1. Bioinorganic Group Department of Organic and Inorganic Chemistry Center of Sciences Federal University of Ceará Pici Campus Fortaleza 60455-760 Brazil
2. CNRS Laboratoire de Chimie de Coordination LCC UPR 8241 205 Route de Narbonne, 44099 31077 Toulouse, Cedex 4 France
3. Université de Toulouse Université Paul Sabatier UPS 118 Route de Narbonne 31062 Toulouse, Cedex 9 France