Probing the magnetic and magneto-optical properties of a radical-bridged Tb4 single-molecule magnet

Abstract

Reaction of the 1,2,4,5-tetrazine (tz˙⁻) radical and {Cp*₂Tb}⁺ has yielded a tetranuclear radical-bridged Tb^III single-molecule magnet. The strong Ln–radical coupling and the electronic differences of the Tb^III ions in [(Cp*₂Tb)₄(tz˙⁻)₄]·3C₆H₆ (1) are probed via magnetic, magneto-optical and computational studies.