1. Laboratory of Quantum and Computational Chemistry, Department of Chemistry, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
2. Department of Physical Chemistry, University of Vigo, Lagoas-Marcosende s/n, 36310 Vigo, Spain
3. Dipartimento di Chimica, Universita di Torino, Via Giuria 5, 10125 Torino, Italy
4. E2S UPPA, CNRS, IPREM, Université de Pau et des Pays de l Adour, 64053 Pau, France
5. High School of Oinousses, 82101 Oinousses, Greece
6. Theoretical and Physical Chemistry Institute, National Hellenic Research Foundation, GR-116 35 Athens, Greece