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Overtone-induced dissociation and isomerization dynamics of the hydroxymethyl radical (CH2OH and CD2OH). II. Velocity map imaging studies
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10.1063/1.3685899
/content/aip/journal/jcp/136/8/10.1063/1.3685899
http://aip.metastore.ingenta.com/content/aip/journal/jcp/136/8/10.1063/1.3685899

Figures

Image of FIG. 1.
FIG. 1.

Sliced velocity map image obtained by monitoring H fragments from CH2OH dissociation at 13 602 cm−1. The intense outer ring correlates with vibrationless CH2O cofragment. The weak inner rings correspond to CH2 rock, wag, and scissors, and CO stretch excitations in the CH2O.

Image of FIG. 2.
FIG. 2.

Action spectra for CH2OH and CD2OH one-photon dissociation obtained by monitoring H (D) products. Reactions are indicated in the figure. Solid curves show experimental data. Rovibrational band fits are represented by shaded areas (contours) and lines (spectral line positions and intensities), vertically displaced for clarity. See text for details.

Image of FIG. 3.
FIG. 3.

Kinetic energy release distributions in CH2OH and CD2OH one-photon dissociation obtained by monitoring H (D) products. Reactions and excitation energies are indicated in the figure. Origins of vibrational levels of the formaldehyde cofragment (see Table II) are marked by vertical lines. Insets show the lower KER parts with expanded vertical scale.

Tables

Generic image for table
Table I.

Dissociation energies (D 0) determined from kinetic energy distributions of H and D fragments. The confidence intervals include energy calibration and KED fitting uncertainties.

Generic image for table
Table II.

Formaldehyde fragment rovibrational distribution parameters obtained from fitting of H and D cofragment kinetic energy distributions (standard deviations in units of the least significant digit are given in parentheses).

Generic image for table
Table III.

Formaldehyde vibrational populations predicted by the model described in Sec. IV B. Deviations from the experimental values in units of the least significant digit are given in parentheses.

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/content/aip/journal/jcp/136/8/10.1063/1.3685899
2012-02-24
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Overtone-induced dissociation and isomerization dynamics of the hydroxymethyl radical (CH2OH and CD2OH). II. Velocity map imaging studies
http://aip.metastore.ingenta.com/content/aip/journal/jcp/136/8/10.1063/1.3685899
10.1063/1.3685899
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