Vibrational predissociation in weakly-bound clusters: A dispersed fluorescence study of toluene rare-gas complexes

<p style="text-align:justify;"> The vibrational predissociation (VP) dynamics of toluene–Ar and toluene–Ne complexes have been investigated using single vibronic level fluorescence spectroscopy. For several levels, comparison of the dispersed fluorescence spectra with those from mon...

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Main Authors: Da Campo, R, Mackenzie, S
Format: Journal article
Language:English
Published: Elsevier 2007
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author Da Campo, R
Mackenzie, S
author_facet Da Campo, R
Mackenzie, S
author_sort Da Campo, R
collection OXFORD
description <p style="text-align:justify;"> The vibrational predissociation (VP) dynamics of toluene–Ar and toluene–Ne complexes have been investigated using single vibronic level fluorescence spectroscopy. For several levels, comparison of the dispersed fluorescence spectra with those from monomer levels permits the identification of the final monomer vibrational level. <br/>Pumping of the low-lying S1 <math><mrow is="true"><mover accent="true" is="true"><mrow is="true"><msubsup is="true"><mrow is="true"><mn is="true">13</mn></mrow><mrow is="true"><mn is="true">0</mn></mrow><mrow is="true"><mn is="true">1</mn></mrow></msubsup><mo is="true">/</mo><msubsup is="true"><mrow is="true"><mn is="true">24</mn></mrow><mrow is="true"><mn is="true">0</mn></mrow><mrow is="true"><mn is="true">1</mn></mrow></msubsup><msubsup is="true"><mrow is="true"><mn is="true">25</mn></mrow><mrow is="true"><mn is="true">0</mn></mrow><mrow is="true"><mn is="true">1</mn></mrow></msubsup></mrow><mrow is="true"><mo is="true" stretchy="true">¯</mo></mrow></mover></mrow></math> or <math><mrow is="true"><mover accent="true" is="true"><mrow is="true"><msubsup is="true"><mrow is="true"><mn is="true">37</mn></mrow><mrow is="true"><mn is="true">0</mn></mrow><mrow is="true"><mn is="true">1</mn></mrow></msubsup></mrow><mrow is="true"><mo is="true" stretchy="true">¯</mo></mrow></mover></mrow></math> transitions in toluene–Ar, for example, gives rise to efficient VP leaving the resulting toluene monomer in its vibrationless S1 state. By contrast, in the case of toluene–Ne, VP following <math><mrow is="true"><mover accent="true" is="true"><mrow is="true"><msup is="true"><mrow is="true"><mn is="true">37</mn></mrow><mrow is="true"><mn is="true">1</mn></mrow></msup></mrow><mrow is="true"><mo is="true" stretchy="true">¯</mo></mrow></mover></mrow></math> level pumping leaves the toluene molecule in an excited 16<sup>1</sup> level which is optically inaccessible from the ground state. </p>
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spelling oxford-uuid:b9191a15-0867-4700-8591-45d0748bf7ca2022-05-10T13:28:30ZVibrational predissociation in weakly-bound clusters: A dispersed fluorescence study of toluene rare-gas complexesJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:b9191a15-0867-4700-8591-45d0748bf7caEnglishSymplectic Elements at OxfordElsevier2007Da Campo, RMackenzie, S <p style="text-align:justify;"> The vibrational predissociation (VP) dynamics of toluene–Ar and toluene–Ne complexes have been investigated using single vibronic level fluorescence spectroscopy. For several levels, comparison of the dispersed fluorescence spectra with those from monomer levels permits the identification of the final monomer vibrational level. <br/>Pumping of the low-lying S1 <math><mrow is="true"><mover accent="true" is="true"><mrow is="true"><msubsup is="true"><mrow is="true"><mn is="true">13</mn></mrow><mrow is="true"><mn is="true">0</mn></mrow><mrow is="true"><mn is="true">1</mn></mrow></msubsup><mo is="true">/</mo><msubsup is="true"><mrow is="true"><mn is="true">24</mn></mrow><mrow is="true"><mn is="true">0</mn></mrow><mrow is="true"><mn is="true">1</mn></mrow></msubsup><msubsup is="true"><mrow is="true"><mn is="true">25</mn></mrow><mrow is="true"><mn is="true">0</mn></mrow><mrow is="true"><mn is="true">1</mn></mrow></msubsup></mrow><mrow is="true"><mo is="true" stretchy="true">¯</mo></mrow></mover></mrow></math> or <math><mrow is="true"><mover accent="true" is="true"><mrow is="true"><msubsup is="true"><mrow is="true"><mn is="true">37</mn></mrow><mrow is="true"><mn is="true">0</mn></mrow><mrow is="true"><mn is="true">1</mn></mrow></msubsup></mrow><mrow is="true"><mo is="true" stretchy="true">¯</mo></mrow></mover></mrow></math> transitions in toluene–Ar, for example, gives rise to efficient VP leaving the resulting toluene monomer in its vibrationless S1 state. By contrast, in the case of toluene–Ne, VP following <math><mrow is="true"><mover accent="true" is="true"><mrow is="true"><msup is="true"><mrow is="true"><mn is="true">37</mn></mrow><mrow is="true"><mn is="true">1</mn></mrow></msup></mrow><mrow is="true"><mo is="true" stretchy="true">¯</mo></mrow></mover></mrow></math> level pumping leaves the toluene molecule in an excited 16<sup>1</sup> level which is optically inaccessible from the ground state. </p>
spellingShingle Da Campo, R
Mackenzie, S
Vibrational predissociation in weakly-bound clusters: A dispersed fluorescence study of toluene rare-gas complexes
title Vibrational predissociation in weakly-bound clusters: A dispersed fluorescence study of toluene rare-gas complexes
title_full Vibrational predissociation in weakly-bound clusters: A dispersed fluorescence study of toluene rare-gas complexes
title_fullStr Vibrational predissociation in weakly-bound clusters: A dispersed fluorescence study of toluene rare-gas complexes
title_full_unstemmed Vibrational predissociation in weakly-bound clusters: A dispersed fluorescence study of toluene rare-gas complexes
title_short Vibrational predissociation in weakly-bound clusters: A dispersed fluorescence study of toluene rare-gas complexes
title_sort vibrational predissociation in weakly bound clusters a dispersed fluorescence study of toluene rare gas complexes
work_keys_str_mv AT dacampor vibrationalpredissociationinweaklyboundclustersadispersedfluorescencestudyoftolueneraregascomplexes
AT mackenzies vibrationalpredissociationinweaklyboundclustersadispersedfluorescencestudyoftolueneraregascomplexes