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The infrared absorption spectrum of gaseous SF6 has been investigated from 2 to 25μ with prism spectrometers of high resolution. The frequencies of the infrared active fundamentals found by earlier workers have been confirmed with the exception of one, formerly found at 965 cm−1, which is shown to be at 940 cm−1. However, the remainder of the spectrum differs considerably from previous work. With the aid of the Raman data, the observed spectrum has been interpreted in detail.
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Lagemann et al. (1951) studied this question.
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