Structural Chemistry

, Volume 24, Issue 4, pp 1265–1272 | Cite as

Fluorescence excitation spectra and exited state dynamics of jet-cooled oxalyl halides

  • Dmitry V. Maslov
  • Vladimir A. Povedailo
  • Dmitry L. Yakovlev
  • Igor A. GodunovEmail author
Original Research


We have observed the \( {\tilde{\text{A}}}^{1} {\text{A}}_{\text{u}} \leftarrow {\tilde{\text{X}}}^{ 1} {\text{A}}_{\text{g}} \) fluorescence excitation spectra of jet-cooled oxalyl halides, (COR)2, where R = F, Cl, and compared them with corresponding gas-phase absorption spectra obtained earlier. As a result, we have found some peculiarities of the excited state dynamics of the molecules under study: high effective fluorescence for oxalyl fluoride molecules excited to the single vibronic levels of b g symmetry and high efficiency of radiationless transitions for molecules excited to the single vibronic levels of a g symmetry. For oxalyl chloride, it has been found very intensive 7 0 2 8 1 0 (but not 8 0 1 or 8 1 1 ) hot transition. These results are compared with data for glyoxal, (COH)2, obtained earlier.


Oxalyl halides Excited state dynamics Fluorescence excitation spectra Supersonic jet Vibrational frequencies 



This study was financially supported by Russian Foundation for Basic Research—Grant No. 10-03-00716-a.

Supplementary material

11224_2012_150_MOESM1_ESM.doc (212 kb)
Supplementary material 1 (DOC 212 kb)


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Copyright information

© Springer Science+Business Media New York 2012

Authors and Affiliations

  • Dmitry V. Maslov
    • 1
  • Vladimir A. Povedailo
    • 2
  • Dmitry L. Yakovlev
    • 2
  • Igor A. Godunov
    • 1
    Email author
  1. 1.Department of ChemistryM.V. Lomonosov Moscow State UniversityMoscowRussia
  2. 2.B.I. Stepanov Institute of PhysicsBelarus National Academy of ScienceMinskBelarus

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