A Mixed-Valence Tetranuclear Vanadium(IV, V) Complex, [V₄O₄([mu]-OEt)₂([mu]-O)₂(OEt)₄(phen)₂]

The mixed-valence tetranuclear title complex, di-[mu]-ethoxo-1:2[kappa]⁴O-tetraethoxo-3[kappa]²O, 4[kappa]²O-di-[mu]-oxo-1:3[kappa]²O; 2:4[kappa]²O-tetraoxo-1[kappa]O,2[kappa]O,3[kappa]O,4[kappa]O-bis(1,10-phenanthroline)-1[kappa]²N,N'; 2[kappa]²N,N'-tetravanadium, [V₄O₆(C₂H₅O)₆(C₁₂H₈N₂)₂], was prepared and the crystal structure analysis showed it to have an alkoxo-bridged dinuclear oxovanadium core. The complex has a crystallographic inversion centre.

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