Fluorine N.M.R. Spectra of Sulfur, Phosphorus, and Silicon Fluorides: Hydrolysis and Intra- and Intermolecular Mechanisms of Fluorine Exchange
- 1 October 1973
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Chemistry
- Vol. 51 (19) , 3203-3210
- https://doi.org/10.1139/v73-479
Abstract
The fluorine n.m.r. spectra of SF4, [(CH3)2CH]2NSF3, PF5:O(C2H5)2, SiF5−, SiF5:NH3−, and SiF5:HN(C2H5)2− have been recorded after treatment of glassware and reagents with [(CH3)3Si]2NH to remove H2O and HF impurities. A mechanism of intramolecular and intermolecular fluorine exchange, involving Lewis acid – Lewis base interaction and rapid equilibration of five and six coordinate geometries, is proposed.Keywords
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