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Your search keyword '"Beznischenko, Asya O."' showing total 7 results
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2. Direct synthesis, crystal structures, high-field EPR, and magnetic studies of heterometallic polymers containing manganese(II) carboxylates interconnected by [[Cu[(en).sub.2]].sup.2+]

Author

Makhankova, Veleriya G., Beznischenko, Asya O., Kokozay, Vladimir N., Zubatyuk, Roman I., Shishkin, Oleg V., Jezierska, Julia, and Ozarowski, Andrew

Subjects
Carboxylation -- Analysis, Copper -- Chemical properties, Copper -- Magnetic properties, Electron paramagnetic resonance -- Evaluation, Manganese -- Atomic properties, Manganese -- Chemical properties, Chemistry
Abstract

A new alternative method is presented to synthesize heterometallic manganese-containing complexes by using permanganate instead of manganese(II) salts as a promising source of manganese in various valence states. The method can also be used to synthesize other novel heterometallic Mn-containing compounds with interesting structural properties.

Published
2008

6. Direct Synthesis, Crystal Structures, High-Field EPR1 and Magnetic Studies of Heterometallic Polymers Containing Manganese(II) CarboxyIates Interconnected by [Cu(en)2]2+.

Author

Makhankova, Valeriya G., Beznischenko, Asya O., Kokozay, Vladimir N., Zubatyuk, Roman I., Shishkin, Oleg V., Jezierska, Julia, and Ozarowski, Andrew

Subjects
*MANGANESE compounds, *ORGANIC synthesis, *MOLECULAR structure, *X-ray crystallography, *ELECTRON paramagnetic resonance
Abstract

Two heterometallic polymers containing cations [Cu(en)2]2+ and either the [Mn(mal)2(H2O)2]2 (1) or [Mn2(succ)2Cl2]n2n-,~~ (2) anions (mal = malonate and succ = succinate) were investigated by X-ray crystallography, high-field electron paramagnetic resonance (EPR) spectroscopy, and magnetic susceptibility measurements. Magnetic susceptibility and EPR spectra characteristic of antiferromagnetically coupled Mn2+-Mn2+ pairs were observed in 2, and the exchange integral J = 31 cm-1 (H = JS1S2) as well as the zero-field-splitting parameter D = -3.046 cm-1 in the triplet state of the dimanganese entity was determined. [ABSTRACT FROM AUTHOR]

Published
2008
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