1. Institut Des Matériaux Jean Rouxel (IMN)-UMR6502; 2 Rue de la Houssinière, BP32229 44322 Nantes France
2. Justus Liebig University; Institute of Organic Chemistry; Heinrich-Buff-Ring 17 35392 Giessen Germany
3. Theoretical and Physical Chemistry Institute; National Hellenic Research Foundation; 48 Vassileos Constantinou Avenue 11635 Athens Greece
4. Laboratoire CEISAM-UMR CNRS 6230; Université de Nantes; 2 Rue de la Houssinière, BP 92208 44322 Nantes Cedex 3 France
5. Institut Universitaire de France; 103 Blvd. Saint-Michel 75005 Paris Cedex 05 France