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 Title: Vibronic Analysis Of The Ã2 E′′ State Of No3 Radical Author(s): Codd, Terrance Joseph Contributor(s): Miller, Terry A.; Stanton, John F. Subject(s): Radicals Abstract: A moderate resolution spectrum of the $\widetilde{A}^2 E^{\prime\prime}$ state of the NO$_3$ radical has been obtained using jet-cooled cavity ringdown spectroscopy. The analysis of the vibronic structure of this spectrum has been undertaken using a quadratic Jahn-Teller Hamiltonian. All observed transitions have been assigned and unperturbed frequencies and Jahn-Teller coupling constants were determined by fitting the experimental spectrum using nonlinear least squares regression. We find evidence of strong Jahn-Teller coupling in this electronic state, particularly in the $\nu_3$ mode. These results are compared to electronic structure calculations including terms up to fourth order. Calculated and experimental spectra are presented and critically compared. Issue Date: 2014-06-16 Publisher: International Symposium on Molecular Spectroscopy Citation Info: Codd, T.J.; Miller, T.A.; Stanton, J.F. VIBRONIC ANALYSIS OF THE Ã2 E′′ STATE OF NO3 RADICAL. Proceedings of the International Symposium on Molecular Spectroscopy, Urbana, IL, June 16-21, 2014. DOI: 10.15278/isms.2014.MI11 Genre: CONFERENCE PAPER/PRESENTATION Type: Text Language: English URI: http://hdl.handle.net/2142/50840 DOI: https://doi.org/10.15278/isms.2014.MI11 Rights Information: Copyright 2014 by the authors. Licensed under a Creative Commons Attribution 4.0 International License. http://creativecommons.org/licenses/by/4.0/ Date Available in IDEALS: 2014-09-172015-04-14
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