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| Titel: |
Mode-selective decay dynamics of the ortho-H2—OH complex: experiment and theory |
| Auteur: |
WHEELER, MARTYN D. ANDERSON, DAVID T. TODD, MICHAEL W. LESTER, MARSHA I. KRAUSE, PAUL J. CLARY, DAVID C. |
| Verschenen in: |
Molecular physics |
| Paginering: | Jaargang 97 (1999) nr. 1-2 pagina's 151-158 |
| Jaar: |
1999-07-20 |
| Inhoud: |
The predissociation dynamics of ortho-H2—OH in its ground electronic state are studied in time-resolved experiments and quantum mechanical calculations. The experiments use stimulated Raman and infrared overtone pumping to excite the νH2 = 1 or νOH = 2 vibrational states of the complex. The appearance of the OH X 2Π products is monitored as a function of time. Vibrational predissociation lifetimes and rotational product distributions are calculated in full dimensionality with a time-dependent wavepacket technique using a potential energy surface derived from high quality ab initio calculations. Both experiment and theory give predissociation lifetimes for νH2 = 1 that are an order of magnitude shorter than those for νOH = 2, and only a small number of OH rotational product states are found to be populated. The possibility of inducing chemical reaction via initial vibrational excitation of H2—OH is discussed. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 36 van 66 gevonden artikelen
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