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Spectroscopic studies and thermal analysis of lead(II) and tin(II) solid complexes with Bi-, Tri- and tetradentate Schiff bases
Faculty
Science
Year:
2004
Type of Publication:
Article
Pages:
149-156
Authors:
SADEEK, SA, TELEB, SM, Refat, MS
Journal:
BULLETIN OF THE CHEMICAL SOCIETY OF ETHIOPIA CHEM SOC ETHIOPIA
Volume:
18
Research Area:
Chemistry
ISSN
ISI:000226760700004
Keywords :
lead, tin, Schiff base, infrared spectra, thermal analysis
Abstract:
The Schiff base complexes of Pb(II) and Sn(II) with bidentate (NO), {[}M(sal-An)(2)] (sal-An = aniline salicylideneiminato); tridentate (ONO), {[}M(sal-OAP)H2O)] (sal-OAP = orthoaminophenol salicylideneiminato); and tetradentate (N2O2), {[}M(sal-o-phdn)] (sal-o-phdn = N,N'-o-phenylene bis(salicylideneiminato) have been synthesized. The infrared spectra were recorded and full assignments of all observed bands have been made. Differential thermal analysis (DTA) and thermogravimetric (TG) for all complexes were also carried out The data obtained indicate that the complexes of both bi- and tetradentate ligands are decomposed in one stage, but the complexes of tridentate are decomposed in two steps.
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