Conference paper

Publication year: 2005

Pages: 32-59

Journal: Journal of Molecular Spectroscopy

Volume number: 233

Issue number: 1

ISSN: 0022-2852

eISSN: 1096-083X

DOI Link: https://doi.org/10.1016/j.jms.2005.05.013

Conference: 18th International Conference on High Resolution Molecular Spectoscopy

Publisher: Elsevier

Abstract: 
The far-infrared and middle-infrared emission spectra of deuterated water vapour were measured at temperatures 1370, 1520, and 1940 K in the ranges 320-860 and 1750-3400 cm(-1). The measurements were performed in an alumina cell with an effective length of hot gas of about 50 cm. More than 3550 new measured lines for the D-2 O-16 molecule corresponding to transitions from highly excited rotational levels of the (0 2 0), (10 0), and (0 0 1) vibrational states are reported. These new lines correspond to rotational states with higher values of the rotational quantum numbers compared to previously published determinations: J(max) = 29 and K-a(max) = 22 for the (020) state, J(max) = 29 and K-a((max)) = 25 for the (100) state, and J(max) = 30 and Ka((max)) = 23 for the (0 0 1) state. The extended set of 1987 experimental rotational energy levels for the (0 2 0), (10 0), and (0 0 1) vibration states including all previously available data has been determined. For the data reduction we used the generating function model. The root mean square (RMS) deviation between observed and calculated values is 0.004 cm(-1) for 1952 rovibrational levels of all three vibration states. A comparison of the observed energy levels with the best available values from the literature and with the global predictions from molecular electronic potential energy surfaces of water isotopic species [H. Partridge, D.W. Schwenke, J. Chem. Phys. 106 (1997) 4618] is discussed. The latter confirms a good consistency of mass-dependent DBOC corrections in the PS potential function with new experimental rovibrational data. (c) 2005 Elsevier Inc. All rights reserved.

Harvard Citation style: Mikhailenko, S., Mellau, G., Starikova, E., Tashkun, S. and Tyuterev, V. (2005) Analysis of the first triad of interacting states (020), (100), and (001) of D216O from hot emission spectra, Journal of Molecular Spectroscopy, 233(1), pp. 32-59. https://doi.org/10.1016/j.jms.2005.05.013

APA Citation style: Mikhailenko, S., Mellau, G., Starikova, E., Tashkun, S., & Tyuterev, V. (2005). Analysis of the first triad of interacting states (020), (100), and (001) of D216O from hot emission spectra. Journal of Molecular Spectroscopy. 233(1), 32-59. https://doi.org/10.1016/j.jms.2005.05.013