Abstract
THE Raman spectrum of 80 per cent heavy water obtained with a sample supplied by Prof. H. S. Taylor of Princeton, when compared with the spectrum of the 18 per cent material previously reported1, shows that the water molecule with two atoms of heavy hydrogen gives a Raman band with a frequency difference of 2517, while the molecule with one atom of heavy and one of light hydrogen gives two bands, one of frequency difference of 2623, the other of 3500. Ordinary water gives a band with frequency difference 3445. A single photograph of a sample of given concentration does not bring out this shift as the bands overlap ; but by superposing the two photographs taken with different concentrations, the shift in the centre of gravity of the bands comes out in a very striking manner.
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NATURE, 132, 970, Dec. 23, 1933.
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WOOD, R. Raman Spectrum of Heavy Water. Nature 133, 106 (1934). https://doi.org/10.1038/133106a0
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DOI: https://doi.org/10.1038/133106a0
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