1. Ecole Nationale Supérieure de Chimie de Paris, UMR CNRS-ENSCP 7575, 11 rue Pierre et Marie Curie, F-75231 Paris, Cedex 05, France
2. Dipartimento di Chimica, Università Federico II Complesso Universitario Monte Sant’ Angelo, via Cintia, I-80126 Napoli, Italy
3. Dipartimento di Chimica, Polo Scientifico dell’ Università di Firenze, via della Lastruccia 3, I-50019 Sesto Fiorentino, Firenze, Italy
4. Theoretical Chemistry, Materials Science Centre, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands
5. Department of Chemistry, Imperial College London, South Kensington SW7 2AY, United Kingdom and CCLRC, Daresbury Laboratory, Daresbury, Warrington WA4 4AD, United Kingdom
6. Departament de Química Física, Universitat de Barcelona, C/Martí i Franquès 1, E-08028 Barcelona, Spain
7. IRSAMC, Laboratoire de Physique Quantique, Université Paul Sabatier, 118 Route Narbonne, F-31062 Toulouse, Cedex, France