Co-ordination Chemistry of Some First Row Transition Metal Complexes with Multi-dentate Ligand ( 1- benzoyl - 3-(4-methylpyridin -2-yl) thiourea), Spectral, Electrochemical and X – ray Single Crystal Studies

Fawaz A. Saad

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Co-ordination Chemistry of Some First Row Transition Metal Complexes with Multi-dentate Ligand ( 1- benzoyl - 3-(4-methylpyridin -2-yl) thiourea), Spectral, Electrochemical and X – ray Single Crystal Studies

机译：一些多齿配体（1-苯甲酰基-3-（4-甲基吡啶-2-基）硫脲）的第一行过渡金属配合物的配位化学，光谱，电化学和X射线单晶研究

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Cd(II) and Cu(II) perchlorate were coordinated with 1- benzoyl - 3-(4-methylpyridin -2-yl) thiourealigand. All the prepared compounds are deliberately investigated by all possible spectral tools. Acomparative study on IR spectra reveals a neutral bidentate coordinating nature of the ligand towardsthe two metal ions. The Uv/Vis spectra of the complexes display d-d and MLCT transition bandsproposed four coordination geometry for the complexes in different forms. MS analysis data areconcerned especially with the base peak which is corresponding to C28H26N6O2S2Cu andC28H26N6O2S2CdCl2O8 ions. The fragmentation patterns are relatively matched with each others.Electrochemical study was carried out on Cu(II) complex using platinum wire and Ag/AgNO3 ascounter and reference electrodes, respectively. The data reflect the irreversible nature of the electrodecouple and showed two successive one electron transfer process. X-ray single crystal studies are usedto verify the four coordination geometry proposed as well as calculating the crystal parameters besidethe structural refinements.

机译：Cd（II）和Cu（II）高氯酸盐与1-苯甲酰基-3-（4-甲基吡啶-2-基）硫脲配体配位。所有可能的光谱工具都将仔细研究所有制备的化合物。红外光谱的比较研究表明，配体对两种金属离子具有中性的双齿配位性质。配合物的Uv / Vis光谱显示d-d和MLCT跃迁带，为配合物以不同形式提出了四个配位几何。 MS分析数据尤其与对应于C28H26N6O2S2Cu和C28H26N6O2S2CdCl2O8离子的基峰有关。碎裂模式彼此相对匹配。分别使用铂线和Ag / AgNO3作为对电极和参比电极，对Cu（II）配合物进行了电化学研究。数据反映了电偶的不可逆性质，并显示了两个连续的一个电子转移过程。 X射线单晶研究用于验证所提出的四个配位几何形状以及计算晶体参数以及结构改进。

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《International Journal of Electrochemical Science》 |2014年第9期|共15页
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Fawaz A. Saad;
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Co-ordination Chemistry of Some First Row Transition Metal Complexes with Multi-dentate Ligand ( 1- benzoyl - 3-(4-methylpyridin -2-yl) thiourea), Spectral, Electrochemical and X – ray Single Crystal Studies

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