三氟甲磺酸氧钒

三氟甲磺酸氧钒是一种无机化合物，化学式为VO(CF₃SO₃)₂，它是钒形成的三氟甲磺酸盐之一。它可由过量的三氟甲磺酸和三氟乙酸氧钒反应制得，^[2]其水合物也可由三氟甲磺酸钡和硫酸氧钒反应，过滤除去硫酸钡后，从溶液中结晶得到。^[3]

三氟甲磺酸氧钒
识别
CAS号	63295-47-6（无水）  Y 956273-87-3（五水）  Y
性质
化学式	C2F6O7S2V
摩尔质量	365.08 g·mol−1
外观	蓝色固体
密度	2.017 g·cm-3（122 K）[1]
若非注明，所有数据均出自标准状态（25 ℃，100 kPa）下。

它在水中和二甲基亚砜反应，可以结晶出[VO(OS(CH₃)₂)₅](CF₃SO₃)₂。^[4]

参考文献

1. Magnussen, Magnus; Brock-Nannestad, Theis; Bendix, Jesper. Pentaaquaoxovanadium(IV) bis(trifluoromethanesulfonate). Acta Crystallographica Section C Crystal Structure Communications (International Union of Crystallography (IUCr)). 2007-01-13, 63 (2): m51–m53. ISSN 0108-2701. doi:10.1107/s010827010605219x.
2. Singh, Sukhjinder; Gill, Madanmohan Singh; Verma, Rajendar D. Vanadium (III), oxovanadium (IV) and oxovanadium (V) trifluoro-methanesulfonates. Journal of Fluorine Chemistry (Elsevier BV). 1985, 27 (2): 133–142. ISSN 0022-1139. doi:10.1016/s0022-1139(00)84982-9.
3. Chen, Chien-Tien; Kuo, Jen-Huang; Li, Chun-Hsin; Barhate, N. B.; Hon, Sang-Wen; Li, Tai-Wei; Chao, Shi-Deh; Liu, Chia-Cheng; Li, Ying-Chieh; Chang, I-Hsin; Lin, Jin-Sheng; Liu, Chin-Jing; Chou, Y-Chen. Catalytic Nucleophilic Acyl Substitution of Anhydrides by Amphoteric Vanadyl Triflate. Organic Letters (American Chemical Society (ACS)). 2001-10-20, 3 (23): 3729–3732. ISSN 1523-7060. doi:10.1021/ol016684c.
4. Krakowiak, Joanna; Lundberg, Daniel; Persson, Ingmar. A Coordination Chemistry Study of Hydrated and Solvated Cationic Vanadium Ions in Oxidation States +III, +IV, and +V in Solution and Solid State. Inorganic Chemistry (American Chemical Society (ACS)). 2012-09-05, 51 (18): 9598–9609. ISSN 0020-1669. doi:10.1021/ic300202f.