The [nu][sub 2] + [nu][sub 3] and [nu][sub 2] + [nu][sub 3] [minus] [nu][sub 2] bands of [sup 14]N[sup 16]O[sub 2]: Line positions and intensities

Journal Article · Tue Nov 01 00:00:00 EST 1994 · Journal of Molecular Spectroscopy; (United States)

DOI:https://doi.org/10.1006/jmsp.1994.1259· OSTI ID:6763811

Perrin, A; Flaud, J M; Camy-Peyret, C ^[1]; Hurtmans, D; Herman, M ^[2]; Guelachvili, G ^[3]

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1. Univ. P. et M. Curie, Paris (France). Lab. de Physique Moleculaire et Applications
2. Univ. Libre de Bruxelles (Belgium). Lab. de Chimie Physique Moleculaire
3. Univ. P. et M. Curie, Orsay (France). Lab. de Physique Moleculaire et Applications

High-resolution Fourier transform spectra recorded in the 2,270--2,400 cm[sup [minus]1] and 1,520--1,600 cm[sup [minus]1] spectral regions have bene used to measure, up to very high N values, the position of lines with K[sub a] = 0--9 of the [nu][sub 2] + [nu][sub 3] and [nu][sub 2] + [nu][sub 3] [minus] [nu][sub 2] bands of [sup 14]N[sup 16]O[sub 2] as well as their absolute intensities and a self broadening coefficient [gamma][sub 0] = 0.095 [+-] 0.032 cm[sup [minus]1] atm[sup [minus]1] (at 292 K). The spin-rotation energy levels were very satisfactorily reproduced using a theoretical model which explicitly takes into account both the Coriolis interaction between the spin-rotation levels of the (011) vibrational state and those of (030), and the spin-rotation resonances within (011) and (030). As a consequence, precise vibrational band centers and rotational, spin-rotation, and coupling constants were obtained for the diad [l brace](030), (011)[r brace] of interacting states for [sup 14]N[sup 16]O[sub 2]. In addition, using a large set of individual [nu][sub 2] + [nu][sub 3] line intensities, the authors have determined precisely the [nu][sub 2] + [nu][sub 3] transition moments of [sup 14]N[sup 16]O[sub 2]. On the other hand, the transition moments of the [nu][sub 2] + [nu][sub 3] [minus] [nu][sub 2] and 3[nu][sub 2] [minus] [nu][sub 2] bands were derived from those of the corresponding [nu][sub 3] and 2[nu][sub 2] cold bands. Finally, a comprehensive list of line positions and intensities of the interacting [l brace][nu][sub 2] + [nu][sub 3], 3[nu][sub 2][r brace] and [l brace][nu][sub 2] + [nu][sub 3] [minus] [nu][sub 2], 3[nu][sub 2] [minus] [nu][sub 2][r brace] bands of [sup 14]N[sup 16]O[sub 2] has been generated at 4.2 and 6.2 [mu]m, respectively.

• OSTI ID: 6763811
• Journal Information: Journal of Molecular Spectroscopy; (United States), Vol. 168:1; ISSN 0022-2852
• Country of Publication: United States
• Language: English

Related Subjects

54 ENVIRONMENTAL SCIENCES
NITROGEN DIOXIDE
MEASURING METHODS
ABSORPTION SPECTRA
FOURIER TRANSFORMATION
MATHEMATICAL MODELS
NITROGEN 14
OXYGEN 16
TRACER TECHNIQUES
CHALCOGENIDES
EVEN-EVEN NUCLEI
INTEGRAL TRANSFORMATIONS
ISOTOPE APPLICATIONS
ISOTOPES
LIGHT NUCLEI
NITROGEN COMPOUNDS
NITROGEN ISOTOPES
NITROGEN OXIDES
NUCLEI
ODD-ODD NUCLEI
OXIDES
OXYGEN COMPOUNDS
OXYGEN ISOTOPES
SPECTRA
STABLE ISOTOPES
TRANSFORMATIONS
540120* - Environment
Atmospheric- Chemicals Monitoring & Transport- (1990-)