ChemInform Abstract: Single‐Crystal X‐Ray Structure and Magnetic Properties of the Polyoxotungstate Complexes Na16(M4(H2O)2(P2W15O56)2)×n H2O (M: MnII, n = 53; M: NiII, n = 52): An Antiferromagnetic MnII Tetramer and a Ferromagnetic NiII Tetramer. | Publicación