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Formaldehyde in Super Acids: A Succession of Products from Carbenium through Oxonium Ion to Hydroxymethyl(methylidene)oxonium Salts |
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| Authors: | Rolf Minkwitz Stefan Schneider Hans Preut |
| Abstract: | An oxonium ion with hydroxymethyl and methylidene substituents is found in the salts 1 -MF6 (M=As, Sb), which can be isolated from solutions of formaldehyde in superacids HF/MF5. Their formation was at first surprising, since NMR spectroscopy indicates that protonated monofluoromethanol is present in solution. |
| Keywords: | Formaldehyde IR spectroscopy Raman spectroscopy Superacidic systems Oxonium ions |