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Fourier-transform infrared spectroscopy of the NO3 radical

โœ Scribed by Kentarou Kawaguchi; Takashi Ishiwata; Ikuzo Tanaka; Eizi Hirota

Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
412 KB
Volume
180
Category
Article
ISSN
0009-2614

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โœฆ Synopsis

The infrared spectrum of NO3 was observed in the 1300-2800 cm-' region by a high-resolution FT-IR spectrometer using the reaction of F atoms with HNOI. Three *E2A; bands were newly observed in the 1927,2024, and 2 155 cm-' region in addition to the 1492, 2518, and 2585 cm-' bands observed previously by a diode-laser system. The 2024 and 2 155 cm-' bands were analyzed by using a Da,, Hamiltonian to derive molecular constants. It was found that the obtained spin-orbit and Coriolis coupling constants in the %' states are very different for different vibronic states. The vibronic assignments of these bands are discussed.

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