1. a Laboratory of Organic Chemistry, Faculty of Science, University of Zagreb , 10000, Zagreb, Strossmayerov trg 14, Croatia
2. b Department of Energetics “Sergio Stecco” , University of Florence , via S. Marta 3, 50139, Florence, Italy
3. c Department of Physical Chemistry , Ruder Bošković Institute , BijeniČka 54, 10002, Zagreb, Croatia