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Excited-state intramolecular proton transfer in 3-hydroxyflavone: Comparison of time- and frequency-domain spectroscopy

Muehlpfordt, A., Bultmann, T., Ernsting, N. P. and Dick, Bernhard (1994) Excited-state intramolecular proton transfer in 3-hydroxyflavone: Comparison of time- and frequency-domain spectroscopy. Verhandelingen - Koninklijke Nederlandse Akademie van Wetenschappen, Afdeling Natuurkunde, Eerste Reeks 42, pp. 83-89.

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Abstract

Spectral evolution of transient absorption and gain for 3-hydroxyflavone (3-HF) in dry methylcyclohexane and fluorescence excitation spectrum of deuterated compd. isolated in a supersonic jet are reported. A comparison suggests that jet spectroscopy interrogates a metastable isomer of 3-HF in the electronic ground state. Semiempirical calcns. support this hypothesis.


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Item type:Article
Date:1994
Additional Information (public):Titel des vol.: "Femtosecond Reaction Dynamics". - CAN 122:326169 74-1 Radiation Chemistry, Photochemistry, and Photographic and Other Reprographic Processes 577-85-5D (3-Hydroxyflavone) Role: PEP (Physical, engineering or chemical process), PROC (Process) (fluorescence excitation spectrum of jet-cooled hydroxyflavone); 577-85-5 (3-Hydroxyflavone) Role: PEP (Physical, engineering or chemical process), PROC (Process) (spectral evolution of transient absorption and gain for hydroxyflavone in dry methylcyclohexane)
Institutions:Chemistry and Pharmacy > Institut für Physikalische und Theoretische Chemie > Chair of Chemistry III - Physical Chemistry (Molecular Spectroscopy and Photochemistry) > Prof. Dr. Bernhard Dick
Identification Number:
ValueType
1995:360232Other
Keywords:Molecular orbital (MNDO/AM1, excited-state intramol. proton transfer in hydroxyflavone); Fluorescence (excitation, vibrational level structure for jet-cooled hydroxyflavone and deuterated hydroxyflavone); Protonation and Proton transfer reaction (photochem., intramol., excited-state intramol. proton transfer in hydroxyflavone); Energy level transition (vibronic, excited-state intramol. proton transfer in hydroxyflavone); hydroxyflavone photolysis vibrational structure fluorescence excitation
Dewey Decimal Classification:500 Science > 540 Chemistry & allied sciences
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Partially
Item ID:5568
Owner only: item control page

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