Molecule of the Month
September 2003
A New Family of Mn4 Complexes

A novel family of tetranuclear MnIII complexes, which all possess an S = 8 spin ground state and easy-axis type magnetoanisotropy, represent a new class of 'exchange-biased single-molecule magnets' where the exchange-bias is contolled by chemical and structural modification.

This work was carried out in the group of Prof. Hans Ulrich Güdel.


  • C. Boskovic, R. Bircher, P. L. W. Tregenna-Piggott, H. U. Güdel, C. Paulsen, W. Wernsdorfer, A. L. Barra, E. Khatsko, A. Neels, H. Stoeckli-Evans;
    "Ferromagnetic and Antiferromagnetic Intermolecular Interactions in a New Family of Mn4 Complexes with an Energy Barrier to Magnetization Reversal"
    J. Am. Chem. Soc., 125, 14046–14058, (2003); doi:10.1021/ja0367086.