[1] NE Normal Univ, Fac Chem, Minist Educ, Key Lab Polyoxometalate Sci, Changchun 130024, Jilin, Peoples R China
[2] CNRS, Ctr Rech Paul Pascal, UPR 8641, Equipe Mat Mol Magnet, F-33600 Pessac, France
[3] Univ Bordeaux, UPR 8641, F-33600 Pessac, France