Abstract
IT has been well established by Evans1–4 that oxygen will form contact charge transfer complexes with a wide variety of hydrocarbons. The formation of the complex is observed spectroscopically. It is seen that when oxygen is dissolved in solutions of hydrocarbons under very high pressure, a new broad absorption band appears to the long wavelength side of the first singlet absorption band of the hydrocarbon. In many cases there is superimposed on this broad band a structure which is the first triplet absorption spectrum. This has been used by Birks and Slifkin5 for measuring the first triplet-levels of the polycyclic aromatic hydrocarbons.
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References
Evans, D. F., J. Chem. Soc., 1351 (1957).
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Evans, D. F., J. Chem. Soc., 1987 (1961).
Evans, D. F., J. Chem. Soc., 2566 (1961).
Birks, J. B., and Slifkin, M. A., Nature, 191, 761 (1961).
Steele, R. H., and Szent-Györgyi, A., Proc. U.S. Nat. Acad. Sci., 43, 477 (1957).
Teale, F. J. W., and Weber, G., Biochem. J., 65, 476 (1957).
Friedel, R. A., and Orchin, M., Ultraviolet Spectra of Aromatic Compounds (John Wiley, New York, 1951).
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SLIFKIN, M. Complexes of Amino-Acids with Oxygen. Nature 193, 464–465 (1962). https://doi.org/10.1038/193464b0
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DOI: https://doi.org/10.1038/193464b0
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