The Jet-Cooled High Resolution tilde{A} ^2E''-tilde{X} ^2A_2' Vibronic Bands of NO_3

Details The Jet-Cooled High Resolution tilde{A} ^2E''-tilde{X} ^2A_2' Vibronic Bands of NO_3 The Jet-Cooled High Resolution tilde{A} ^2E''-tilde{X} ^2A_2' Vibronic Bands of NO_3

Jun 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011mss..confetd07c&link_type=abstract

"International Symposium On Molecular Spectroscopy, 66th Meeting, Held 20-24 June, 2011 at Ohio State University. http://molspec

Physics

Electronic

Scientific paper

The 0^0_0, 4^1_0, 4^2_0 and 2^1_0 vibronic bands of the tilde{A} state NO_3 absorption spectrum has been successfully observed with our high-resolution, jet-cooled cavity ring-down apparatus. Ground state combination differences are used to analyze all four vibronic bands. Rotational transitions of the 4^1_0 band (parallel band) band are assigned including some levels that appear to be doubled. The 4^2_0 band verifies the existence of anomalous doublets in both the 4^1_0 and 4^2_0 bands. The 2^1_0 band is a perpendicular band which has a different band type. Preliminary assignments of this band are utilized for the comprehensive understanding of the structure of NO_3 in the tilde{A} state. Besides the ν_2 and ν_4 vibronic bands, the vibronically forbidden origin band (0^0_0 band) has also been recorded. The weakly observed tilde{A}-tilde{X} origin band structure appears to be different from either the parallel or perpendicular band type and is likely a magnetic dipole transition.
K. Kawaguchi, E. Hirota, T. Ishiwata, and I. Tanaka, {J. Chem. Phys., 93, 951 (1990)
K. Kawaguchi, T. Ishiwata, E. Hirota, and I. Tanaka, {Chem. Phys., 231, 193 (1998)

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