1. Molecular Inorganic Chemistry Stratingh Institute for Chemistry University of Groningen 9747 AG Groningen The Netherlands
2. Zernike Institute for Advanced Materials University of Groningen 9747 AG Groningen The Netherlands
3. CNR Institute of Chemical Science and Technologies “Giulio Natta” (CNR-SCITEC) via Elce di Sotto 8 06123 Perugia Italy
4. Department of Chemistry, Biology and Biotechnology University of Perugia via Elce di Sotto 8 06123 Perugia Italy
5. Ghent Quantum Chemistry Group Department of Inorganic and Physical Chemistry Ghent University 9000 Gent Belgium