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Title:FINE AND HYPERFINE ANALYSIS OF RUTHENIUM MONOBORIDE ISOTOPOLOGUES.
Author(s):Dore, Jacob M
Contributor(s):Tokaryk, Dennis W.; Linton, Colan ; Adam, Allan G.
Subject(s):Small molecules
Abstract:Using diborane, \chem{B_2H_6}, as a reactant gas and ruthenium as the target metal in the UNB laser ablation molecular jet apparatus, ruthenium monoboride molecules have been detected using laser-induced fluorescence spectroscopy. The [18.4]2.5-X$^{2}$$\Delta$$_{5/2}$ electronic transition of RuB has been observed previously at pulsed-dye laser resolution\footnote{Wang, N., Ng, Y. W. and Cheung, A. S. Chem. Phys. Lett. 547, 21-23 (2012).}. Three vibronic bands were rotationally analyzed and designated as the (1-0), (0-0) and (0-1) bands, but only the Ru$^{11}$B and Ru$^{10}$B isotopologues were resolved. Ruthenium has 7 naturally occurring isotopes ranging from 1.87\% to 31.55\% abundance, giving a total combination of 14 isotopologues for RuB. Using our cw-ring dye laser, the three vibronic bands were recorded at high resolution and 12 of the isotopologues have been rotationally analyzed. Both of the odd isotopes of Ru have a nuclear spin I=5/2 and their respective isotopologues had resolved hyperfine structure which was analyzed to extract the hyperfine parameters. It was determined that the hyperfine interaction arises from the nuclear spin of the $^{101}$Ru and $^{99}$Ru atoms and not from the boron nucleus.
Issue Date:2019-06-18
Publisher:International Symposium on Molecular Spectroscopy
Genre:Conference Paper / Presentation
Type:Text
Language:English
URI:http://hdl.handle.net/2142/104242
DOI:10.15278/isms.2019.TI03
Rights Information:Copyright 2019 Jacob M Dore
Date Available in IDEALS:2019-07-15
2020-01-25


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