1. Department of Chemistry, College
of Science, Sultan Qaboos University, PO
Box 36, Al-Khod 123, Muscat, Sultanate of Oman
2. Department of Chemistry, Western Michigan University, Kalamazoo, Michigan 49008,
United States
3. Department
of Physics, College
of Science, Sultan Qaboos University, PO
Box 36, Al-Khod 123, Muscat, Sultanate of Oman
4. Department of Physics, Wichita State University, 1845 Fairmount St, Wichita,
Kansas 67260, United States
5. Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Kraków,
Poland
6. Department of Chemistry, University of Sheffield, Sheffield S3 7HF, U.K.
7. Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, California
92093-0358, United States
8. Max-Planck-Institut für Bioanorganische Chemie, Stiftstrasse 34-36,
45470 Mülheim an der Ruhr, Germany
9. Department of Physics and Astronomy
and Nebraska Center for Materials and Nanoscience, University of Nebraska, Lincoln, Nebraska 68588, United States