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The High-Resolution FTIR Spectrum of the ν1 Band of DOBr

✍ Scribed by T.L. Tan; K.L. Goh

Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
115 KB
Volume
199
Category
Article
ISSN
0022-2852

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✦ Synopsis

Fourier transform infrared spectra of the 1 bands of DO 79 Br and DO 81 Br have been recorded with a resolution of 0.0055 cm Ϫ1 in the frequency range of 2510 -2800 cm Ϫ1 . A total of 1901 lines of the A/B hybrid-type bands of both isotopic species have been assigned and fitted to upper state rovibrational constants employing a Watson's S-reduced Hamiltonian up to sextic terms. The K a Ն 4 subband transitions were found to be perturbed and were not included in the fit. The unperturbed band centers for 1 of DO 79 Br and DO 81 Br are 2668.79211 Ϯ 0.00006 and 2668.78842 Ϯ 0.00005 cm Ϫ1 , respectively. The ratio of the vibrational dipole transition moments ( a : b ) was found to be 1.30 Ϯ 0.04 for the band.

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