Fluorescence lifetimes of NO B 'lI I,z( v' = 7) and B zH,,2(v' =7)-C -?I (v' = 0) mixed states were measured in a free jet using pulsed tunable VUV laser light. The measured lifetimes ofthe B 'II I,z state were 389 and 423 ns for J' =OS and 1.5, respectively. It was found that lifetimes of the mixed
No (B 2Π, C 2Π) rotational energy levels near the first dissociation limit
✍ Scribed by G.E. Gadd; T.G. Slanger
- Publisher
- Elsevier Science
- Year
- 1990
- Tongue
- English
- Weight
- 268 KB
- Volume
- 169
- Category
- Article
- ISSN
- 0009-2614
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✦ Synopsis
Excitation spectra have been taken near 191 nm of the intermixed C-X O-O and B-X 7-O transitions in NO. The relative positions of rotational lines of the two bands have been measured, and compared with tabulations in the literature. As a result, the absolute level positions can be specified with +_ 0.1 cm-' accuracy.
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The two lowest potential energy surfaces for C(3p)+ NO(2II) have been investigated. The stationary points were first located using CASSCF gradient calculations and the geometries reoptimized using complete active space second-order perturbation theory. Zero-point corrections have been included in th