# THE $S_{1} - S_{0}$ FLUORESCENCE EXCITATION SPECTRUM OF FORMIC ACID

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 Title: THE $S_{1} - S_{0}$ FLUORESCENCE EXCITATION SPECTRUM OF FORMIC ACID Creators: Beaty, L. M.; Moule, D. C.; Judge, R. H.; Liu, H.; Lim, E. C. Issue Date: 1998 Publisher: Ohio State University Abstract: The fluorescence excitation spectrum of formic acid monomer (HCOOH) has been recorded under jet-cooled conditions in the region, $268-257 nm$. A rotational analysis of the first four bands was used to establish the allowed and forbidden vibronic character of the transition as well as the torsional level splittings. A simulation of the torsional progression was carried out by ab-initio calculations at differing levels of approximation as a starting point for the refinement of the torsional and wagging potential functions. Description: Author Institution: Department of Chemistry, Brock University; Department of Chemistry, University of Wisconsin-Parkside; Knight Chemical Laboratory, University of Akron URI: http://hdl.handle.net/1811/18946 Other Identifiers: 1998-RH-01