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Titolo:
Two-photon spectroscopy of the acetaldehyde-Ar complex
Autore:
Kim, Y; Fleniken, J; Meyer, H;
Indirizzi:
Univ Georgia, Dept Phys & Astron, Athens, GA 30602 USA Univ Georgia Athens GA USA 30602 Dept Phys & Astron, Athens, GA 30602 USA
Titolo Testata:
JOURNAL OF PHYSICAL CHEMISTRY A
fascicolo: 32, volume: 103, anno: 1999,
pagine: 6327 - 6334
SICI:
1089-5639(19990812)103:32<6327:TSOTAC>2.0.ZU;2-5
Fonte:
ISI
Lingua:
ENG
Soggetto:
INTRAMOLECULAR VIBRATIONAL REDISTRIBUTION; MOLECULAR-BEAM SCATTERING; METHYL INTERNAL-ROTATION; JET-COOLED ACETALDEHYDE; N,3S RYDBERG TRANSITION; DER-WAALS COMPLEX; 2-PHOTON SPECTROSCOPY; ELECTRONIC-SPECTRUM; MULTIPHOTON IONIZATION; ARGON-ACETALDEHYDE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
53
Recensione:
Indirizzi per estratti:
Indirizzo: Meyer, H Univ Georgia, Dept Phys & Astron, Athens, GA 30602 USA Univ Georgia Athens GA USA 30602 & Astron, Athens, GA 30602 USA
Citazione:
Y. Kim et al., "Two-photon spectroscopy of the acetaldehyde-Ar complex", J PHYS CH A, 103(32), 1999, pp. 6327-6334

Abstract

The two-photon spectrum of the acetaldehyde-Ar complex has been measured in the vicinity of the (n,3s) Rydberg transition of the acetaldehyde monomer. The cluster spectrum is blue shifted by 14 cm(-1) from the monomer origin. The vibrational analysis yields harmonic frequencies of 32, 27, and 21 cm(-1) for the intermolecular modes. The two high-frequency modes are Franck-Condon active, indicating a substantial displacement of the minimum configuration with respect to the ground-state equilibrium structure. The abrupt disappearance of the vibrational structure at energies of about 190 cm(-1) above the origin is interpreted as the dissociation limit of the complex.

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Documento generato il 05/07/20 alle ore 11:18:19