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The High-Resolution ν5 Band of Jet-Cooled Si2F6

✍ Scribed by R.D. Urban; V. Tosa; M. Takami; K. Takeuchi

Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
284 KB
Volume
170
Category
Article
ISSN
0022-2852

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✦ Synopsis

Vibration-rotation spectra of the parallel (v_{5}) band of hexafluorodisilane have been measured in a supersonic free jet with (0.001 \mathrm{~cm}^{-1}) resolution. Three isotopic species, ({ }^{28,28} \mathrm{Si}{2} \mathrm{~F}{6},{ }^{28,29} \mathrm{Si}{2} \mathrm{~F}{6}), and ({ }^{28.30} \mathrm{Si}{2} \mathrm{~F}{6}), have been studied. The effect of internal rotation is not observed, indicating that the splitting is smaller than our spectral resolution. A very weak parallel band observed with a slight red shift from the (v_{5}) fundamental band has been assigned tentatively to the (\left(v_{4}+v_{5}\right)-\nu_{4}) hot band. (c) 1995 Academic Press, Inc.

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