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The Fluorescence Excitation Spectrum of HCOB̃2A′–X̃2A′, 000Band

✍ Scribed by Shih-Huang Lee; I-Chia Chen; George W. Adamson; Robert W. Field

Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
525 KB
Volume
182
Category
Article
ISSN
0022-2852

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✦ Synopsis

The rotationally resolved laser-induced fluorescence spectrum of the HCO B ˜2A-X ˜2A transition in the 0 0 0 band is observed under thermalized conditions. The formyl radical is produced from acetaldehyde photolyzed at wavelengths 310 or 308 nm. Some spin-splittings of the spectra are resolved. About 988 transitions to K a £ 3 and N £ 24, Ç94% of the observed lines, are assigned in this work including weak DK a Å {2 transitions that become allowed because of the effects of axis-switching.

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Fluorescence Excitation Spectra of HCO B
Fluorescence Excitation Spectra of HCO B̃̃2A′−X̃2A′ in a Supersonic Jet
✍ Y.J. Shiu; I.C. Chen 📂 Article 📅 1994 🏛 Elsevier Science 🌐 English ⚖ 350 KB

The HCO radical was produced by photolysis of acetaldehyde in a supersonic molecular jet. HCO \(\hat{B}^{2} A^{\prime}-\tilde{X}^{2} A^{\prime}\) transitions were detected by laser-induced fluorescence. Eight vibronic bands were observed that showed both \(a\) - and \(b\)-type transitions, indicatin