Abstract
The infrared absorption spectrum of nearly pure CTF/sub 3/ was measured and compared with the fundamental absorption frequencies calculated by using published CHF/sub 3/ and CDF/sub 3/ general harmonic force fields. The agreement between calculated and observed frequencies is found to be satisfactory. On the basis of calculated and measured absorption frequencies, photochemical separation of T from H is very attractive in trifluoromethane when using CO/sub 2/ laser multiple-photon dissociation near the strong CTF/sub 3/ ..nu../sub 2/ band centered at 1077.0 cm/sup -1/. Photochemical separation of both T from H and T from D is attractive when using a CO laser near the strong CTF/sub 3/ ..nu../sub 1/ band centered at 1930.3 cm/sup -1/.
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