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Score: 1.00
Title: Photodissociation dynamics of the 2-propyl radical , C3H7 .
Author: Noller B Fischer I
Journal: J Chem Phys Citation: V : 126 P : 144302 Year: 2007 Type: PubMed-not-MEDLINE
Literature: oryza Field: title Doc ID: pub17444707 Accession (PMID): 17444707
Abstract: The photodissociation of 2-propyl leading to propene+H was investigated with nanosecond time resolution . A supersonic beam of isolated 2-propyl radicals was produced by pyrolysis of 2-bromopopane . The kinetic energy release of the H-atom photofragment was monitored as a function of excitation wavelength by photofragment Doppler spectroscopy via the Lyman-alpha transition . The loss of hydrogen atoms after excitation proceeds in alpha position to the radical center with a rate constant of 5 . 8x10 ( 7 ) s-1 at 254 nm . Approximately 20% of the excess energy is deposited as translation in the H-atom photofragment . In contrast 1-propyl does not lose H atoms to a significant extent . The experimental results are compared to simple Rice-Ramsperger-Kassel-Marcus calculations . The possible reaction pathways are examined in hybrid density functional theory calculations .
Matching Sentences: [ Sen. 1, subscore: 1.00 ]: Photodissociation dynamics of the 2-propyl radical , C3H7 .
Supplemental links/files: reference in endnote online text related articles pubmed citation



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