Synthesis and Structural Characterization of Tetranuclear Sulfur-Centered Complexes with Mixed-Valent Gold Atoms: [S(Au2dppf)Au(C6F5)32] (dppf = 1,1‘-Bis(diphenylphosphino)ferrocene) and [S(AuPPh3)2Au(C6F5)32] | Publicación