1. Department
of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas 79409-1061, United States
2. Departamento
de Química, Instituto Militar de Engenharia, 22290-270 Rio de Janeiro, Brazil
3. Institut
für Physikalische Chemie, Johannes Gutenberg-Universität, 55099 Mainz, Germany
4. Department
of Chemistry, Northwestern University Evanston, Illinois 60208, United States, and Chemical
Science and Engineering Division, Argonne National Laboratory, Argonne, Illinois 60439, United States
5. Institute
for Theoretical Chemistry, University of Vienna, 1090 Vienna, Austria