LINE POSITIONS AND STRENGTHS OF THE $\nu_{1}$ AND $2\nu_{2}$ BANDS OF HDO

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1981

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Ohio State University

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High resolution spectra ($0.01 cm^{-1}$) of HDO have been obtained in the 2400 to $3200 cm^{-1}$ using a Fourier Transform Spectrometer located at the Kitt Peak National Observatory. Values of the ground state levels were determined from the data and fitted to Watson-type Hamiltonian from which 17 rotational constants were obtained. A comparison was made between the ground state levels obtained in this study and those calculated from the constants given by DeLucia et $al.^{1}$ Measurements of line strengths of over 500 lines in the two bands were made using the equivalent width method. The line strengths were fitted by the method of least-squares taking into consideration interactions.

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$^{1}$ F. C. DeLucia, R. L. Cook, P. Helminger, and W. Gordy, J. Chem. Phys. 55, 5334-5339 (1971).
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