The first specimen of tetranuclear (Fe III , Ln III ) clusters assembled by carboxylate ligands: synthesis, structure, Mössbauer spectra, and magnetic properties of [Fe 3 EuO 2 (CCl 3 COO) 8 H 2 O(THF) 3 ] · THF

The first specimen of tetranuclear (Fe III , Ln III ) clusters assembled by carboxylate ligands: synthesis, structure, Mössbauer spectra, and magnetic properties of [Fe 3 EuO 2 (CCl 3 COO) 8 H 2 O(THF) 3 ] · THF