Abstract
IN this communication we report the first observation of magnetic splittings in the far infra-red spectrum of a simple molecule. These effects can be predicted qualitatively from the free radical nature of the molecule and quantitatively from the analysis of the microwave spectrum1. An earlier search in this region2 failed to exhibit these effects, due to lack of adequate resolving power. With the attainment of resolution of 0.10 cm−1 by interfere-metric methods3, the phenomenon can now be observed.
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References
a, Bird, G. R., Baird, J. C., et al. (to be published). b, Bird, G. R., J. Chem. Phys., 25, 1040 (1956).
Bird, G. R., Danti, A., and Lord, R. C., Spectrochimica Acta, 12, 247 (1958).
Gebbie, H. A., Advances in Quantum Electronics, 155 (Columbia Univ. Press, New York, 1961).
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Lin, C. C., Phys. Rev., 116, 903 (1959).
Baird, J. C., doctoral thesis, Rice University (1958).
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GEBBIE, H., STONE, N., BIRD, G. et al. Magnetic Effects in the Far Infra-red Spectrum of Nitrogen Dioxide (NO2). Nature 200, 1304–1306 (1963). https://doi.org/10.1038/2001304a0
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DOI: https://doi.org/10.1038/2001304a0
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