1. Laboratory of Molecular Catalysis
2. Instituto de Química
3. Universidade Federal do Rio Grande do Sul
4. Brazil
5. Institut des Sciences Chimiques de Rennes
6. Centre de diffraction X
7. UMR 6226 CNRS-Université de Rennes 1
8. F-35042 Rennes Cedex
9. France
10. Organometallics: Materials and Catalysis Dept.