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Titolo:
Algebraic approach for the calculation of polyatomic Franck-Condon factors: application to the vibronically resolved absorption spectrum of disulfur monoxide (S2O)
Autore:
Muller, T; Vaccaro, PH; Perez-Bernal, F; Iachello, F;
Indirizzi:
Yale Univ, Dept Chem, New Haven, CT 06520 USA Yale Univ New Haven CT USA 06520 Univ, Dept Chem, New Haven, CT 06520 USA Yale Univ, Ctr Theoret Phys, New Haven, CT 06520 USA Yale Univ New Haven CT USA 06520 tr Theoret Phys, New Haven, CT 06520 USA
Titolo Testata:
CHEMICAL PHYSICS LETTERS
fascicolo: 3-4, volume: 329, anno: 2000,
pagine: 271 - 282
SICI:
0009-2614(20001020)329:3-4<271:AAFTCO>2.0.ZU;2-Y
Fonte:
ISI
Lingua:
ENG
Soggetto:
RING-DOWN SPECTROSCOPY; ROTATION-VIBRATION SPECTRA; MOLECULES;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
33
Recensione:
Indirizzi per estratti:
Indirizzo: Vaccaro, PH Yale Univ, Dept Chem, 225 Prospect St, New Haven, CT 06520 USAYale Univ 225 Prospect St New Haven CT USA 06520 CT 06520 USA
Citazione:
T. Muller et al., "Algebraic approach for the calculation of polyatomic Franck-Condon factors: application to the vibronically resolved absorption spectrum of disulfur monoxide (S2O)", CHEM P LETT, 329(3-4), 2000, pp. 271-282

Abstract

Cavity ring-down spectroscopy (CRDS) has been employed to probe the (C) over tilde (1)A' <-- <(X)over tilde>1A' (pi* <-- <pi>) absorption system of jet-cooled disulfur monoxide (S2O) molecules. Vibronically resolved featurespossessing up to 8 quanta of excitation in the v(2)' S-S stretching mode of the (C) over tilde state have been characterized, with the onset of rapidpredissociation for v(2)' greater than or equal to 4 being manifest in thewidths of band contours. Measured vibronic intensities are in good accord with predictions derived from a Lie algebraic (or vibron) treatment of Franck-Condon factors for the corresponding S2O emission spectrum. (C) 2000 Elsevier Science B.V. All rights reserved.

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Documento generato il 24/10/20 alle ore 14:02:35