The rate constant for N,(A, v=O) deactivation by H has been measured by monitoring the decrease in the N,(A, v=O) -+N,(X, v=6) emission when H is added to a flow stream containing N\*(A). The value is found to be 5 x lo-" cm3 s-l, with an uncertainty of z 50%.
Generation and quenching of N2 (A3σ+u) in the photodissociation of CIN3
✍ Scribed by R.D. Coombe; S.J. David; T.L. Henshaw; D.J. May
- Publisher
- Elsevier Science
- Year
- 1985
- Tongue
- English
- Weight
- 302 KB
- Volume
- 120
- Category
- Article
- ISSN
- 0009-2614
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✦ Synopsis
The lime decay of N,(AjI: ) produced by pulsed phololysls of GIN, a1 193 nm erhlblls I~O componenls a fasi decay correspondmg IO pseudo-firsl-order quenchmg by GIN, and a much slouer decal correspondmg IO a chain process In which N?(A'Z; ) IS regenerated The iale conslanl for N,(A'T;
) qurnchng by GIN, IS (5 6kO 6)x10-" cm' s-' Tbc quanlum yield ror producrlon of N2(A3Z:
📜 SIMILAR VOLUMES
Quenching of N,(A3ZU+) by 0, 0, N, and
A vaIue of (9.3 = 1.7) X IO-\*\* cm3 molecule-' s-' has been determined as the rate constant for the quenchinp ai Op(A 3ZG) by N2 at 25OC.
\(\mathrm{S}_{2}\) was generated by photodissociation of \(\mathrm{S}_{2} \mathrm{Cl}_{2}\) and the \(B^{3} \Sigma_{u}^{-}\)state was investigated for \(v^{\prime}=\) \(0 . .8\) by laser excitation spectroscopy from the ground state. Bands were detected and assigned up to rotational levels \(N^{\pri
L@t rnoasurcments made during the afterglow oi pure nitrogen and helium-nitrogen mixtures indicate that mutual collisions of the N?(A 'XL) molecule are responsible for the formation of the Nz(C3n,) and Nz(C?nu) states. Results for the latter state arc in agreement with other workers. A value for th