次氟酸五氟化硫是一种化学式为 SOF6的气体。[1]
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SOF6 可以由氟化亚砜和氟气在 200 °C 下反应而成,由二氟化银催化。[2]
- SOF2 + 2F2 → SOF6(和一些 SOF4)
- SOF6 + 2I− + H2O → SO2F2 + I2 + 2HF + 2F−
和氢氧化物反应:
- 2SOF6 + 12OH− → O2 + 10F− + 5H2O + 2SO3F−
次氟酸五氟化硫会和烯烃加成,其中的 -OSF5 加到一个碳原子上,而 -F 则加到另一个碳原子。
- C2H4 + SOF6 → FH2CCH2OSF5.[3]
- C2F4 + SOF6 → CF3CF2OSF5(产物沸点 15℃)[3]
- SOF6 + ClCH=CH2 → FClCH-CH2-O-SF5[4]
- SOF6 + FCH=CH2 → F2CH-CH2-O-SF5[4]
- SOF6 + F2C=CH2 → F3CH-CH2-O-SF5[4]
- SOF6 + SOF4 → SF6、SOF4、五氟化硫过氧化五氟化硫 F5SOOSF5和五氟化硫氧化五氟化硫 F5SOSF5的混合物[3]
次氟酸五氟化硫热分解成氧气和六氟化硫。
- 2SOF6 → 2SF6 + O2.[3]
一些 SOF6的反应会氟化其它分子。
- SOF6 + CO → F2CO + SOF4.[3]
- SOF6 + F2CO → SF5OOCF3[5]
- SOF6 + SO3 → F5SOOSO2F[5]
- SOF6 + N2F4 → F5SONF2[5]
- 3SOF6 + Br2 → 2BrF3 + 3SOF4[5]
- 5SOF6 + I2 → 2IF5 + 5SOF4[5]
- PF3 + SOF6 → PF5 + SOF4[5]
- NO2 + SOF6 → 2NO2F[5]
Dudley, F. B.; Cady, G. H.; Eggers, D. F. Pentafluorosulfur Hypofluorite and Thionyl Tetrafluoride. Journal of the American Chemical Society. April 1956, 78 (8): 1553–1557. doi:10.1021/ja01589a013.
Crawford, Roger A.; Dudley, Frank B.; Hedberg, Kenneth. A Verification of the Molecular Structure of Pentafluorosulfur Hypofluorite (SF5OF) by Electron Diffraction. Journal of the American Chemical Society. October 1959, 81 (20): 5287–5288. doi:10.1021/ja01529a009.
Williamson, Stanley M.; Cady, George H. Reactions of Pentafluorosulfur Hypofluorite. Inorganic Chemistry. August 1962, 1 (3): 673–677. doi:10.1021/ic50003a044.
Williamson, Stanley M. On the Reaction of Pentafluorosulfur Hypofluorite with Unsymmetrical Two-Carbon Alkenes. Inorganic Chemistry. 1963, 2 (2): 421–422. doi:10.1021/ic50006a050.
Tattershall, B.W.; Cady, George H. Reactions of pentafluorosulphur hypofluorite (SF5OF) with Cl2, Br2, I2, NO2, and PF3. Journal of Inorganic and Nuclear Chemistry. December 1967, 29 (12): 3003–3005. doi:10.1016/0022-1902(67)80134-9.