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Alternating Intensities in the Spectrum of Nitrogen

Abstract

THE rotational Raman bands excited by the λ2536 mercury line in nitrogen and hydrogen show the alternating intensities characteristic of a symmetrical molecule with a nuclear spin. In my communications on the subject (NATURE, May 18, 1929; Proc. Nat. Acad. Sci., 15, 515; 1929) I reported the lines corresponding to transitions between even numbered rotational levels to be the strong ones in N2, while the opposite is true for H2.

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RASETTI, F. Alternating Intensities in the Spectrum of Nitrogen. Nature 124, 792–793 (1929). https://doi.org/10.1038/124792c0

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