# THE TORSIONAL GROUND STATE HOT BANDS OF $\nu_{9}$ OF ETHANE

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 Title: THE TORSIONAL GROUND STATE HOT BANDS OF $\nu_{9}$ OF ETHANE Creators: Blass, W. E.; Halsey, G. W.; Atakan, A. A.; Jennings, D. E.; Reuter, D. C.; Susskind, S. Issue Date: 1984 Publisher: Ohio State University Abstract: Extensive diode laser and Fourier transform spectra of ethane have been recorded in the $\nu_{9}$ region. The torsional ground state hot band, $\nu_{9}+\nu_{4}-\nu_{4}$, has been assigned for the first time. The parameters $B_{4}, D^{J}_{4}$, and $D^{JK}_{4}$, have been determined from ground state combination differences. The analysis of $\nu_{9}+\nu_{4}-\nu_{4}$ includes the torsion-Coriolis interaction with $4 \nu_{4}$. A partial analysis of the second $\nu_{9}$ torsional hot band, $\nu_{9}+2\nu_{4}-2\nu_{4}$, will also be presented. Description: $^{\ast}$NRC Resident Research Associate Author Institution: Department of Physics and Astronomy, University of Tennessee; NASA, Goddard Space Flight Center, University of Tennessee URI: http://hdl.handle.net/1811/16556 Other Identifiers: 1984-FA-12