We report the extension of the collisional cooling technique from the microwave region into the infrared. This technique permits the gas phase spectra of molecules to be recorded at liquid helium temperatures. As a test of the utility of this technique for the infrared. we have observed the \(R(0),
Raman spectroscopy of NO2N2O4 in the gas phase using near-infrared excitation
β Scribed by Chris Dyer; Patrick J. Hendra
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 454 KB
- Volume
- 233
- Category
- Article
- ISSN
- 0009-2614
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β¦ Synopsis
Fourier transform (FT) Raman techniques have been employed to collect gas-phase Raman spectra from the N,O, dimer with near-infrared excitation at 1.0641 pm. The spectra present several points of interest concerning trace NO, species, the physical chemistry of dimer dissociation to monomeric NO*, and the nature of the scattering at this excitation wavelength.
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Time-resolved atomic absorption spectroscopy in the vacuum ultraviolet has been employed to monitor electronically excited oxygen atoms, 0(2\*D2), following their generation by the flash photolysis of ozone in the Hartley band region. We report the first values for the absolute second-order rate con