1887
banner image
No data available.
Please log in to see this content.
You have no subscription access to this content.
No metrics data to plot.
The attempt to load metrics for this article has failed.
The attempt to plot a graph for these metrics has failed.
Photodissociation and photoisomerization of -fluorotoluene and 4-fluorotoluene in a molecular beam
Rent:
Rent this article for
USD
10.1063/1.2219445
/content/aip/journal/jcp/125/13/10.1063/1.2219445
http://aip.metastore.ingenta.com/content/aip/journal/jcp/125/13/10.1063/1.2219445

Figures

Image of FIG. 1.
FIG. 1.

A schematic diagram of the multimass ion imaging detection system: (1) nozzle; (2) molecular beam; (3) photolysis laser beam; (4) vuv laser beam, which is perpendicular to the plane of the paper; (5) ion extraction plates; (6) mass spectrometer; [(7), (8), and (9)] simulation trajectories of , 14, and 12; and (10) 2D ion detector, where the axis is the mass axis and the axis (perpendicular to the plane of the paper) is the velocity axis.

Image of FIG. 2.
FIG. 2.

4-fluorotoluene photofragment ion image obtained from photolysis at and photoionization at . Image of is a isotopomer of . Images and 88 are due to multiphoton absorption, and is a mass indicator. The delay times between pump and probe laser pulses are (a) , (b) , (c) .

Image of FIG. 3.
FIG. 3.

Photofragment total translational energy distribution at for (a) , (b) , (c) , and (d) . The solid squares are from vuv multimass ion image and the open squares are from electron impact ionization.

Image of FIG. 4.
FIG. 4.

The product growths of 4-fluorotoluene with respect to the delay time between the pump and probe laser pulses at . Dissociation rate was obtained from the fit of the experimental data (solid squares) to (solid line).

Image of FIG. 5.
FIG. 5.

-fluorotoluene photofragment ion image obtained from the photolysis wavelength at and the photoionization vuv wavelength at . The delay times between pump and probe laser pulses are (a) are (b) .

Image of FIG. 6.
FIG. 6.

Photofragment total translational energy distributions at for (a) , (b) , (c) , and (d) .

Image of FIG. 7.
FIG. 7.

-fluorotoluene photofragment ion image obtained from photolysis wavelength at and photoionization at .

Image of FIG. 8.
FIG. 8.

Photofragment total translational energy distributions at for (a) and (b) .

Image of FIG. 9.
FIG. 9.

The product growths of -fluorotoluene with respect to the delay time between the pump and probe laser pulses at (a) and (b) . Dissociation rate was obtained from the fit of the experimental data (solid squares) to (solid line). Note that the scales in the delay time are different in (a) and (b).

Image of FIG. 10.
FIG. 10.

-fluorotoluene photofragment ion image obtained from the photolysis wavelength at and the photoionization vuv wavelength at . The delay time between pump and probe laser pulses is .

Image of FIG. 11.
FIG. 11.

Potential energy diagram of and obtained from calculation. The energies shown are computed at the B3LYP/aug-cc-pVTZ at the geometry optimized by . Reaction pathways without isomerization to the seven-membered ring are the pathways toward the outside of the figure, while reaction pathways that proceed via the seven-membered ring are toward the inside of the figure.

Tables

Generic image for table
Table I.

Fragment ion intensities obtained at the ionization wavelength of . The intensities of each ion -fluorotoluene seven-membered ring have been normalized to the ion intensity of .

Loading

Article metrics loading...

/content/aip/journal/jcp/125/13/10.1063/1.2219445
2006-10-02
2014-04-24
Loading

Full text loading...

This is a required field
Please enter a valid email address
752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Photodissociation and photoisomerization of α-fluorotoluene and 4-fluorotoluene in a molecular beam
http://aip.metastore.ingenta.com/content/aip/journal/jcp/125/13/10.1063/1.2219445
10.1063/1.2219445
SEARCH_EXPAND_ITEM