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Journal of Structural Chemistry

2009 year, number 6

UNUSUAL MOLECULAR STRUCTURE OF (C=O→Si←O′=C′) BIS(2-METHYL-4-PYRONE-3-OXY)DIFLUORO(λ6)SILICONIUM

M. G. Voronkov, A. A. Korlyukov, И. A. Zel'bst, E. A. Grebneva, O. M. Trofimova, M. Y. Antipin
Keywords: bis(2-methyl-4-pyrone-3-oxy)difluoro(?6)siliconium, molecular structure, X-ray diffraction
Pages: 1256-1259

Abstract

X-ray diffraction is used to determine the crystal and molecular structure of spirocyclic (С=O→Si←
O′=C′) bis(2-methyl-4-pyrone-3-oxy)difluoro(λ6)siliconium containing a hypervalent silicon atom and the previously unknown F2SiO4 coordination center. The coordination polyhedron of the silicon atom is a slightly distorted octahedron.