Reversible Photoinduced Magnetic Properties in the Heptanuclear Complex [Mo^IV(CN)₂(CNCuL)₆]⁸⁺: A Photomagnetic High‐Spin Molecule

Abstract

Metastable up to 280 K, {MoVCuICuII5} (S=3) forms as a result of intramolecular electron transfer from the MoIV center to one of the CuII termini of the [MoIV(CN)2(CN-CuII(L))6]8+ complex, (1; L=tris(2-aminoethyl)amine) upon light excitation (see picture: Mo yellow; C black; N blue; Cu purple). This process is thermally reversible. Compound 1 shows the magnetic properties of six independent CuII ions (S=1/2).