Abstract
The infrared spectrum of gaseous CF3–CF2Br has been obtained with a Perkin-Elmer double-pass spectrometer equipped with CsBr, NaCl, and LiF prisms. The Raman spectrum of the liquid has been photographed with a 3-prism glass spectrograph of reciprocal linear dispersion 15 A/mm at 4358 A. 17 vibrational fundamentals have been assigned as follows: Species a′: 1339, 1240, 1124, 949, 754, 634, 547, 370, 329, ca 297, and ca 167 cm—1; species a″: ca 1240, 1182, 591, 440, ca 297, and ca 152 cm—1. The torsional fundamental, which undoubtedly lies below 150 cm—1, could not be determined. The spectra have been interpreted in detail.
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