1. Radiation Laboratory and Department of Chemistry & Biochemistry, Notre Dame University, Notre Dame, Indiana 46556, United States
2. Department of Chemistry & Biochemistry, California State University, 1250 Bellflower Boulevard, Long Beach, California 90840, United States
3. Institute
of Physical Chemistry, University of Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
4. Department
of Chemistry, University of Pretoria, Pretoria 0002, South Africa
5. Chemistry
Division, Argonne National Laboratory, 9700 South Cass Avenue, Argonne, Illinois 60439, United States