Improvement of Spectroscopic Constants for the A3Π1u ← X1Σ+G System of Br2

Details Improvement of Spectroscopic Constants for the A3Π1u ← X1Σ+G System of Br2 Improvement of Spectroscopic Constants for the A3Π1u ← X1Σ+G System of Br2

Jun 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011mss..confemf11n&link_type=abstract

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

Physics

Electronic

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High-resolution spectroscopy in the near infrared region is very important for frequency standards. We have measured the Doppler limited vibrational-rotational spectrum of ICl, IBr, I_2 and Br_2 by using a titanium sapphire laser, and have reported their spectroscopic constants. The present work presents revised spectroscopic constants for the X-state of Br_2 which are obtained by performing a combined-isotopologue least-squares fit to all available data for the three isotopic species. We are also attempting to observe the lowest vibrational levels of the A-state in order to allow us to determine the potential energy function of this state. Measurements were made at room temperature in the region 13000-13700 {cm}-1 and at 150-250°C in the region 11600-13000 {cm}-1. Details of these results will be presented.
N. Nishimiya, T. Yukiya, and M. Suzuki, J. Mol. Spectrosc. 163, 43 (2009).
T. Yukiya, N. Nishimiya, and M. Suzuki, J. Mol. Spectrosc. 214, 132 (2002).
N. Nishimiya, T. Yukiya, and M. Suzuki, J. Mol. Spectrosc. 182, 271 (1997).
T. Yukiya, N. Nishimiya, and M. Suzuki, Columbus Meeting, paper WH02 (2005).

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