By using an arylthiolate ligand with a substituent in the para‐position, 4‐tBuC6H4S−, the yellow silver‐thiolate complex {[HNEt3]2n[Ag8Ag4/2(SC6H4tBu‐4)12]n·nC2H5OH} (1) has been synthesized and structurally characterized. Complex 1 is ionic composed of [HNEt3]+ cations and a polymeric [Ag8Ag4/2(SC6H4tBu‐4)12]n2n− anion. Complex 1 reacts with CS2 in acetone to give a red pentaconta‐nuclear silver anionic cluster complex {[HNEt3]4[Ag50S7(SC6H4tBu‐4)40]·2CS2· 6C3H6O} (2). The core of the anionic cluster of 2 consists of fifty silver atoms and forty seven sulfur atoms, shaped like a discus with a diameter of ca. 2.0 nm. The factors influencing the structure and the formation mechanism of the large cluster are discussed. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2004)
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