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Photodissociation of S atom containing amino acid chromophores
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10.1063/1.2761916
/content/aip/journal/jcp/127/6/10.1063/1.2761916
http://aip.metastore.ingenta.com/content/aip/journal/jcp/127/6/10.1063/1.2761916

Figures

Image of FIG. 1.
FIG. 1.

Photofragment ion images from the photodissociation of 3-(methylthio)propylamine at . The ionization wavelength is . For the long delay time, the fast component of has flown out of the detection region.

Image of FIG. 2.
FIG. 2.

Photofragment ion images from the photodissociation of 3-(methylthio)propylamine at . The ionization wavelength is .

Image of FIG. 3.
FIG. 3.

Translational energy distribution of reaction (a) , (b) , (c) , and (d) .

Image of FIG. 4.
FIG. 4.

Photofragment ion images from the photodissociation of cysteamine at . The ionization wavelengths are (a) , (b) , (c) , and (d) .

Image of FIG. 5.
FIG. 5.

Translational energy distribution of reaction (a) and (b) .

Image of FIG. 6.
FIG. 6.

Potential energy curves electronic ground state , the first singlet and triplet states along (a) H–S bond distance of (C–S distance is fixed), (b) C–S bond distance of (H–S distance is fixed), (c) N–H bond distance of ( and distances are fixed), (d) bond distance of ( distance is fixed), and (e) bond distance of ( distance is fixed). Solid lines are the MRCI and energies, where energy was calculated at the optimized geometry. Dashed lines are the MRCI and energies, where energy was calculated at the optimized geometry. Dotted lines are the and energies, calculated by the G3 computational scheme. energy was calculated at the optimized geometry, founded by the method.

Tables

Generic image for table
Table I.

Heats of reaction and dissociation barrier heights (kcal/mol) of related reactions from ab initio calculations.

Generic image for table
Table II.

Branching ratios from RRKM calculations. Only dissociations from the ground electronic state are taken into consideration.

Generic image for table
Table III.

Fragment relative ion intensity at and branching ratios.

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/content/aip/journal/jcp/127/6/10.1063/1.2761916
2007-08-13
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Photodissociation of S atom containing amino acid chromophores
http://aip.metastore.ingenta.com/content/aip/journal/jcp/127/6/10.1063/1.2761916
10.1063/1.2761916
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