Bis(difluorooxoiodonium)Selenate.

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Authors	ŽÁK Zdirad ČERNÍK Miloš
Year of publication	1997
Type	Article in Proceedings
Conference	17th European Crystallographic Meeting. Book of Abstracts.
MU Faculty or unit	Faculty of Science
Citation
Field	Inorganic chemistry
Keywords	Bis(difluorooxoiodonium)Selenate; Synthesis; Crystal structure
Description	Bis(difluorooxoiodonium)Selenate.The title compound has been prepared by reaction of iodine pentafluoride with (SeO3)4. Its X-ray single crystal structure analysis revealed a rather covalent than ionic structure with an F2(O)IOSeO2OI(O)F2 molecule. Due to unsaturated coordination of I(V) atoms, every molecule is linked via 4 relatively strong SeO...I interactions to its two nearest neighbours forming corrugated eight-membered rings. These rings are joined by common Se(VI) spiroatoms into infinite chains.
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