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The combination bands (ν1+ν3, ν2+ν3) and overtone band (3ν3) of neptunium hexafluoride

✍ Scribed by Kyu Chull Kim; Roberta N. Mulford

Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
332 KB
Volume
159
Category
Article
ISSN
0009-2614

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✦ Synopsis

Fourier transform, vibration-rotational spectra of NpF, measured at moderate to high resolution (0.1-0.008 cm-') reveal well-defined PQR structures for the two combination bands, v, + yg and Y* + Y+ The resolved ground-state Q branch and rotational manifolds for each band provide accurate vibrational frequencies and allow detailed rovibrational analysis. We also report the observation of the 3vJ band spectrum at 5.3 pm. The transition strength for 3vl is determined as S= 1.7X IO-* km mol-'. The anharrnonic constant x,,% -0.77 cm-' was estimated.

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