1. Institute of Physical and Theoretical Chemistry, Technical University of Wrocław, Wyb. Wyspiańskiego 27, 50-370 Wrocław, Poland
2. CNRS, Centre de Recherche Paul Pascal, 33-600 Pessac, France
3. Group of Condensed Matter and Materials, University of Rennes I, 35-042 Rennes, France
4. Laboratory of Dynamics and Structure of Molecular Materials, University of Lille I, 59-655 Villeneuve d'Ascq, France