1. Departament
de Química Física and Institut de Química Teòrica
i Computacional (IQTCUB), Universitat de Barcelona, Martí
i Franquès, 1-11, 08028 Barcelona, Spain
2. Materials
Science and Engineering, Macromolecular Science and Engineering, Chemical
Engineering, and Chemistry, University of Michigan, Ann Arbor, Michigan 48109, United States
3. Kimika Fakultatea, Euskal Herriko Unibertsitatea (UPV/EHU), Donostia International Physics Center (DIPC), P.K. 1072, 2080 Donostia, Spain
4. IKERBASQUE, Basque Foundation for Science, Bilbao, 48011, Spain