1. Departament de Química Inorgànica i Orgànica, Secció Química Inorgànica, Universitat de Barcelona, Barcelona, Spain
2. Institute of Nanoscience and Nanotechnology of the University of Barcelona (IN2UB), Barcelona, Spain
3. Instituto de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, Zaragoza, Spain
4. Departamento de Física de la Materia Condensada, Universidad de Zaragoza, Zaragoza, Spain
5. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, 119991 Moscow, Russia
6. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 119991 Moscow, Russia
7. Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences, Acad. Semenov Str. 1, Chernogolovka, 142432, Russia
8. Advanced Light Source, Berkeley Laboratory, 1 Cyclotron Road, Berkeley, California 94720, USA
9. Departament de Química Física, IQTCUB, Universitat de Barcelona, Diagonal 645, 08028 Barcelona, Spain