Abstract
AbstractThe synthesis, crystal structure, and magnetic properties of a new hexanuclear manganese(III) complex are reported. The complex [LiMn6(L)6]OH·2MeCN·4MeOH·1.5H2O (LiH2L = lithium 2‐{[bis(2‐hydroxyethyl)amino]methyl}‐4‐methylphenate) (1), was obtained from the reaction of one equivalent of LiH2L with Mn(OAc)2 in MeCN/MeOH (v:v/1:1). Single‐crystal X‐ray diffraction shows that six octahedrally coordinated manganese(III) ions define a ring and are linked by twelve bridging oxygen atoms from alkoxo groups. The resulting [Mn6(OCH2)12] skeleton has the remarkable property of acting as a host for a octahedrally coordinated lithium ion in the center of the ring. Variable‐temperature solid‐state magnetic susceptibility studies of 1 in the temperature range 2.0–300 K reveal that the complex has a S = 12 ground state spin, showing ferromagnetic exchange interactions between the constituent manganese(III) ions.
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