1. Department of Chemistry, University of South Florida, 4202 East Fowler Avenue, CHE205, Tampa, Florida 33620-5250, United States
2. Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, United States
3. Department of Chemistry, University of California, Irvine, 500 East Peltason Drive, Irvine, California 92697-5255, United States