Direct observation of mixing of spin multiplets in an antiferromagnetic molecular nanomagnet by electron paramagnetic resonance

S. Datta,1 O. Waldmann,2 A. D. Kent,3 V. A. Milway,4 L. K. Thompson,4 and S. Hill1 1Department of Physics, University of Florida, Gainesville, Florida 32611, USA 2Department of Chemistry and Biochemistry, University of Bern, CH-3012 Bern, Switzerland 3Department of Physics, New York University, 4 Washington Place, New York, New York 10003, USA 4Department of Chemistry, Memorial University, St. John’s, Newfoundland A1B 3X7, Canada Received 10 July 2007; published 16 August 2007