Multinuclear compounds of s-elements with sterically hindered о-semiquinonates and catecholates View Full Text


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Article Info

DATE

2018-01

AUTHORS

S. V. Fokin, G. A. Letyagin, G. V. Romanenko, A. S. Bogomyakov, M. V. Petrova, V. A. Morozov, V. I. Ovcharenko

ABSTRACT

Alkali metals form mutinuclear compounds with redox-active singly and doubly reduced derivatives of sterically of hindered о-benzoquinones. Complexes [Na6(Cat)3(THF)7]•4THF, [Na5(Cat)2(SQ)(THF)5], [Na4(SQ)4(THF)4]•THF•C6H14, [Na4(3,5-SQ)4(THF)4], [K4(SQ)4(THF)4]•4THF and [Li3(SQ)3(THF)3]•THF (Cat is catecholate, SQ is semiquinonate) possessing high sensitivity to atmospheric oxygen were synthesized and their structures were determined. Magnetochemical measurements and quantum chemical calculations revealed that variation of the alkali metal and/or change in the structure of the polymetallic core significantly affect the energy of exchange interaction between the unpaired electrons of the paramagnetic ligands framing the polynuclear metal core formed by s-elements. More... »

PAGES

61-70

References to SciGraph publications

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s11172-018-2038-2

DOI

http://dx.doi.org/10.1007/s11172-018-2038-2

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1103471534


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