Spectroscopy of vibrationally excited states of CCH

Yen-Chu Hsu

doi:10.1117/12.178106

17 June 1994 Spectroscopy of vibrationally excited states of CCH

Yen-Chu Hsu

Proceedings Volume 2124, Laser Techniques for State-Selected and State-to-State Chemistry II; (1994) https://doi.org/10.1117/12.178106
Event: OE/LASE '94, 1994, Los Angeles, CA, United States

Abstract

Vibrationally excited states of CCH radical, up to 5000 cm^-1 above the ground vibrational level of the X²(Sigma) ⁺ state, have been studied by laser-induced fluorescence in both a flow cell and a supersonic beam expansion. CCH radical was generated by photolyzing acetylene with 193 nm laser light. Ten uv bands of parallel type transitions have been assigned as the transitions from X(0,v₂,0) (v₂ equals 1, 3-11) to S (Kequals0) or U (Kequals1). Comparison between the experimental observations and ab initio calculations of the bending vibrational levels will be given.

Citation Download Citation

Yen-Chu Hsu "Spectroscopy of vibrationally excited states of CCH", Proc. SPIE 2124, Laser Techniques for State-Selected and State-to-State Chemistry II, (17 June 1994); https://doi.org/10.1117/12.178106

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