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The FTIR Absorption Spectrum of the Fundamental Band of the AsO Radical

✍ Scribed by Fumiyuki Ito; Taisuke Nakanaga; Harutoshi Takeo; Kay Essig; Harold Jones

Publisher: Elsevier Science
Year: 1995
Tongue: English
Weight: 175 KB
Volume: 174
Category: Article
ISSN: 0022-2852
DOI: 10.1006/jmsp.1995.0012

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✦ Synopsis

An FTIR absorption spectrum of the fundamental band of the AsO radical in its X 2 P r state was measured in the 900-1100 cm 01 region with an apodized resolution of 0.006 cm 01 . About 1000 transitions with £Љ £ 3, JЉ £ 84.5 were assigned, based on our previous work [K. Essig et al., J. Mol. Spectrosc. 170, 152-157 (1995)], but some discrepancies were found in the assignments of the 2 P 3/2 -2 P 3/2 transitions. The transitions were fitted to a 2 P Hamiltonian with Hund's case (a) coupling to redetermine the molecular constants in the electronic ground state, including centrifugal distortion of the spin-orbit coupling constants. The r-dependence of the spin-orbit coupling constant A(r) was also determined experimentally.

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