FAR INFRARED SPECTRA OF $H_{2}O$

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1984

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Ohio State University

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Spectra of $H_{2}O, H_{2}^{18}O, D_{2}O$ and HDO have been recorded in the region from about $15 cm^{-1}$ to $300 cm^{-1}$ using a Bomem interferometer at at apodized resolution of about $0.004 cm^{-1}$. The accuracy of measurement is, for the most part, better than $4 \times 10^{-4} cm^{-1}$ and the frequencies should therefore be useful for the calibration of high resolution spectrometers until more accurate heterodyne measurements become available. Some of the data have been fitted, together with available microwave data, to Watson's A-reduced hamiltonian.

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Author Institution: Herzberg Institute of Astrophysics, National Research Council of Canada

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