Synthesis and thermal behaviour of pentamethylcyclopentadienylrhodium(III) complexes with anilines

被引:6
作者
Sanchez, G [1 ]
Garcia, J [1 ]
Perez, J [1 ]
Garcia, G [1 ]
Lopez, G [1 ]
机构
[1] Univ Murcia, Dept Quim Inorgan, E-30071 Murcia, Spain
关键词
pentamethylcyclopentadienyl complexes; rhodium; thermal behaviour;
D O I
10.1016/S0040-6031(97)00315-8
中图分类号
O414.1 [热力学];
学科分类号
摘要
The complex [RhCp*Cl(mu-Cl)](2) (Cp* = C5Me5) reacts with RNH2 (R = C6H5, p-CH3C6H4, p-CH3OC6H4, p-ClC6H4 and p-BrC6H4) in dichloromethane to form the corresponding pentamethylcyclopentadienylrhodium(III) derivatives [RhCp*Cl-2(RNH2)]. The compounds have been characterized by C, H and N analyses and spectroscopic methods (IR and H-1 NMR). The TG, DTG and DSC study of the complexes was carried out in both dynamic nitrogen and air atmospheres. From the DSC curves the heat of decomposition was calculated. The kinetics of the first step of thermal decomposition were evaluated from TG data by means of Coats-Redfern, MacCallum-Tanner and Horowitz methods and the procedure proposed by Dollimore et al. The values of the activation energy, E-a, and the pre-exponential factor, A, of the thermal decompositions were calculated. (C) 1997 Elsevier Science B.V.
引用
收藏
页码:127 / 134
页数:8
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