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Synthesis and thermal decomposition kinetics of the complexes [Sm(o-NBA)3bipy]2·2H2O and [Sm(o-BrBA)3bipy]2· 2H2O

✍ Scribed by Hai Yan Zhang; Jian Jun Zhang; Ning Ren; Ji Hai Bai; Shu Ping Wang; Rui Fen Wang

Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
192 KB
Volume
40
Category
Article
ISSN
0538-8066

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✦ Synopsis

Abstract

Two new complexes [Sm(o‐NBA)~3~bipy]~2~·2H~2~O (1) and [Sm(o‐BrBA)~3~bipy]~2~·2H~2~O (2) (where o‐NBA is o‐nitrobenzoic acid, o‐BrBA is o‐bromobenzoic acid, and bipy is 2,2′‐bipyridine) were prepared and characterized by elemental analysis, IR, UV, and molar conductance, respectively. The thermal decomposition behaviors of the two complexes were investigated by means of TG–DTG and IR techniques. The thermal decomposition kinetics was studied by using advanced double equal‐double steps method, nonlinear integral isoconversional method, and nonlinear differential isoconversional method. The kinetic parameters of the second‐step process for the two complexes were obtained, respectively. © 2008 Wiley Periodicals, Inc. Int J Chem Kinet 40: 607–616, 2008

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## Abstract Complexes of [Sm~2~(__m__‐ClBA)~6~(phen)~2~] · 2H~2~O and [Sm~2~(__m__‐BrBA)~6~(phen)~2~] · 2H~2~O (__m__‐ClBA = __m__‐chlorobenzoate, __m__‐BrBA = __m__‐bromobenzoate, and phen = 1,10‐phenanthroline) were prepared and characterized by elemental analysis and IR spectra. The thermal deco