PMID: 9446774Feb 3, 1998Paper

The Electronic Spectrum of Gaseous CoO in the Visible Region

Journal of Molecular Spectroscopy
M BarnesS J Rixon

Abstract

Laser excitation spectra of gaseous CoO have been recorded using Doppler-limited intracavity spectroscopy and supersonic jet-cooled molecular beam methods. As seen in the molecular beam spectra there are nearly 100 bands arising from the X4Delta7/2 spin component of the ground state in the wavelength region 430-720 nm. All of them are very strongly red-degraded and most of them are perturbed. 59Co hyperfine broadenings or splittings have been observed in many. The bands can be arranged into five electronic transitions, together with a considerable number of "extra" bands induced by perturbations; two of the excited electronic states are 4Phi, while the other three, which lie within 1700 cm-1, are 4Delta. Semi-empirical calculations have been carried out for the 4Delta excited states, using exchange integrals transferred from the TiO and VO spectra; the predicted energies, spin-orbit structures, and relative intensities in absorption are consistent with the assignment of all three 4Delta states to the same electron configuration, (4ssigma)1(3ddelta)3(3dpi)2(3dsigma)1. It seems that there are extensive interactions between the excited 4Delta states, because only one of them gives rise to a recognizable, though irregular, long vib...Continue Reading

Citations

Apr 5, 2014·The Journal of Chemical Physics·Xiujuan Zhuang, Timothy C Steimle
Mar 12, 2009·The Journal of Chemical Physics·Bingbing SuoZhenyi Wen
Nov 5, 2005·The Journal of Chemical Physics·M A FloryL M Ziurys
Aug 17, 2012·The Journal of Chemical Physics·Chengbing QinTimothy C Steimle
Dec 5, 2012·The Journal of Chemical Physics·Jianzheng ZangYang Chen
Feb 4, 2006·Applied Spectroscopy·Daniel A BurgardDonald H Stedman
Jul 15, 2006·The Journal of Physical Chemistry. a·Delphine DansetLaurent Manceron
Jun 20, 2012·The Journal of Physical Chemistry. a·Constantine N Sakellaris, Aristides Mavridis
Sep 28, 2017·Journal of Chemical Theory and Computation·Yuri A AotoAntonio G S de Oliveira-Filho

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