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Synthesis and spectral studies of some lanthanide(III) complexes with 4-[N-(p-dimethylaminobenzalidene)amino] antipyrine semicarbazone

Author(s): Ram K. Agarwal | Himanshu Agarwal | Neetu Goel | S.K. Sindhu

Journal: Bulletin of the Chemical Society of Ethiopia
ISSN 1011-3924

Volume: 15;
Issue: 1;
Start page: 79;
Date: 2001;
Original page

In the present work, we describe the isolation of some lanthanide(III) complexes of 4-[N-(p-dimethylaminobenzalidene)amino]antipyrine semicarbazone (DABAAPS) with general composition [Ln(DABAAPS)2X3] (Ln = La, Pr, Nd, Sm, Gd, Tb, Dy or Ho and X = Cl- and NCS-). All the isolated compounds were characterized through various physico-chemical studies. The coordinating ligand DABAAPS behave as tridentate N,N,O-donors. The central metal ion displays the coordination number nine in these complexes. Thermal stabilities of these complexes were also studied through thermogravimetric analysis.

Tango Jona
Tangokurs Rapperswil-Jona

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