Spectroscopic observation of the formyl cation in a condensed phase

Peter J.F. De Rege, John A. Gladysz, István T. Horváth

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48 Citations (Scopus)

Abstract

The formyl cation, HCO+, has long been believed to be an important intermediate in the chemistry of carbon monoxide (CO) in acidic environments, but its spectroscopic observation in solution has been elusive. This species was generated by the reaction of CO with the liquid superacid hydrofluoric acid-antimony pentafluoride (HF-SbF5) under pressure and was observed by nuclear magnetic resonance and infrared spectroscopy. Equilibria between CO in the gas phase, CO dissolved in HF-SbF5, the SbF5 adduct of formyl fluoride, and HCO+ associated with several equilibrating anions of the type [Sb(x)F(5x +1]- are proposed to describe the system.

Original languageEnglish
Pages (from-to)776-779
Number of pages4
JournalScience
Volume276
Issue number5313
DOIs
Publication statusPublished - May 2 1997

ASJC Scopus subject areas

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