Rate cocfticicnts for the collisiona! quenching of Of (' a,) by NO and CO, at 2-8 torr and 300 K have been determined. X-NO = (2.48 t 0.23) X lo-" cm3 moleculc~' s-' anzkCOz = (2.56 5 0.12) X IO-" cm3 moleculc~ s-l.
Vibration excitation of no in its collisional quenching of O2 (1▵g)
✍ Scribed by E.A. Ogryzlo; B.A. Thrush
- Publisher
- Elsevier Science
- Year
- 1973
- Tongue
- English
- Weight
- 193 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0009-2614
No coin nor oath required. For personal study only.
✦ Synopsis
of [Oz(lA,)] 141. Consequently, any molecule cxcited by O,( 'Zi) would have a vibrationaf popufa-
📜 SIMILAR VOLUMES
Relaxation rates for 02('&+) by nonradiative pathways have been determined using the fast-flow technique. 02 ('\3,+) is formed from 0 2 ( l A g ! by an energy pooling process. 02('AK) is generated by passing purified oxygen through a microwave discharge. Oxygen atoms are removed by distilling mercur
roughly4 x10-19 a room temperature rate constant of 2.2 f 0.5 L: 10-18 cm3 molec-1 se~-~ by 02 and cm3 molec-1 set-1 by dry air. Deactivation by N2 proceeds at least an order of magnihrde more slowly.
The infrared emission observed from Hz0 or Co, when added to discharged oxygen containing Oz(r Zg> and C&(lA ) is shown to arise from their vibrational excitation in the quenching of Oz(\* $'). There was no ev&nce that O$'X> is quenched to the ground state rather than to the ' 4 state.
The rate of CoLlisional quenching or I(5p' \*P ,,$ by I2 has been determined u&g time-resolved atomic absorption spectroscopy following tunable laser photoiysis of molecular iodine as (3.6 + 0.3) X 10-l' cm3 mole&k-' s-l. Disaepancies between this and earlier results are discussed.