# HIGH RESOLUTION ELECTRONIC STARK SPECTROSCOPY OF $P$-AMINO BENZOIC ACID IN THE GAS PHASE}

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 Title: HIGH RESOLUTION ELECTRONIC STARK SPECTROSCOPY OF $P$-AMINO BENZOIC ACID IN THE GAS PHASE} Creators: Mitchell, Diane M.; Morgan, Philip J.; Pratt, David W. Issue Date: 2008 Publisher: Ohio State University Abstract: Due to its biological relevance, hydrogen bonding ability, and push-pull'' structure, $p-$amino benzoic acid (PABA) has been the subject of several gas phase studies.}\textbf{92}, 7625 (1990).}} \textbf{107}, 3036 (2003).}}\textbf{109}, 2809 (2005).} Here, the structure of PABA in the S$_{0}$ and S$_{1}$ states has been determined using rotationally resolved electronic spectroscopy. Additionally, Stark spectra were taken while applying an electric field in order to determine the orientations and magnitudes of the permanent electric dipole moments of PABA in both electronic states. The results will be discussed. Description: [2]G. Meijer, M. S. de Vries, H. E. Hunziker, and H. R. Wendt. J. Chem. Phys. [3]I. Compagnon, R. Antoine, D. Rayane, M. Broyer, and Ph. Dugourd. J. Phys. Chem. A.[4]Y. He, C. Wu and W. Kong. J. Phys. Chem. A. Work supported by NSF (CHE-0615755) Author Institution: Department of Chemistry, University of Pittsburgh, Pittsburgh, PA 15260 URI: http://hdl.handle.net/1811/33353 Other Identifiers: 2008-FB-02