References

[1] Autschbach, J.; Ziegler, T. J Chem Phys 2000, 113, 936.
[2] Autschbach, J.A.; Ziegler, T. J Chem Phys 2000, 113, 9410.
[3] Autschbach, J.A.; Ziegler, T. J Am Chem Soc 2001, 123, 3341.
[4] Autschbach, J.A.; Ziegler, T. J Am Chem Soc 2001, 123, 5320.

See also:
N. F. Ramsey, Phys. Rev. 91, 303 (1953).
Dickson, R.M.; Ziegler, T. J Phys Chem 1996, 100, 5286.
Khandogin, J.; Ziegler, T. Spectr Acta A 1999, 55, 607.
D. L. Bryce, R. Wasylishen, J. Am. Chem. Soc. 122, 3197 (2000).
ADF User's manual, SCM, Vrije Universiteit, Amsterdam, The Netherlands.
G. Schreckenbach, S. K. Wolff, T. Ziegler, Modeling NMR chemical shifts, ACS Symposium Series, Washington DC (1999).