1. Department of Chemistry and Biochemistry, Ohio University, 100 University Terrace, 136 Clippinger Laboratories, Athens, Ohio 45701-2979, United States
2. Department of Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
3. Department of Physics and Astronomy, Ohio University, 139 University Terrace, 136 Clippinger Laboratories, Athens, Ohio 45701-2979, United States