1. Department of Chemistry, University of California, Berkeley, California 94720
2. Department of Chemistry, University of Tennessee, Knoxville, Tennessee 37996
3. QB3/Chemistry Mass Spectrometry Facility, University of California, Berkeley, California 94720
4. CNRS, Université de Bordeaux, Institut de Chimie de la Matière Condensée de Bordeaux (ICMCB), 87 avenue du Dr. Albert Schweitzer, Pessac, F-33605 Cedex, France
5. CNRS, UPR 8641, Centre de Recherche Paul Pascal (CRPP), Equipe “Matériaux Moléculaires Magnétiques”, 115 avenue du Dr. Albert Schweitzer, Pessac, F-33600, France
6. Université de Bordeaux, UPR 8641, Pessac, F-33600, France