1. Laboratoire
de Spectroscopie Atomique, Moléculaire et Applications−LSAMA, Université de Tunis El Manar, Tunis 1068, Tunisia
2. Chemistry,
School of Mathematical and Physical Sciences, University of Hull, Hull HU6 7RX, U.K.
3. Chemistry
Department, Faculty of Science, King Saud University, PO Box 2455, Riyadh 11451, Kingdom of Saudi Arabia
4. Université Paris-Est, Laboratoire Modélisation
et Simulation Multi Echelle, MSME UMR 8208 CNRS, 5 bd Descartes, 77454 Marne-la-Vallée, France