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Analyses of the High-Resolution Infrared Absorption Spectra of the ν2and ν3Bands of Deuterated Hydrazoic Acid (DN3)

✍ Scribed by Camilla Skytte Hansen; Jørgen Bendtsen; Flemming M. Nicolaisen

Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
233 KB
Volume
175
Category
Article
ISSN
0022-2852

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✦ Synopsis

The infrared absorption spectra of the wavenumber regions including the n 3 and n 2 fundamental bands of DN 3 have been recorded with a spectral resolution of 0.003 cm 01 . In the region between 1105 and 1311 cm 01 the transitions observed are due to n 3 and the overtone band 2n 6 and in the region between 2065 and 2220 cm 01 the transitions observed are due to n 2 and the combination bands n 3 / n 4 , n 3 / 2n 5 , and n 4 / 2n 6 . All transitions observed are characterized by DK a Å 0. Each of the 32 subbands assigned has been analyzed separately, yielding values for the rotational parameters and subband centers of the individual vibrational energy levels. As strong perturbation effects are observed, it has been possible to calculate values for the Coriolis coupling constant z a 56 and the cubic anharmonic force constant k 366 . The assigned transitions have been used to calculate the vibrational ground state parameters by means of a combination difference analysis.

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