15min:

ALEXANDER M. MORRISON, STEVEN D. FLYNN, TAO LIANG AND GARY E. DOUBERLY, Department of Chemistry, University of Georgia, Athens, Georgia 30602.

We report high resolution infrared spectra in the C-H stretch region for small hydrocarbon radicals isolated in helium nanodroplets. Stark Spectroscopy of the symmetric CH₂ stretch of the ethyl radical provides the first experimentally measured dipole moment for this species.