<Emphasis Type="Italic">o</Emphasis>-Semiquinone metal complexes as derivatives of sterically hindered di-<Emphasis Type="Italic">o</Emphasis>-quinone |
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| Authors: | A V Piskunov V K Cherkasov N O Druzhkov G A Abakumov V N Ikorskii |
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| Institution: | (1) G. A. Razuvaev Institute of Organometallic Chemistry, Russian Academy of Sciences, 49 ul. Tropinina, 603950 Nizhny Novgorod, Russian Federation;(2) International Tomographic Center, Siberian Branch, Russian Academy of Sciences, 3a ul. Institutskaya, 630090 Novosibirsk, Russian Federation |
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| Abstract: | ESR spectroscopy was used to study a series of mono- and binuclear o-semiquinone metal complexes, viz., derivatives of sterically hindered di-o-quinone 1,2-bis(2,5-di-tert-butylcyclohexadiene-1,5-dion-3,4-yl)ethane (1). Hindered rotation was found in the o-semiquinone moiety of the generated complexes. Magnetochemical measurements for polymeric bis(o-semiquinolate)copper(II) based on di-o-quinone 1 showed two antiferromagnetic channels of interaction between the paramagnetic centers.
Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 7, pp. 1580–1584, July, 2005. |
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| Keywords: | di-o-quinone o-semiquinone complexes of copper lithium sodium potassium cobalt manganese ESR magnetochemistry |
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