Determination of the barrier height to CH3CO dissociation

Simon North, David A. Blank, Yuan T. Lee

Research output: Contribution to journalArticlepeer-review

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Abstract

The photodissociation of acetyl chloride at 248 nm has been investigated by the technique of photofragment translational spectroscopy. A comparison of the transitional energy distributions required to fit the chlorine atom and the acetyl radical indicates that a significant fraction (≈ 35%) of the CH3CO fragments undergo secondary decomposition to CH3 and CO. From analysis of the center-of-mass translational energy distributions a value of 17 ± 1 kcal/mol for the barrier height to acetyl radical dissociation has been determined.

Original languageEnglish (US)
Pages (from-to)38-42
Number of pages5
JournalChemical Physics Letters
Volume224
Issue number1-2
DOIs
StatePublished - Jul 8 1994

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