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Physico-chemical characterization of mixed-ligand complexes of Mn(III) based on the acetylacetonate and maleic acid and its hydroxylamine derivative

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Author(s): Cakić Suzana M. | Nikolić Goran S. | Stamenković Jakov V. | Konstantinović Sandra S.

Journal: Acta Periodica Technologica
ISSN 1450-7188

Volume: 2005;
Issue: 36;
Start page: 91;
Date: 2005;
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Keywords: Mn(III) complexes | maleate and hydroxylaminmaleate ligand | physico-chemical characterization

ABSTRACT
Two new Mn(III) mixed-ligand complexes with two acetylacetonate (acac) ligands and one maleate ligand and its hydroxylamine derivative of the general formula [Mn(C5H7O2)2L] were prepared. Their structure was established by using elemental analysis, FTIR and UV/VIS spectroscopic methods, as well as magnetic measurement. Replacement of the acetylacetonate ligand by the corresponding acid ligand has been confirmed in Mn(III) acetylacetonate. Based on the obtained experimental data and literature indications, structural formulae to these compounds were assigned.
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