Preparation and structure. Antimony pentafluoride is prepared by the reaction of antimony pentachloride with anhydrous hydrogen fluoride: [3] SbCl 5 + 5 HF → SbF 5 + 5 HCl. The material adopts a more complicated structure in the liquid and solid states. Laurence, C. and Gal, J.-F. Lewis Basicity and Affinity Scales, Data and Measurement, (Wiley 2010) pp 50-51 IBSN 978-0-470-74957-9, National Institute for Occupational Safety and Health, colorless or reddish-yellow (fuming) liquid, oily, Srpskohrvatski / српскохрватски. Structure and stability: a vibrational and NMR study Part I. R Drago. 4H2O. The crystalline material is a tetramer, meaning that it has the formula [SbF4(μ-F)]4. It melts at 2.8°C and boils at 140°C. Antimony pentachloride: 7647-18-9: 1000 pounds & indicates that no RQ is assigned to this generic or broad class, although the class is a CERCLA hazardous substance. In its structure the antimony 5 chloride atoms surround Sb. Enthalpies de complexation de quelques phosphoramides avec le chlorure d'antimoine(V). Question: The Compound SbCl_5 (antimony Pentachloride) Is A Thick Colorless Oil At Room Temperature. It is notable for its Lewis acidity and its ability to react with almost all known compounds. Because of this, it may etch even stainless-steel tools (such as needles), if handled in a moist atmosphere. Antimony trifluoride is the inorganic compound with the formula SbF 3.Sometimes called Swarts' reagent, is one of two principal fluorides of antimony, the other being SbF 5.It appears as a white solid. 4H2O. It dissolves in chloroform. A yellow, oily liquid with a putrid smell. Thermochimica Acta 1983, 60 (2) , 137-147. This compound forms adducts with many Lewis bases. See 50 Federal Register 13456 (April 4, 1985). Temperature (K) A B C Reference Comment; 295.9 - 387.3: 4.89114: 2046.733-32.292: Stull, 1947: Coefficents calculated by NIST from author's data. A donor number is defined as the negative enthalpy value for the 1:1 adduct formation between a Lewis base and the standard Lewis acid SbCl 5 (antimony pentachloride), in dilute solution in the noncoordinating solvent 1,2-dichloroethane with a zero DN. It is used as the standard Lewis acid in the Gutmann scale of Lewis basicity. It is used as the standard Lewis acid in the Gutmann scale of Lewis basicity. [7] However, Cramer-Bopp plots show that a one-parameter basicity scale is incomplete and that there is no single rank order of base strength. Antimony pentachloride is used as a polymerization catalyst and for the chlorination of organic compounds. Antimony pentachloride is used as a Stain for materials containing hydroxyl groups such as Dammar, Mastic, sterols, nondrying oils, and vitamins.It reacts to form an adduct that fluoresces blue-white in Ultraviolet light.Antimony pentachloride is moisture sensitive and will decompose in the presence of Water or alcohols. 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