# FAR INFRARED SPECTRA OF SOLID METHYL $HALIDES^{*}$

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 Title: FAR INFRARED SPECTRA OF SOLID METHYL $HALIDES^{*}$ Creators: Lafferty, W. J.; Robinson, Dean W. Issue Date: 1961 Publisher: Ohio State University Abstract: The infrared spectra of methyl halides condensed rapidly from the vapor onto a window held at liquid nitrogen temperature have been examined from 30 to $130 cm^{-1}$. Two sharp bands are found for each compound which are interpreted as arising from the A- and B- axis librational modes of molecules on the $C_{n}$ crystal sites. Effects of correlation interaction are absent. The behavior of the spectra upon annealing of the deposits will be discussed and interpreted on the basis of possible structures of the rapidly rapidly condensed samples. Description: $^{*}$Supported by the Office of Scientific Research, United States Air Force. Author Institution: Department of Chemistry, The Johns Hopkins University URI: http://hdl.handle.net/1811/8063 Other Identifiers: 1961-D-8