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|Title:||Infrared Analysis of the Anharmonic Resonance between ν8 + ν9 and the Dark State ν6 + ν7 of HNO3||Authors:||Wang, W.F.
|Issue Date:||Jun-1997||Citation:||Wang, W.F.,Ong, P.P.,Tan, T.L.,Looi, E.C.,Teo, H.H. (1997-06). Infrared Analysis of the Anharmonic Resonance between ν8 + ν9 and the Dark State ν6 + ν7 of HNO3. Journal of Molecular Spectroscopy 183 (2) : 407-413. ScholarBank@NUS Repository.||Abstract:||The high-resolution FTIR spectrum of the ν8 + ν9 band of HNO3 around 1205 cm-1 has been measured and analyzed. The bright state was found to be strongly perturbed by its neighboring dark state ν6 + ν7 at the coincident levels. Taking account of the ΔK = ±2 anharmonic resonance, a simultaneous fit of ν8 + ν9 and ν6 + ν7 was performed leading to a good reproduction of the ν8 + ν9 band with a rms uncertainty of 0.00046 cm-1. A set of rovibrational constants for ν8 + ν9 were accurately determined, while for ν6 + ν7 the rotational constant B and the band origin were obtained. © 1997 Academic Press.||Source Title:||Journal of Molecular Spectroscopy||URI:||http://scholarbank.nus.edu.sg/handle/10635/96934||ISSN:||00222852|
|Appears in Collections:||Staff Publications|
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