Synthesis, thermal and spectral studies of first-row transition metal complexes with girard P reagent-based ligand

被引：19
|
作者：
El-Ayaan, Usama [1 ]
Kenawy, I. M. [1 ]
Abu El-Reash, Y. G. [1 ]
机构：
[1] Mansoura Univ, Fac Sci, Dept Chem, Mansoura 35516, Egypt
来源：
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2007年 / 68卷 / 02期
关键词：
synthesis; thermal degradation kinetics; spectroscopic; girard-P derivative;
D O I：
10.1016/j.saa.2006.11.016
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
A new series of first-row transition metal complexes with 1-acetylpyridinium chloride-4-benzoyl thiosemicarbazide (H(2)GPBzIT) have been prepared and characterized by elemental analysis, spectroscopic and magnetic measurements. The proton-ligand ionization constants were determined potentiometrically using Irving-Rossotti technique. The stability constants of complexes were also calculated and were found in agreement with the seq uence of stability constants of Irving and Williams. Thermal stability and degradation kinetics have been measured using thermogravimetric analyzer. Kinetic parameters were obtained for each stage of thermal degradation of complexes using Coats-Redfem method. (C) 2006 Elsevier B.V. All rights reserved.
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收藏
页码：211 / 219
页数：9
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