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 Title: Identification of two new electronic states of NiCL using intracavity laser spectroscopy and the correlation between theoretical predictions and experimental observations Author(s): Harms, Jack C. Contributor(s): O'Brien, James J.; O'Brien, Leah C.; Han, Shu; Grames, Ethan M. Subject(s): Small molecules Abstract: The near-infrared spectrum of NiCl has been recorded in high resolution in the 13,200-13,500 \wn and 13,600-13,750 \wn regions using Intracavity Laser Spectroscopy (ILS). The NiCl Molecules were produced in the plasma discharge of a Ni-lined copper hollow cathode with 0.3-0.6 torr of argon as the sputter gas, and a trace amount of \chem{CCl_4}. The hollow cathode was located within the laser cavity of a Verdi V-10 pumped Ti:sapphire system. A generation of 90 $\mu$sec resulted in an effective pathlength of approximately 700 m for the absorption measurements. Several transitions were observed, including 3 transitions involving 2 previously unreported electronic states. The (0,0) and (1,0) bands of the [13.5] $^{2}$$\Phi$$_{7/2}$-[0.16] A $^{2}$$\Delta$$_{5/2}$ transition were observed near 13,709 \wn and 13,318 \wn, respectively. The (0,0) band of the [13.8] $^{2}$$\Pi$$_{1/2}$ - [0.38] X $^{2}$$\Pi$$_{1/2}$ transition was observed near 13,480 \wn. With the analysis of these transitions, molecular constants have been obtained for 9 of the 12 doublet states of NiCl predicted by Zou and Lou in 2006. Analysis of these transitions and a comparison between the experimentally observed transitions and the theoretically predicted states of NiCl will be presented. Issue Date: 2016-06-22 Publisher: International Symposium on Molecular Spectroscopy Genre: Conference Paper/Presentation Type: Text Language: En URI: http://hdl.handle.net/2142/91357 Rights Information: Copyright 2016 by the authors Date Available in IDEALS: 2017-01-26
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