High-resolution laser spectroscopy and magnetic effect of the B̃(2)E(')←X̃(2)A2(') transition of the (15)N substituted nitrate radical

The Journal of Chemical Physics
Kohei TadaShunji Kasahara

Abstract

Rotationally resolved high-resolution fluorescence excitation spectra of the 0-0 band of the B̃(2)E(')←X̃(2)A2(') transition of the (15)N substituted nitrate radical were observed for the first time, by crossing a jet-cooled molecular beam and a single-mode dye laser beam at right angles. Several thousand rotational lines were detected in the 15 080-15 103 cm(-1) region. We observed the Zeeman splitting of intense lines up to 360 G in order to obtain secure rotational assignment. Two, nine, and seven rotational line pairs with 0.0248 cm(-1) spacing were assigned to the transitions from the X̃(2)A2(') (υ″ = 0, k″ = 0, N″ = 1, J″ = 0.5 and 1.5) to the (2)E3/2(') (J' = 1.5), (2)E1/2(') (J' = 0.5), and (2)E1/2(') (J' = 1.5) levels, respectively, based on the ground state combination differences and the Zeeman splitting patterns. The observed spectrum was complicated due to the vibronic coupling between the bright B̃(2)E(') (υ = 0) state and surrounding dark vibronic states. Some series of rotational lines other than those from the X̃(2)A2(') (J = 0.5 and 1.5) levels were also assigned by the ground state combination differences and the observed Zeeman splitting. The rotational branch structures were identified, and the molecular co...Continue Reading

References

Jun 25, 2008·Journal of Environmental Sciences (China)·Suwen LiYanwu Zhu
Dec 3, 2008·The Journal of Chemical Physics·Marilyn E Jacox, Warren E Thompson
Feb 3, 2009·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·Helmut BeckersMarilyn E Jacox
Dec 5, 2009·The Journal of Physical Chemistry. a·Marilyn E Jacox, Warren E Thompson
Dec 23, 2009·The Journal of Physical Chemistry. a·Takashi IshiwataIkuzo Tanaka
Jul 1, 2010·Environmental Science & Technology·David AsafMenachem Luria
Oct 3, 2013·The Journal of Physical Chemistry. a·Kentarou KawaguchiTakashi Ishiwata
Nov 17, 2014·The Journal of Chemical Physics·Kohei TadaShunji Kasahara

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Citations

Nov 4, 2017·The Journal of Chemical Physics·Kohei TadaShunji Kasahara

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