1. Faculty of Science, Department of Chemistry, University of Maragheh, Maragheh, Iran
2. Department of Chemistry, Kabi Nazrul College, Murarai, India
3. Department of Physics, Rowan University, Glassboro, NJ, USA
4. Department of Chemistry, The University of Burdwan, Burdwan, India
5. Centro de Química Estrutural, Complexo I, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal