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High resolution analysis of the ν7 and ν9 bands of DCOOH

✍ Scribed by O.I. Baskakov; J. Lohilahti; V.-M. Horneman

Book ID
104151815
Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
163 KB
Volume
219
Category
Article
ISSN
0022-2852

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✦ Synopsis

The 7 1 and 9 1 vibrational states of deuterated species of formic acid molecule DCOOH have been recorded by a FTIR spectrometer in the region 450-820 cm À1 at a resolution of 0:00125 cm À1 and a millimeter wave spectrometer. In the analysis microwave transitions from literature were used in addition to 14 835 assigned IR and 114 millimeter wave lines in the 7 1 and 9 1 vibrational states. The analysis resulted in band origins, rotational, centrifugal distortion, and eight interaction parameters of the Coriolis coupled 7 1 and 9 1 vibrational states. RMS deviation of the fit was 0:000176 cm À1 for the IR data and the maximum values of J and K a quantum numbers in the fit were 64, 28 and 64, 30 for 7 1 and 9 1 states, respectively.

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