Rotational analysis of hydroxyl vibration–rotation emission bands: Molecular constants for OH X2Π, 6 ≤ ν ≤ 10
- 1 January 1982
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Physics
- Vol. 60 (1) , 41-48
- https://doi.org/10.1139/p82-006
Abstract
Seven vibration–rotation emission bands of the hydroxyl radical with 6 ≤ ν′ ≤10 have been recorded photoelectrically in the range λ6250–8500 Å. The first reliable constants for levels 6 ≤ ν ≤10 of OH X2Π are obtained by direct least-squares fitting of the measured line frequencies. The vibrational dependences of the Λ-doubling parameters (p and q) and the spin–orbit coupling constant (A) are well defined. A minimum value of Aν is found at ν = 7.Keywords
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