Pressure broadening of rotational transitions in the nitric oxide fundamental band was studied using Fourier transform spectroscopy. Rotational level dependent broadening coefficients were determined for both the 2 1/2 and 2 3/2 substates at 300 K using the five noble gases as the broadening species
The NO Vibrational Fundamental Band: O2-Broadening Coefficients
โ Scribed by C. Chackerian Jr.; R.S. Freedman; L.P. Giver; L.R. Brown
- Publisher
- Elsevier Science
- Year
- 1998
- Tongue
- English
- Weight
- 144 KB
- Volume
- 192
- Category
- Article
- ISSN
- 0022-2852
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โฆ Synopsis
The first measurements of O 2 broadening of NO lines is reported. For the NO fundamental vibration-rotation band, polynomial representations for this broadening at 299 K are given for โ ฯญ 3 2 and โ ฯญ
1 2 e and f transitions, respectively:
f อ|m|อ ฯญ 0.06515 ฯช 0.00381|m| ฯฉ 0.000271|m| 2 ฯช 0.00000665|m| 3 , and
These broadening coefficients are on the order of 17% smaller than the comparable coefficients found for N 2 broadening of NO.
๐ SIMILAR VOLUMES
We report measured N 2 -broadening coefficients, g(T), of approximately 70 transitions of the ground electronic state fundamental vibration-rotation band (ยฃ ร 1 R 0) of NO at 183, 213, and 296 K. In addition to the broadening asymmetry previously observed between the 2 P 3/2 and 2 P 1/2 state transi
O 2 -broadening coefficients have been measured for 29 lines of 12 CH 3 D in the Q P and Q R branches of the n 3 band, using a tunable diode-laser spectrometer. The collisional widths obtained by fitting Rautian profiles to the measured shapes of the lines are significantly larger than those derived
\(\mathrm{O}_{2}\)-broadening coefficients have been measured for 19 lines ( with \(J\) values ranging from 3 to 46 and \(\mathrm{K}\) up to 11 ) of \(\mathrm{CH}_{3}{ }^{35} \mathrm{Cl}\) in the \(P\) and \(R\) branches of the \(\nu_{3}\) parallel-type band. These lines. located in the spectral ran