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Title:HIGH RESOLUTION SPECTROSCOPY OF THE [18.2]1.5 - X2∆3/2 TRANSITION OF THORIUM MONOCHLORIDE, ThCl.
Author(s):Linton, Colan
Contributor(s):Steimle, Timothy; Nguyen, Duc-Trung
Subject(s):Metal containing
Abstract:A systematic experimental and theoretical studies of simple Ac and Ln containing molecules is one avenue for garnering insight into element-specific ligation\footnote{Heaven, M. C.; Barker, B. J.; Antonov, I. O., Spectroscopy and Structure of the Simplest Actinide Bonds. J. Phys. Chem. A 2014, 118 (46), 10867-10881.}. Here we report on the high resolution ($\sim$30 MHz) laser induced fluorescence (LIF) spectra of supersonic cooled molecular beam of ThCl produces in the reaction of laser ablated Th with an Ar/CCl$_{4}$ mixture. The present work builds on the recent LIF, dispersed fluorescence, and REMPI study of the Heaven and Peterson groups\footnote{Van Gundy, R. A.; Bartlett, J. H.; Heaven, M. C.; Battey, S. R.; Peterson, K. A., Spectroscopic and theoretical studies of ThCl and ThCl$^{+}$. J. Chem. Phys. 2017, 146 (5), 054307/1-054307/8.}. Analysis of a band near 550 nm has been assigned as the [18.2]1.5-X$^{2}$$\Pi$$_{3/2}$transition. Observed doubling the lines has shown to be caused $\Omega$-doubling in the upper state. No $^{35}$Cl(I=3/2) hyperfine splitting was observed. Progress on recording the electric dipole moments and magnetic g-factors will be reported. Interpretation of the spectrum is based, in part, upon previously published electronic structure prediction and a simple molecular orbital correlation diagram.
Issue Date:06/20/18
Publisher:International Symposium on Molecular Spectroscopy
Citation Info:APS
Genre:Conference Paper / Presentation
Type:Text
Language:English
URI:http://hdl.handle.net/2142/100685
DOI:10.15278/isms.2018.WF09
Other Identifier(s):WF09
Date Available in IDEALS:2018-08-17
2018-12-12


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