The Criegee intermediate-formic acid reaction explored by rotational spectroscopy

Physical Chemistry Chemical Physics : PCCP
Carlos Cabezas, Yasuki Endo

Abstract

The atmospheric reaction of the simplest Criegee intermediate, CH2OO, with formic acid has been investigated in the gas phase by pulsed Fourier-transform microwave spectroscopy. The dominant nascent product from this reaction was identified as hydroperoxymethyl formate (HOOCH2OCHO), for which two different conformations, formed through independent insertion mechanisms, were observed in the discharged plasma of a CH2I2/O2/formic acid gas mixture. The conformational identifications are supported by the observation of 13C species in natural abundance together with the chemically mono substituted deuterium isotopologues. These isotopic observations further suggest that hydroperoxymethyl formate slightly decomposes, producing formic anhydride (OHCOCHO) in a dehydration reaction.

References

Mar 26, 2008·Chemical Society Reviews·David Johnson, George Marston
Aug 16, 2008·Journal of the American Chemical Society·Craig A TaatjesDudley E Shallcross
Sep 21, 2013·The Journal of Chemical Physics·Masakazu Nakajima, Yasuki Endo
Nov 6, 2014·Physical Chemistry Chemical Physics : PCCP·Leonid ShepsKendrew Au
Mar 30, 2016·Physical Chemistry Chemical Physics : PCCP·Tran B NguyenPaul O Wennberg
Nov 17, 2016·The Journal of Chemical Physics·Carlos CabezasYasuki Endo
Oct 24, 2017·Physical Chemistry Chemical Physics : PCCP·L Vereecken

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Citations

Nov 21, 2019·Physical Chemistry Chemical Physics : PCCP·Carlos Cabezas, Yasuki Endo
Nov 20, 2020·Physical Chemistry Chemical Physics : PCCP·Michael F VanscoMarsha I Lester
May 22, 2021·Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy·Carlos CabezasYasuki Endo

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