NDLI: Synthetic, spectroscopic and thermal aspects of some heterochelates

Content Provider	Springer Nature Link
Author	Modi, C. K. Patel, M. N.
Copyright Year	2008
Abstract	The present article describes the synthesis, structural features and thermal studies of heterochelates of the type [M(SB)(benen)(H$_{2}$O)]·nH$_{2}$O [where H$_{2}$SB=(Z)-2-(2,2,2-trifluoro-1-(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)ethylideneamino)benzoic acid, benen=bis(benzylidene)ethylenediamine and M=Mn(II), Co(II), Ni(II), Cu(II), Zn(II) and VO(IV)]. The Schiff base (H$_{2}$SB) have been characterized on the basis of elemental analysis, IR, $^{1}$H and $^{13}$C NMR. The heterochelates have been characterized on the basis of elemental analyses, magnetic measurements, solid state conductivity measurements, IR, reflectance spectra, and thermal studies. The FAB mass spectrum of [Co(SB)(benen)(H$_{2}$O)] has been carried out. The kinetic parameters such as order of reaction (n) and the energy of activation (E $_{a}$) have been reported using Freeman-Carroll method. The pre-exponential factor (A), the activation entropy (ΔS $^{#}$), the activation enthalpy (ΔH $^{#}$) and the free energy of activation (ΔG $^{#}$) have been calculated.
Starting Page	247
Ending Page	255
Page Count	9
File Format	PDF
ISSN	13886150
Journal	Journal of thermal analysis
Volume Number	94
Issue Number	1
e-ISSN	15728943
Language	English
Publisher	Springer Netherlands
Publisher Date	2008-08-12
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	DSC studies Freeman-Carroll method heterochelates Schiff bases spectroscopic TG/DTG studies Measurement Science, Instrumentation Inorganic Chemistry Polymer Sciences Analytical Chemistry Physical Chemistry
Content Type	Text
Resource Type	Article
Subject	Physical and Theoretical Chemistry Condensed Matter Physics

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