IRIS publication 67924413
The S-0->S-4 transition of jet-cooled fluoranthene: Vibronic coupling of S-4 with S-3
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TY - JOUR - Ruth, A. A.,Wick, M. T. - 1997 - February - Chemical Physics Letters - The S-0->S-4 transition of jet-cooled fluoranthene: Vibronic coupling of S-4 with S-3 - Validated - () - 266 - 1-21-2 - 206 - 216206 - The S-1 --> S-0 fluorescence excitation spectrum of fluoranthene in a continuous supersonic jet was measured in the region of the S-0 --> S-4 absorption band. The vibrational structure of S-4 was studied up to excess energies of approximate to 1600 cm(-1) above the S-4,S-0 origin at approximate to 35664 cm(-1). In total 19 vibronic transitions were observed. The origin of the S-0 --> S-4 absorption band consists of at least two transitions, S-0,S-0 --> S-4,S-0' (Gamma(4,0') approximate to 89 cm(-1)) and S-0,S-0--> S-4,S-0'' (Gamma(4,0'') approximate to 79 cm(-1)), whose contributions to the 0, 0 band can be described by Lorentzian line profiles. The lower limit of the lifetime of S-4,S-0 was estimated to be greater than or similar to 60 fs. In the overlapping region of the S-4,S-0 absorption band and the {S-3,S-w} manifold, fluoranthene exhibits an intermediate-level structure; the vibronic coupling S-4 double left right arrow S-3 can be classified as a strong intermediate case.The S-1 --> S-0 fluorescence excitation spectrum of fluoranthene in a continuous supersonic jet was measured in the region of the S-0 --> S-4 absorption band. The vibrational structure of S-4 was studied up to excess energies of approximate to 1600 cm(-1) above the S-4,S-0 origin at approximate to 35664 cm(-1). In total 19 vibronic transitions were observed. The origin of the S-0 --> S-4 absorption band consists of at least two transitions, S-0,S-0 --> S-4,S-0' (Gamma(4,0') approximate to 89 cm(-1)) and S-0,S-0--> S-4,S-0'' (Gamma(4,0'') approximate to 79 cm(-1)), whose contributions to the 0, 0 band can be described by Lorentzian line profiles. The lower limit of the lifetime of S-4,S-0 was estimated to be greater than or similar to 60 fs. In the overlapping region of the S-4,S-0 absorption band and the {S-3,S-w} manifold, fluoranthene exhibits an intermediate-level structure; the vibronic coupling S-4 double left right arrow S-3 can be classified as a strong intermediate case. - 0009-26140009-2614 - ://A1997WJ27600033 ://A1997WJ27600033 DA - 1997/02 ER -
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@article{V67924413, = {Ruth, A. A. and Wick, M. T. }, = {1997}, = {February}, = {Chemical Physics Letters}, = {The S-0->S-4 transition of jet-cooled fluoranthene: Vibronic coupling of S-4 with S-3}, = {Validated}, = {()}, = {266}, = {1-21-2}, pages = {206--216206}, = {{The S-1 --> S-0 fluorescence excitation spectrum of fluoranthene in a continuous supersonic jet was measured in the region of the S-0 --> S-4 absorption band. The vibrational structure of S-4 was studied up to excess energies of approximate to 1600 cm(-1) above the S-4,S-0 origin at approximate to 35664 cm(-1). In total 19 vibronic transitions were observed. The origin of the S-0 --> S-4 absorption band consists of at least two transitions, S-0,S-0 --> S-4,S-0' (Gamma(4,0') approximate to 89 cm(-1)) and S-0,S-0--> S-4,S-0'' (Gamma(4,0'') approximate to 79 cm(-1)), whose contributions to the 0, 0 band can be described by Lorentzian line profiles. The lower limit of the lifetime of S-4,S-0 was estimated to be greater than or similar to 60 fs. In the overlapping region of the S-4,S-0 absorption band and the {S-3,S-w} manifold, fluoranthene exhibits an intermediate-level structure; the vibronic coupling S-4 double left right arrow S-3 can be classified as a strong