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High resolution laser induced fluorescence spectroscopy of the [18.8] (3)Phi(i)-X (3)Phi(i) (0,0) band of cobalt monofluoride

TitleHigh resolution laser induced fluorescence spectroscopy of the [18.8] (3)Phi(i)-X (3)Phi(i) (0,0) band of cobalt monofluoride
Publication TypeJournal Article
Year of Publication2006
AuthorsSteimle, TC, Ma, TM, Adam, AG, Hamilton, WD, Merer, AJ
JournalJournal of Chemical Physics
Volume125
Pagination9
Date PublishedAug
Type of ArticleArticle
ISBN Number0021-9606
KeywordsALTERNATING COPOLYMERIZATION, CARBON-DIOXIDE, COF, COMPLEXES, ELECTRONIC-SPECTRUM, GROUND-STATE, HYPERFINE-STRUCTURE, PARAMETERS, PROPYLENE-OXIDE, TRANSITION-METAL
Abstract

The fine and hyperfine interaction parameters in the [18.8] (3)Phi (upsilon=0) and X (3)Phi (upsilon=0) states of cobalt monofluoride, CoF, have been determined from an analysis of high-resolution laser induced fluorescence spectra of the [18.8] (3)Phi(3)-X (3)Phi(3) and [18.8] (3)Phi(4)-X (3)Phi(4) band systems. The previously reported pure rotational transitions of the X (3)Phi(4)(upsilon=0) state [T. Okabayashi and M. Tanimoto, J. Mol. Spectrosc. 221, 149 (2003)] were included in the data set. The hyperfine parameters for Co-59 (I=7/2) and F-19 (I=1/2) have been interpreted using atomic data together with a proposed molecular orbital description for the [18.8](3)Phi(i) and X (3)Phi(i) states. A comparison of the hyperfine parameters in the X (3)Phi state of cobalt monohydride, CoH, with those of the X (3)Phi state of CoF reveals that the bonding in the two molecules is significantly different. It is shown that, in a situation where the Omega substates of a multiplet degenerate electronic state are analyzed separately, the Fermi contact parameter b can be determined with fair accuracy from the apparent centrifugal distortion of the hyperfine structure. (c) 2006 American Institute of Physics.

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