Rate constant for the deactivation of O2 (A3Σu+ by N2
✍ Scribed by R.D. Kenner; E.A. Ogryzlo
- Publisher
- Elsevier Science
- Year
- 1983
- Tongue
- English
- Weight
- 301 KB
- Volume
- 103
- Category
- Article
- ISSN
- 0009-2614
No coin nor oath required. For personal study only.
✦ Synopsis
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.
📜 SIMILAR VOLUMES
Quenching of N,(A3ZU+) by 0, 0, N, and
0 2 in the A38: state has been prepared in a discharge flow system by recombining oxygen atoms on a nickel surface. The decay of this excited state was followed by observing the emission between 280 and 400 nm. The wall deactivation was observed to approach unit efficiency. Rate constants were deter
Singlet molecular oxygen, 02('Z,i), is one of the irqportant intermediate species in the atmospheres of Earth, Mars, and Venus. To elucidate the chemistry of this excited molecular oxygen, a series of kinetic measurements have been undertaken using the flow-dischargeioptical-emission technique. By m
N2B3ng, Y = O-2 and N\*a"v;, Y = 0 were produced by pulsed rodiolysis af nitrogen (100-2000 torr) and fo!lowed by fast kinetic absorption spectroscopy in the second and fifth positive system. T!le rate constants for the denctivation of the species by nitrogen were found to be ~N~A,~ = 1.6i + 0.8; 2.
Rate constants for the reaction O(3p)+ O3 (IAI) --, 202 (X 32g ) are reported using variational transition state theory. A semi-empirical potential energy surface based on a double many-body expansion method due to Varandas and Pais is used to obtain transition state information. The computed rate c