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Details van artikel 27 van 38 gevonden artikelen
| Titel: |
Propensity towards H photofragments in the photodissociation of CD3NH2 pre-excited to the first N-H stretch overtone |
| Auteur: |
Marom, Ran Zecharia, Uzi Rosenwaks, Salman Bar, Ilana |
| Verschenen in: |
Molecular physics |
| Paginering: | Jaargang 106 (2008) nr. 2-4 pagina's 213-222 |
| Jaar: |
2008-01 |
| Inhoud: |
Vibrationally mediated photodissociation combined with (2 + 1) resonantly enhanced multiphoton ionization detection of H and D photoproducts was used to assess selective bond fission in partially deuterated methylamine, CD3NH2. Jet-cooled action spectra and Doppler profiles of the H and D photofragments were obtained via ∼243.1 nm photodissociation of the parent containing two quanta of N-H stretch excitation. The multiband action spectra indicate that the energy flow out of the initially prepared N-H stretch to the bath states is on a picosecond time scale and that the 2v10 state (antisymmetric N-H stretch) is longer lived than the other states. Although the specificity attained by N-H stretch excitation was lost, the photofragment yield of H was nine times higher than that of D, indicating preferential N-H bond fission due to lower transition states on the excited [image omitted] state surface. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 27 van 38 gevonden artikelen
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