1 State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P. R. China. [email protected].
2 School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei 230026, P. R. China.
3 Department of Chemistry, National University of Singapore, 117543, Singapore. [email protected].
4 Theory of Nanomaterials Group and Institute of Nanoscale Physics and Chemistry -INPAC, Katholieke Universiteit Leuven, 3001 Leuven, Belgium.
Magnetic investigation and ab initio calculations reveal toroidal arrangement of the magnetic moment rather than centripetal anisotropies in a tetrahedral Dy4 complex.