Issue 8, 2002
From the journal:

Physical Chemistry Chemical Physics

The vacuum ultraviolet laser excitation spectra for free ion-pair (X+ + Y−) formation from jet-cooled I2 and ICl

Kenneth P. Lawley,a   Alexander C. Flexen,a   Robert R. J. Maier,†a   Andreas Manck,a   Trevor Ridley*a  and  Robert J. Donovana  

* Corresponding authors

a Department of Chemistry, The University of Edinburgh, West Mains Road, Edinburgh, Scotland, UK

Abstract

The energy difference between the threshold for free ion-pair formation (X+ + Y−) and the molecular ionization energy (XY+) is relatively large in I2 and ICl. Photodissociation to free ion-pairs in this energy region has been probed by vacuum ultraviolet laser radiation generated by four-wave mixing. The negative ion excitation spectra are highly structured and closely follow the one-photon absorption cross-sections. Several Rydberg series are identified, the f series being particularly prominent. Direct absorption to the free ion-pair continuum is negligible in this region and all of the Rydberg states that are accessed act as efficient doorway states to ion-pair production.

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Article information

DOI
https://doi.org/10.1039/B109558G
Article type
Paper
Submitted
19 Oct 2001
Accepted
14 Jan 2002
First published
21 Mar 2002

Phys. Chem. Chem. Phys., 2002,4, 1412-1418

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The vacuum ultraviolet laser excitation spectra for free ion-pair (X+ + Y−) formation from jet-cooled I2 and ICl

K. P. Lawley, A. C. Flexen, R. R. J. Maier, A. Manck, T. Ridley and R. J. Donovan, Phys. Chem. Chem. Phys., 2002, 4, 1412 DOI: 10.1039/B109558G

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