Abstract
For nearly all of the species considered in previous chapters the spin S is 1/2; that is, we have considered the magnetic properties of only one electron in the system. In the absence of a magnetic field, the spin states for these systems are degenerate. In fact, for all systems with an odd number of electrons, a theorem due to Kramers† guarantees at least a twofold degeneracy which can only be removed by the application of a magnetic field. Thus, in principle, an ESR spectrum should be obtainable for any system with an odd number of electrons (S = 1/2, 3/2, 5/2, …).
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Bibliography
Zahlen, A. B. (ed.), “The Triplet State—Beirut Symposium,” Cambridge University Press,Cambridge, England, 1967.
McGlynn, S. P., T. Azumi, and M. Kinoshita, “Molecular Spectroscopy of the Triplet State,” Prentice-Hall, Inc., Englewood Cliffs, N.J., 1969.
Wasserman, E., L. C. Snyder, and W. A. Yager, ESR of the Triplet States of Randomly Oriented Molecules, J. Chem. Phys., 41: 1763 (1964).
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© 1986 Chapman and Hall
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Wertz, J.E., Bolton, J.R. (1986). Energy-level Splitting in Zero Magnetic Field. The Triplet State. In: Electron Spin Resonance. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-4075-8_10
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DOI: https://doi.org/10.1007/978-94-009-4075-8_10
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-010-8307-2
Online ISBN: 978-94-009-4075-8
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