1. Department
of Chemistry and Biochemistry, University of Mississippi, Oxford, Mississippi 38677, United States
2. Advanced
Light Source, Lawrence Berkeley National Laboraotry, 1 Cyclotron
Road, Berkeley, California 94720, United States
3. CNR-ICCOM, Consiglio Nazionale delle Ricerche, Pisa I-56124, Italy
4. Dipartmento
di Scienze Chimiche e Farmaceutiche, Università di Trieste, Trieste I-34127, Italy
5. Environmental
Molecular Sciences Laboratory, Pacific Northwest National Laboratory, P.O. Box 999, K8-91, Richland, Washington 99352, United States