Abstract

The infrared absorption spectrum of H2O, HDO and D2O in dilute solution in carbon tetrachloride and carbon bisulfide has been investigated with a grating of high resolving power, in the region 2.6–3.8μ. Several bands have been identified as v3 bands and the hitherto unobserved v1 band for H2O is believed to have been found. The frequencies observed are compared with the same frequencies in the vapor and a displacement of frequency which is proportional to the frequency itself is observed in solution. A fine structure is observed in the case of H2O which may be ascribed to rotation unless some other explanation is found. The spectrum in carbon bisulfide appears to be identical with that in carbon tetrachloride.

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