References

1. Woo, T.K.; Cavallo, L.; Ziegler, T. Theor Chem Acc 1998, 100, 307.

2. Maseras, F.; Morokuma, K. J Comput Chem 1995, 16, 1170.

3. Swart, M. Int J Quantum Chem 2003, 91, 177.

4. Cornell, W.D., et al. J Am Chem Soc 1995, 117, 5179.

5. Clark, M.; Cramer III, R.D.; Van Opdenbosch, N. J Comput Chem 1989, 10, 982.

6. Singh, U.C.; Kollman, P.A. J Comput Chem 1986, 7, 718.

7. Swart, M.; van Duijnen, P.T.; Snijders, J.G. J Comput Chem 2001, 22, 79.