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Trihydroxycarbenium Hexafluorometalates: Salts of Protonated Carbonic Acid |
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| Authors: | Rolf Minkwitz Stefan Schneider |
| Abstract: | Stabilization by salt formation : carbonic acid, which is not available as a pure substance, was isolated in the form of its trihydroxycarbenium salts, C(OH)3+ MF6− (M=As, Sb), from the reaction of carbonic acid bis(trimethylsilyl) ester in the superacids HF/MF5. The structure of the cation is shown in the picture. The ion was also characterized by vibrational spectroscopic studies. |
| Keywords: | Carbenium ions Carbonic acid Vibrational spectroscopy Superacidic systems Trihydroxycarbenium salts |