HIGH RESOLUTION LASER SPECTROSCOPY OF THE TITANIUM MONOHALIDES TiCl AND TiBr

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Title: HIGH RESOLUTION LASER SPECTROSCOPY OF THE TITANIUM MONOHALIDES TiCl AND TiBr
Creators: Adam, A. G.; Hopkins, Scott
Issue Date: 2001
Publisher: Ohio State University
Abstract: High resolution laser spectra of TiCl and TiBr have been taken in the blue region of the spectrum. The titanum monohalide molecules were produced by laser vaporization of a Ti rod followed by reaction with either $CHCl_{3}$ or $CH_{3}Br$ in a pulsed supersonic jet source. The TiCl molecule was recently studied by FT $spectroscopy^{a}$ where the electronic transition was identified as $^{4}\Gamma - ^{4}\Phi$ consistent with that of TiF. In the paper, band-by-band case (c) rotational analyses of the (0,0) $^{4}\Gamma_{5/2} - ^{4}\Phi_{3/2}$, $^{4}\Gamma_{7/2} - ^{4}\Phi_{5/2}$ and $^{4}\Gamma_{9/2}-^{4}\Phi_{7/2}$ subbands were given. The authors observed no subbands which would provide the information crucial to determining the spin-orbit spacing. We have observed this same TiCl electronic transition with our apparatus and report here the observation of the (0,0) $^{4}\Gamma_{5/2} - ^{4}\Phi_{5/2}$ and $^{4}\Gamma_{7/2} - ^{4}\Phi_{7/2}$ subbands, in addition to those given above, and provide a case (a) molecular analysis. The same electronic transition for TiBr has also been recorded. Although the spectrum is much more congested than that of TiCl, we have managed to assign a number of the subbands and are also able to provide a case (a) analysis for this molecule
Description: $^{a}$T. Imajo, D. Wang, K. Tanaka, and T. Tanaka, J. Mol. Spectrosc. 203, 216 (2000).
Author Institution: University of New Brunswick; Department of Chemistry, University of New Brunswick
URI: http://hdl.handle.net/1811/20305
Other Identifiers: 2001-WG-07
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