1. Department
of Chemistry and Biochemistry, University of Mississippi, Oxford, Mississippi 38677, United States
2. CNR-ICCOM, Consiglio Nazionale delle Ricerche, via G. Moruzzi 1, 56124 Pisa, Italy
3. Dipartimento
di Scienze Chimiche e Farmaceutiche, Università di Trieste, 34127 Trieste, Italy
4. Advanced
Light Source, Lawrence Berkeley National Laboratory, 1 Cyclotron
Road, Berkeley, California 94720, United States
5. Department
of Chemistry, Western Michigan University, Kalamazoo, Michigan 49008, United States