Abstract
In order to assemble polynuclear iron(III) complexes, the coordination chemistry of the 2-hydroxyethyl-3,5-dimethylpyrazole (hedmp-H) ligand has been investigated. Reaction of hedmp-H with trinuclear iron carboxylate precursor [Fe 3O(PhCOO) 6(H 2O) 3]Cl in acetonitrile yielded the hexanuclear Fe(III) complex [Fe 6O 2(OH) 2(PhCOO) 10(hedmp) 2]·3CH 3CN ( 1). This aggregate has been characterized by employing various analytical techniques, spectroscopic studies and single crystal X-ray diffraction. Detailed magnetic susceptibility measurements revealed that 1 displays an S T = 5 ground state.
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