合物的SERS光谱特征显示。

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