The n 5 (A 2u ) and n 7 (E u ) C-F stretching fundamentals of hexafluoroethane, C 2 F 6 , have been recorded in a supersonic jet by diode laser absorption spectroscopy. The parallel 5 1 o band is accompanied by five satellite bands, of which three have been assigned to hot bands. A fourth satellite
Infrared laser spectroscopy of jet-cooled cyclopropane
โ Scribed by P.B. Davies; A.J. Morton-Jones
- Publisher
- Elsevier Science
- Year
- 1984
- Tongue
- English
- Weight
- 308 KB
- Volume
- 107
- Category
- Article
- ISSN
- 0009-2614
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โฆ Synopsis
Rcccivcd '21 i-'ebruJry 1984 The vt t band of cyclupropane bctwecn 850 and 880 cm-' has been recorded in 3 molrcular beam source using ;L tunable infrarrd diode Inscr. The beam from 3 50rm nozzle ~'3s chopped 31 about I kHz and the absorption synchronously dctcctcd. Preliminary analysis yields 3 value of 868X7( I) cm-t for the band ccntrc.
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Free radicals are produced by excimer laser flash photolysis of a suitable precursor inside the nozzle of a pulsed slit jet and cooled by supersonic expansion from the slit. The infrared spectra of the radicals are then probed by a single-frequency colorcenter laser. This technique has been tested o
The infrared spectrum of chromium hexacarbonyl near \(2000 \mathrm{~cm}^{-1}\) has been rotationally resolved by cooling in a supersonic jet. Spectroscopic parameters have been obtained for the weakly perturbed \(\nu_{6}\) carbonyl stretching fundamental of \({ }^{52} \mathrm{Cr}\left({ }^{12} \math
Rovibrational spectra of Hz, HN:, and H30+ generated in discharge jet-expansion have been studied using a differencefrequency infrared source, The rotational temperatures were determined to be 120 i 20,273 + 20 and 150 -f: 20 K for H: , HN$ , and HsO+, respectively. Some dynamic phenomena of the jet