| Autor: |
Shi, W., Lipson, R. H. |
| Předmět: |
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| Zdroj: |
Journal of Chemical Physics; Dec2007, Vol. 127 Issue 22, p224304, 6p, 1 Diagram, 3 Charts, 4 Graphs |
| Abstrakt: |
(2+1) resonance-enhanced multiphoton ionization spectra of jet-cooled trans-1,2-dibromoethylene are reported for the first time. The two-photon spectral region between 149.7 and 141.2 nm was examined. A 4pz←π Rydberg transition between 66 800 and 68 000 cm-1 with Ag excited state symmetry was analyzed, as well as two 4f←π Rydberg transitions with Bg excited state symmetry and one 4f←π Rydberg transition with Ag excited state symmetry between 68 000 and 70 800 cm-1. All Rydberg transitions observed in this work belong to series that converge to the first ionization potential of the molecule. The short vibrational progressions observed involve two totally symmetric in-plane normal modes: C==C–H bending (ν3) and C==C–Br bending (ν5) with average excited state frequencies of 829 and 226 cm-1, respectively. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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