六氟合钨(V)酸锂
六氟合钨(V)酸锂 | |
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英文名 | Lithium hexafluorotungstate(V) |
识别 | |
CAS号 | 65629-56-3 |
性质 | |
化学式 | F6LiW |
摩尔质量 | 304.77 g·mol−1 |
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。 |
六氟合钨(V)酸锂是一种无机化合物,化学式为LiWF6。
制备及结构
六氟合钨(V)酸锂可由碘化锂和六氟化钨在液态二氧化硫中反应制得。[1]它具有LiSbF6构型,晶胞参数a=5.45 A, α=57.4°。[2]
性质
六氟合钨(V)酸锂不稳定,在50 °C的真空中便会分解。[1]它可以在次氯酸盐的碱性溶液中发生如下反应:[3]
- 2 LiWF6 + ClO− + 14 OH− → 2 Li+ + 2WO42− + Cl− + 12 F− + 7 H2O
参考文献
- ^ 1.0 1.1 R. D. W. Kemmitt, D. R. Russell, D. W. A. Sharp. 844. The structural chemistry of complex fluorides of general formula AIBVF6. Journal of the Chemical Society (Resumed). 1963: 4408 [2019-06-22]. ISSN 0368-1769. doi:10.1039/jr9630004408 (英语).
- ^ D. Babel. Structural chemistry of octahedral fluorocomplexes of the transition elements 3. Springer Berlin Heidelberg. 1967: 1–87 [2019-06-22]. ISBN 9783540039907. doi:10.1007/bfb0118878 (英语).[永久失效連結]
- ^ J. Burgess, R.D. Peacock. The fluoride ion affinity of tungsten pentafluoride and the electron affinity of tungsten hexafluoride.. Journal of Fluorine Chemistry. 1977-12, 10 (6): 479–486 [2019-06-22]. doi:10.1016/S0022-1139(00)82428-8 (英语).
参见
- Hargreaves, G. B., & Peacock, R. D. (1957). 844. Some fluoromolybdates (V) and fluorotungstates (V). Journal of the Chemical Society (Resumed), 4212-4214.
- Mazej, Z., & Hagiwara, R. (2007). Hexafluoro-, heptafluoro-, and octafluoro-salts, and [MnF5n+1]−(n=2, 3, 4) polyfluorometallates of singly charged metal cations, Li+–Cs+, Cu+, Ag+, In+ and Tl+. Journal of Fluorine Chemistry, 128(4), 423-437.