(Ph(4)P)S(6)-A Compound Containing the Cyclic Radical Anion S(6)(.-) We thank the Deutsche Forschungsgemeinschaft (DFG) and the Fonds der Chemischen Industrie (FCI) for financial support. A.D. thanks the FCI for a doctoral stipendium. F.M.B. thanks the DFG for a Habilitation fellowship