1. Department of Chemistry, Hofstra University, Hempstead, New York 11549, United States
2. Department of Physics & Astronomy, University of Nebraska, Lincoln, Nebraska 68588-0299, United States
3. Department of Chemistry, University of Nebraska, Lincoln, Nebraska 68588-0304, United States
4. Physikalisches Institut, Universität Bayreuth, 95440 Bayreuth, Germany
5. Department of Theoretical Chemistry, Faculty of Chemistry, Jagiellonian University, 30-060 Krakow, Poland