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VIBRATIONAL DEPENDENCE OF EXCITED STATE INTRAMOLECULAR PROTON TRANSFER IN 2-(2$^\prime$-PYRIDYL)PYRROLE IN THE GAS PHASE VIA HIGH RESOLUTION ELECTRONIC SPECTROSCOPY

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/46259

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Title: VIBRATIONAL DEPENDENCE OF EXCITED STATE INTRAMOLECULAR PROTON TRANSFER IN 2-(2$^\prime$-PYRIDYL)PYRROLE IN THE GAS PHASE VIA HIGH RESOLUTION ELECTRONIC SPECTROSCOPY
Creators: Morgan, Philip J.; Fleisher, Adam J.; Pratt, David W.; Kijak, Michal; Waluk, Jacek
Issue Date: 2010
Publisher: Ohio State University
Abstract: Rotationally resolved fluorescence excitation spectra of the S$_1\leftarrow$S$_0$ origin band and +144 cm\textsuperscript{-1} vibrational band transitions of 2-(2$^\prime$-Pyridyl)pyrrole (2PP) have been recorded in the collision free environment of a molecular beam. Analyses of these data provide new information about the changes in geometry that occur when 2PP absorbs light. Additionally, significant line broadening is observed in both spectra, which we attribute to an excited state intramolecular proton transfer (ESIPT) reaction. The dynamics and vibrational mode dependence of ESIPT in 2PP will be discussed.
Description: Work supported by NSF (CHE-0911117)
Synthesis by Randolph P. Thummel, University of Houston, Houston, Texas 77204-5003
Author Institution: Department of Chemistry, University of Pittsburgh, Pittsburgh, PA 15260; Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
URI: http://hdl.handle.net/1811/46259
Other Identifiers: 2010-TA-02
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