The photodissociation of methyl nitrite (CHsONO) at 355 nm in a supersonic free-jet expansion has been studied by stateresolved two-photon laser-induced fluorescence of the NO fragment. The vibrational population distribution of the nascent NO is much colder than reported for the photodissociation o
Photofragmentation of CH3ONO at 355 nm. Energy distribution in the no fragment
โ Scribed by F. Lahmani; C. Lardeux; D. Solgadi
- Publisher
- Elsevier Science
- Year
- 1983
- Tongue
- English
- Weight
- 573 KB
- Volume
- 102
- Category
- Article
- ISSN
- 0009-2614
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โฆ Synopsis
The 355 nm photodissociation of g+wous mctbyl nitrite has been studied by monitoring the nascent NO produet using B tx%o-photon laser-induced fluorescence technique. The nascent vibrational and rotational distributions have been measured: the NO fmgment is produced in four vibrational levels of the Found state (d' = 0. 1.X.3) and the distribution peaks at U" = 1 :a11 these vibrational states are rotationally excited. The NO tr.msLtionnl motion has been ewluated by recording the linewidth of individual rotational lines. The translational energy represents 36% of the aGlsblc energy (Eat, = 11310 cm-11 and the internal energy of the NO fragment is 526% of E,,l_
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The vibrational and rotational stotc distributions as well as the uansbtional energy have been measured fcr the nascent NO fra=nent afrcr photodissociation of dimcthylniuosamine at 363.5 nm. Four differat vibrational smtes (u" = O-3) and rornrion~l transitions with qunnrum numbzrs up IOJ' = 50 were
The photodissociation of methyl hydroperoxide (CHaOOH) has been studied in a molecular beam by photofragment translational spectroscopy. As CH,OOH rapidly decomposes upon contact with metal, a new metal-free molecular beam source was designed, which is also suited to the generation of beam pulses of