1. Department of Chemistry
2. Faculty of Science
3. University of Delhi
4. India
5. School of Chemical Sciences
6. National Institute of Science Education and Research
7. Bhubaneswar
8. Laboratoire de Chimie Physique
9. UMR 8000 CNRS
10. Université Paris-Sud
11. 91405 Orsay Cedex
12. France