Determination of the barrier height to CH3CO dissociation

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

doi:10.1016/0009-2614(94)00506-0

Determination of the barrier height to CH₃CO dissociation

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

Chemistry (Twin Cities)

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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 language	English (US)
Pages (from-to)	38-42
Number of pages	5
Journal	Chemical Physics Letters
Volume	224
Issue number	1-2
DOIs	https://doi.org/10.1016/0009-2614(94)00506-0
State	Published - Jul 8 1994

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title = "Determination of the barrier height to CH3CO dissociation",

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.",

author = "Simon North and Blank, {David A.} and Lee, {Yuan T.}",

year = "1994",

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doi = "10.1016/0009-2614(94)00506-0",

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T1 - Determination of the barrier height to CH3CO dissociation

AU - North, Simon

AU - Blank, David A.

AU - Lee, Yuan T.

PY - 1994/7/8

Y1 - 1994/7/8

N2 - 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.

AB - 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.

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U2 - 10.1016/0009-2614(94)00506-0

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VL - 224

SP - 38

EP - 42

JO - Chemical Physics Letters

JF - Chemical Physics Letters

IS - 1-2

ER -

Determination of the barrier height to CH₃CO dissociation

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