1. H. M. McConnell and R. E. Robertson, J. Chem. Phys. 29, 1361 (1958).JCPSA60021-9606
2. Note that the energy eigenvalues will be a function of the correlation time since there is a correlation between Ht and Ht+τ.
3. D. Fiat and R. E. Connick, J. Am. Chem. Soc. (to be published).
4. It may be noted that the susceptibilities of these ions, except for Sm3+ and Eu3+, follow the Curie law: P. W. Selwood, Magnetochemistry (Interscience Publishers, Inc., New York, 1956), p. 143.
5. W. B. Lewis, J. A. Jackson, J. F. Lemons, and H. Taube, J. Chem. Phys. 36, 694 (1962).JCPSA60021-9606