1. Department of Chemistry, St Berchmans College (Autonomous), Changanassery, Kerala, India
2. Unité de Recherche sur les Plantes Médicinales (URPM.3000, Laghouat) Rattachée au Centre de Recherche en Biotechnologie CRBt 2500, Constantine, Algeria
3. Research Center for Advanced Materials Science (RCAMS), King Khalid University, Abha, Saudi Arabia
4. Department of Chemistry, Faculty of Science, King Khalid University, Abha, Saudi Arabia
5. Inorganic Chemistry, Department of Chemistry and Pharmacy, University of Erlangen-Nuremberg, Erlangen, Germany
6. Computer Chemistry Center, Department of Chemistry and Pharmacy, University of Erlangen-Nuremberg, Erlangen, Germany
7. Central Institute for Scientific Computing (ZISC), University of Erlangen-Nuremberg, Erlangen, Germany
8. Fakultät Angewandte Mathematik, Physik und Allgemeinwissenschaften, Technische Hochschule Nürnberg Georg Simon Ohm, Nürnberg, Germany
9. Department of Chemistry, King Fahd University of Petroleum and Minerals, Dhahran, Kingdom of Saudi Arabia