Behavior of BrO3F and ClO3F Toward Strong Lewis Acids and the Characterization of [XO2][SbF6] (X = Cl, Br) by Single Crystal X-ray Diffraction, Raman Spectroscopy, and Computational Methods

The interactions of BrO3F and ClO3F with the strong Lewis acids AsF5 and SbF5 were investigated. Although ClO3F is unreactive toward AsF5 and SbF5, BrO3F undergoes fluoride ion abstraction and O2 elimination, accompanied by central halogen reduction, to form [BrO2][Sb(n)F(5n+1)] (n > or = 1), rather than simple fluoride ion abstraction to form BrO3(+) salts. The geometric parameters of the BrO2(+) cation have been obtained in the solid state …