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Stimulated emission pumpin (SEP) spectroscopy was utilized to characterize vibrationally excited levels (v=4–6) of the 4 - g" align="middle"/> ground electronic state C + 2" align="middle"/>. Tr...
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Two Photon Resonance Enhanced Multiphoton Ionization Detection and Spectroscopy of Gas Phase Germyl (GeH3) Radicals

AIP Conf. Proc. -- October 2, 1988 -- Volume 191, pp. 475-477
ADVANCES IN LASER SCIENCE−IV; doi:10.1063/1.2931562

Issue Date: 2 October 1988

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Jeffrey W. Hudgens, Russell D. Johnson III, and Bilin P. Tsai
Chemical Kinetics Division, Center for Chemical Technology, National Institute of Standards and Technology (Formerly, the National Bureau of Standards), Gaithersburg, MD 20899
GeH3 radicals were observed by resonance enhanced multiphoton ionization (REMPI) spectroscopy in the region of 370 − 430 nm. The spectrum arises from two-photon resonances with the 5p 2A[double-prime]2 (D3h) Rydberg state which has its origin at 419.1 nm (nu0 - 0 = 47,705 cm−1). Absorption of a third photon ionized the radicals. A vibrational progression of ~756 cm−1 was assigned to the “umbrella” mode, nu[prime]2. The observed X-tilde 2A1 (C3v) v[double-prime]2=2 to v[double-prime]2=0 vibrational interval is 663 cm−1. ©2008 American Institute of Physics
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0094-243X (print)  
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