1. Computational Chemistry Group
2. Department of Chemistry
3. Faculty of Science
4. University of Mauritius
5. Réduit 80837
6. Faculty of Natural Sciences and Technology
7. Saarland University
8. 66123 Saarbrücken
9. Federal Republic of Germany
10. Department of Chemical and Process Engineering
11. Jubail Industrial College
12. Jubail Industrial City 31961
13. Saudi Arabia