Sub-Doppler spectroscopy of the PH radical: Hyperfine structure in the A [sup 3]Π state

Fitzpatrick, James A. J., Chekhlov, Oleg V., Western, Colin M. and Ashworth, Stephen ORCID: https://orcid.org/0000-0003-4213-3541 (2003) Sub-Doppler spectroscopy of the PH radical: Hyperfine structure in the A [sup 3]Π state. The Journal of Chemical Physics, 118 (10). p. 4539. ISSN 1089-7690

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Abstract

Sub-Doppler spectra of the A?3?–X?3S-(0,0) and (1,0) bands of the PH radical have been recorded using an injection seeded single mode optical parametric oscillator in a supersonic jet expansion. Most of the rotational lines in these laser-induced fluorescence spectra exhibit clear splittings or asymmetry due to hyperfine structure. An analysis of this structure is presented in terms of the electronic structure and bonding of the molecule. Comparisons are drawn with the corresponding A?3? state of the NH radical, and some shortcomings in the accepted methods for interpretation are highlighted and discussed. © 2003 American Institute of Physics.

Item Type:	Article
Faculty \ School:	Faculty of Science > School of Chemistry
UEA Research Groups:	Faculty of Science > Research Groups > Physical and Analytical Chemistry (former - to 2017) Faculty of Science > Research Groups > Centre for Ocean and Atmospheric Sciences
Depositing User:	Rachel Smith
Date Deposited:	10 Feb 2011 15:45
Last Modified:	15 Dec 2022 11:31
URI:	https://ueaeprints.uea.ac.uk/id/eprint/21127
DOI:	10.1063/1.1543946

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