Antimony Fluoride
Antimony fluoride may refer to either of the following: *Antimony trifluoride, SbF3 *Antimony pentafluoride Antimony pentafluoride is the inorganic compound with the formula Sb F5. This colorless, viscous liquid is a strong Lewis acid and a component of the superacid fluoroantimonic acid, formed upon mixing liquid HF with liquid SbF5 in 1:1 ratio. It ..., SbF5 {{Short pages monitor ...
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Antimony Trifluoride
Antimony trifluoride is the inorganic compound with the formula SbF3. Sometimes called Swarts' reagent, it is one of two principal fluorides of antimony, the other being SbF5. It appears as a white solid. As well as some industrial applications, it is used as a reagent in inorganic and organofluorine chemistry. Preparation and structure In solid SbF3, the Sb centres have octahedral molecular geometry and are linked by bridging fluoride ligands. Three Sb–F bonds are short (192 pm) and three are long (261 pm). Because it is a polymer, SbF3 is far less volatile than related compounds AsF3 and SbCl3. SbF3 is prepared by treating antimony trioxide with hydrogen fluoride: :Sb2O3 + 6 HF → 2 SbF3 + 3 H2O The compound is a mild Lewis acid, hydrolyzing slowly in water. With fluorine, it is oxidized to give antimony pentafluoride. :SbF3 + F2 → SbF5 Applications It is used as a fluorination reagent in organic chemistry. This application was reported by the Belgian c ...
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