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 Title: Deperturbation studies of d 3∆ - a 3Π transition of CS molecule Author(s): Sunanda, K Contributor(s): Kawaguchi, Kentarou; Saksena, Madhav Das; Deo, M N Subject(s): Small molecules Abstract: The F. T. Spectrum of CS molecule was recorded with Bruker IFS 120 HR spectrometer at a spectral resolution of 0.03 cm$^{-1}$ using liquid nitrogen cooled InSb detector in the region 10500 - 1800 cm$^{-1}$. Intense spectrum of CS radical was excited by DC discharge of mixture of CS$_{2}$ (120 mTorr) and He (2 Torr) in flowing condition. Two hours integration time was used for obtaining a good S/N ratio. The recorded spectrum is more intense compared to previous studies, therefore, it has been possible to excite lower values of v’ and v’’ for the d $^{3}$$\Delta$$_{i}$ - a $^{3}$$\Pi$$_{r}$ transition. The bands of three sub-systems occur with varying intensity. The following bands have been rotationally analysed, viz. 1-0, 2-1, 3-2 ( d $^{3}$$\Delta$$_{3}$ - a $^{3}$$\Pi$$_{2}$); 2-0, 3-1, 4-2 ( d $^{3}$$\Delta$$_{2}$ - a $^{3}$$\Pi$$_{1}$); and 1-1, 3-3 ( d $^{3}$$\Delta$$_{1}$ - a $^{3}$$\Pi$$_{0}$). The d $^{3}$$\Delta$$_{i}$ is state is highly perturbed. Using a deperturbation program PGOPHER (C. M. Western, Univ. of Bristol) the molecular constants of the two states have been derived. Issue Date: 2014-06-16 Publisher: International Symposium on Molecular Spectroscopy Citation Info: Sunanda, K.; Kawaguchi, K.; Saksena, M.D.; Deo, M.N. DEPERTURBATION STUDIES OF d 3∆ - a 3Π TRANSITION OF CS MOLECULE. Proceedings of the International Symposium on Molecular Spectroscopy, Urbana, IL, June 16-21, 2014. DOI: 10.15278/isms.2014.MG06 Genre: CONFERENCE PAPER/PRESENTATION Type: Text Language: English URI: http://hdl.handle.net/2142/50931 DOI: https://doi.org/10.15278/isms.2014.MG06 Rights Information: Copyright 2014 by the authors. Licensed under a Creative Commons Attribution 4.0 International License. http://creativecommons.org/licenses/by/4.0/ Date Available in IDEALS: 2014-09-172015-04-14
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