Hydrogen atom transfer in indole clusters: formation dynamics of , n = 1-6, fragments |
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| Authors: | H. Lippert V. Stert L. Hesse C.P. Schulz W. Radloff I.V. Hertel |
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| Affiliation: | (1) Max-Born-Institut für Nichtlineare Optik und Kurzzeitspektroskopie, Max-Born-Str. 2A, 12489 Berlin-Adlershof, Germany, DE |
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| Abstract: | ![]()
The H atom transfer reaction in electronically excited indole(NH 3 ) n clusters is studied in pump-probe experiments with femtosecond laser pulses. By applying different probe photon energies we are able to detect the dissociation products (NH 3 ) n - 1 NH 4 for n = 1-6. Furthermore we show that the analysis of the corresponding ion signals is not distorted by contributions from larger cluster ions due to evaporation of NH 3 molecules. The formation times of the products are ca. 140ps for n = 2-4 and about 80ps for n = 5, 6. Received 30 April 2002 / Received in final form 29 May 2002 Published online 13 September 2002 |
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| Keywords: | PACS. 82.53.Ps Femtosecond probing of biological molecules – 36.40.-c Atomic and molecular clusters – 82.30.Rs Hydrogen bonding, hydrophilic effects |
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