首页> 外文期刊>Asian Journal of Chemistry: An International Quarterly Research Journal of Chemistry >Crystal Structure and Thermodecomposition Kinetics of Copper(II) Ternary Complex with o-Vanillin-taurine Schiff-base and 1,10-Phenanthrolinet
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Crystal Structure and Thermodecomposition Kinetics of Copper(II) Ternary Complex with o-Vanillin-taurine Schiff-base and 1,10-Phenanthrolinet

机译:邻香兰素-牛磺酸席夫碱和1,10-菲脂酸铜(II)三元配合物的晶体结构和热分解动力学

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摘要

A complex of copper(II) with o-vanillin-taurine Schiff base and 1,10-phenanthroline (1,10-phen) (C22H25CUN3O8S,Mr=555.05),has been synthesized and characterized by IR,elemental analysis and X-ray diffraction single crystal analysis.The crystal belongs to monoclinic,space group P2(l)/c with a=14.8310(16) A,alpha=90.00 deg,b=26.580(3) A,P=112.890(2) deg,c=12.8486(14) A,Y=90.00 deg,V=4666.2(9) A3,Z=8,F(000)=2296,Dc=1.580 g/cm3,mu=1.080 mm~(-1).In the molecule,the Schiff base and 1,10-phen act as tridentate and bidentate ligands,respectively,to form a distorted triangle bipyramid geometry.The prominent feature of the complex is that taurine in the Schiff base offers SO3~- as a donor.The thermal decomposition kinetics of the complex have been investigated under non-isothermal condition using the Achar differential method and the Coats-Redfern integral method.The kinetic equation (of step (3)) may be expressed as follows:da/dt=A centre dot e(-E/RT) ocentre dot 3/2[(1-a)~(-1/3)-1,E=72.42 kJ/mol,In A=14.70.
机译:合成了具有邻香兰素牛磺酸席夫碱和1,10-菲咯啉(1,10-phen)(C22H25CUN3O8S,Mr = 555.05)的铜(II)配合物,并通过IR,元素分析和X射线表征衍射单晶分析。晶体属于单斜晶系,空间群P2(l)/c,a=14.8310(16)A,alpha = 90.00 deg,b = 26.580(3)A,P = 112.890(2)deg,c = 12.8486(14)A,Y = 90.00度,V = 4666.2(9)A3,Z = 8,F(000)= 2296,Dc = 1.580 g / cm3,mu = 1.080 mm〜(-1)。分子中,席夫碱和1,10-phen分别充当三齿和二齿配体,形成扭曲的三角双锥几何形状。配合物的突出特点是席夫碱中的牛磺酸提供了SO3〜-作为供体。使用Achar微分方法和Coats-Redfern积分方法在非等温条件下研究了配合物的热分解动力学。(步骤(3)的动力学方程)可以表示为:da / dt =中心点e(-E / RT)中心点3/2 [(1-a)〜(-1/3)-1,E = 72.42 kJ / m ol,在A = 14.70中。

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