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The Coriolis-Coupled States v6 = 1 and v8 = 1 of DCOOH

✍ Scribed by O.I. Baskakov; S. Alanko; M. Koivusaari

Publisher: Elsevier Science
Year: 1999
Tongue: English
Weight: 81 KB
Volume: 198
Category: Article
ISSN: 0022-2852
DOI: 10.1006/jmsp.1999.7931

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✦ Synopsis

The Fourier transform gas-phase infrared spectra of the Coriolis-perturbed 6 and 8 bands of deuterated formic acid DCOOH were measured with a resolution of ca. 0.003 cm Ϫ1 . Combined analysis of the 8977 IR transitions and all the available rotational data (from literature) in the ground state, as well as in the excited vibrational states v 6 ϭ 1 and v 8 ϭ 1 was carried out. The Coriolis coupling terms were determined and improved sets of rotational and centrifugal distortion parameters for the ground and excited vibrational states were obtained. The determined band centers are 0 ( 8 ) ϭ 873.385046(12) cm Ϫ1 and 0 ( 6 ) ϭ 970.8889551(46) cm Ϫ1 .

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