1. Institut des Sciences Chimiques de Rennes, Campus de Beaulieu, UMR 6226 CNRS; Université de Rennes 1; Rennes France
2. Department of Theoretical Chemistry, Faculty of Chemistry; Jagiellonian University; Krakow Poland
3. Aix Marseille Université, CNRS; iSm2 UMR 7313 Marseille France
4. Department of Chemistry; University at Buffalo, State University of New York; Buffalo NY USA