intermediate case.The S-1 --> S-0 fluorescence excitation spectrum of fluoranthene in a continuous supersonic jet was measured in the region of the S-0 --> S-4 absorption band. The vibrational structure of S-4 was studied up to excess energies of approximate to 1600 cm(-1) above the S-4,S-0 origin at approximate to 35664 cm(-1). In total 19 vibronic transitions were observed. The origin of the S-0 --> S-4 absorption band consists of at least two transitions, S-0,S-0 --> S-4,S-0' (Gamma(4,0') approximate to 89 cm(-1)) and S-0,S-0--> S-4,S-0'' (Gamma(4,0'') approximate to 79 cm(-1)), whose contributions to the 0, 0 band can be described by Lorentzian line profiles. The lower limit of the lifetime of S-4,S-0 was estimated to be greater than or similar to 60 fs. In the overlapping region of the S-4,S-0 absorption band and the {S-3,S-w} manifold, fluoranthene exhibits an intermediate-level structure; the vibronic coupling S-4 double left right arrow S-3 can be classified as a strong intermediate case.}}, issn = {0009-26140009-2614}, = {://A1997WJ27600033 ://A1997WJ27600033}, source = {IRIS} }
Data as stored in IRIS
AUTHORS | Ruth, A. A.,Wick, M. T. | ||
YEAR | 1997 | ||
MONTH | February | ||
JOURNAL_CODE | Chemical Physics Letters | ||
TITLE | The S-0->S-4 transition of jet-cooled fluoranthene: Vibronic coupling of S-4 with S-3 | ||
STATUS | Validated | ||
TIMES_CITED | () | ||
SEARCH_KEYWORD | |||
VOLUME | 266 | ||
ISSUE | 1-21-2 | ||
START_PAGE | 206 | ||
END_PAGE | 216206 | ||
ABSTRACT | The S-1 --> S-0 fluorescence excitation spectrum of fluoranthene in a continuous supersonic jet was measured in the region of the S-0 --> S-4 absorption band. The vibrational structure of S-4 was studied up to excess energies of approximate to 1600 cm(-1) above the S-4,S-0 origin at approximate to 35664 cm(-1). In total 19 vibronic transitions were observed. The origin of the S-0 --> S-4 absorption band consists of at least two transitions, S-0,S-0 --> S-4,S-0' (Gamma(4,0') approximate to 89 cm(-1)) and S-0,S-0--> S-4,S-0'' (Gamma(4,0'') approximate to 79 cm(-1)), whose contributions to the 0, 0 band can be described by Lorentzian line profiles. The lower limit of the lifetime of S-4,S-0 was estimated to be greater than or similar to 60 fs. In the overlapping region of the S-4,S-0 absorption band and the {S-3,S-w} manifold, fluoranthene exhibits an intermediate-level structure; the vibronic coupling S-4 double left right arrow S-3 can be classified as a strong intermediate case.The S-1 --> S-0 fluorescence excitation spectrum of fluoranthene in a continuous supersonic jet was measured in the region of the S-0 --> S-4 absorption band. The vibrational structure of S-4 was studied up to excess energies of approximate to 1600 cm(-1) above the S-4,S-0 origin at approximate to 35664 cm(-1). In total 19 vibronic transitions were observed. The origin of the S-0 --> S-4 absorption band consists of at least two transitions, S-0,S-0 --> S-4,S-0' (Gamma(4,0') approximate to 89 cm(-1)) and S-0,S-0--> S-4,S-0'' (Gamma(4,0'') approximate to 79 cm(-1)), whose contributions to the 0, 0 band can be described by Lorentzian line profiles. The lower limit of the lifetime of S-4,S-0 was estimated to be greater than or similar to 60 fs. In the overlapping region of the S-4,S-0 absorption band and the {S-3,S-w} manifold, fluoranthene exhibits an intermediate-level structure; the vibronic coupling S-4 double left right arrow S-3 can be classified as a strong intermediate case. | ||
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ISBN_ISSN | 0009-26140009-2614 | ||
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URL | ://A1997WJ27600033 ://A1997WJ27600033 | ||
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