Spectroscopic Investigation of Electron-Induced Proton Transfer in the Formic Acid Dimer, (HCOOH)2

Details Spectroscopic Investigation of Electron-Induced Proton Transfer in the Formic Acid Dimer, (HCOOH)2 Spectroscopic Investigation of Electron-Induced Proton Transfer in the Formic Acid Dimer, (HCOOH)2

Jun 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011mss..conferj11g&link_type=abstract

"International Symposium On Molecular Spectroscopy, 66th Meeting, Held 20-24 June, 2011 at Ohio State University. http://molspec

Physics

Radicals And Ions

Scientific paper

We have isolated the stable form of the formic acid dimer anion (HCOOH)2-, a model for electron-induced proton transfer between nucleic acid base-pairs, in the gas phase. The vibrational signatures of this species and its various isotopomers were investigated using Ar predissociation and photodetachment spectroscopies in the 600-3800 wn range. We relate the experimental infrared transitions of the anion to those predicted for its calculated lowest energy structure in order to determine if a proton transfer event does in fact occur upon excess electron attachment to this simple hydrogen-bonded dimer. Additionally, we determined its vertical detachment energy (VDE), 1.8 eV, using velocity-map photoelectron imaging.

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