# SURVEY OF $H^{+}_{3}$ TRANSITIONS BETWEEN 3000 AND $4200 CM^{-1}$

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 Title: SURVEY OF $H^{+}_{3}$ TRANSITIONS BETWEEN 3000 AND $4200 CM^{-1}$ Creators: Lindsay, C. Michael; Rade, Ronald M.; Oka, T. Issue Date: 2000 Publisher: Ohio State University Abstract: Most of a large gap in the laboratory ro-vibrational spectrum of $H^{+}_{3}$ around $3800 cm^{-1}$ has been filled using a recently computer controlled color center laser spectrometer which scans between 3000 and $4200 cm^{-1}$. A liquid nitrogen cooled $He/H_{2}$ discharge is used to produce rotationally cool, yet vibrationally hot $H^{+}_{3}$. Variational $calculations^{a}$ predict that roughly 300 new lines from the fundamental, the first overtone, combination, and hot bands may be observable with the sensitivity of our spectrometer. The results of this survey will be reported and compared to the theoretical calculations. Description: $^{a}$J. K. G. Watson, private communication. Author Institution: Department of Chemistry, The University of Chicago; Department of Astronomy and Astrophysics, The University of Chicago; Enrico Fermi Institute, The University of Chicago URI: http://hdl.handle.net/1811/19739 Other Identifiers: 2000-RC-05