1. Institut Charles Gerhardt Montpellier, UMR 5253, Chimie Moléculaire et Organisation du Solide, Université Montpellier II, Place E. Bataillon, 34095 Montpellier Cedex 5, France
2. Department of Physics, CICECO, Universidade de Aveiro, 3810-193 Aveiro, Portugal
3. Department of Chemistry, CICECO, Universidade de Aveiro, 3810-193 Aveiro, Portugal
4. G. A. Razuvaev Institute of Organometallic Chemistry of the Russian Academy of Science, Tropinina 49, GSP-44S, 603950 Nizhny Novgorod, Russia