Vibrational-state distribution of nitrogen(B3.PI.g) produced from the argon(3P2,0) + nitrous oxide reaction

Autor:	Konrad T. Wu
Rok vydání:	1988
Předmět:	chemistry.chemical_classification Argon Chemistry Triatomic molecule General Engineering chemistry.chemical_element Excited state Physical and Theoretical Chemistry Rydberg state Atomic physics Ground state Inorganic compound Excitation Harmonic oscillator
Zdroj:	The Journal of Physical Chemistry. 92:2657-2662
ISSN:	1541-5740 0022-3654
DOI:	10.1021/j100320a051
Popis:	The N/sub 2/(B/sup 3/II/sub g/) product-state distribution for v' = 0-12 has been analyzed from the fluorescence observed in an Ar(/sup 3/P/sub 2,0/) + N/sub 2/O afterglow. This vibronic distribution shows a non-Boltzmann property, inverted at v' = 4. N/sub 2/(B) was found to be formed via predissociation of the Rydberg state converging into the ground state of N/sub 2/O/sup +/. The golden-rule model and the half-collision model in the collinear configuration are applied to this reaction system to explain the dynamical features. The results show that both Franck-Condon-like effects and final-state interactions are important in the predissociative excitation of N/sub 2/O. Potential curves are proposed for the effective harmonic oscillator and the repulsive states to reproduce the experimental vibronic-state distribution of N/sub 2/(B) and to interpret the predissociation mechanism.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::12a095f10214644ec623f32c4548a15b https://doi.org/10.1021/j100320a051 Zobrazit plný text záznamu