1. Department of Chemistry, University of Hawai’i at Manoa, Honolulu, Hawaii 96822, United States
2. Department of Chemistry and Biochemistry, Florida International University, Miami, Florida 33199, United States
3. Kenneth S. Pitzer Center for Theoretical Chemistry, Department of Chemistry, University of California, Berkeley, California 94720, United States
4. Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States