1. Institute of Materials Research and Engineering
2. Agency for Science
3. Technology and Research
4. Singapore 117602
5. Department of Chemistry
6. National University of Singapore
7. Singapore 117543
8. Laboratoire de Chimie de Coordination
9. Institut de Chimie
10. UMR 7177 CNRS
11. Université de Strasbourg
12. F-67081 Strasbourg Cedex