Depending on the solvent used, the mono-stannylated FcSnCl3 (1) reacts with Na2S to give ionic [Na6(Me2CO)4(OH2)6] [(FcSn)3S6]2 (2), with a yet unprecedented thiostannate anion, or the adamantane-type Sn/S-cluster [(FcSn)4S6] (3). Complex 2 reacts readily with [Ni(acac)2], yielding the mixed-metallic complex [{Na(thf)3.5}2{(FcSn)8Ni3S16}]·2THF (4·2THF); the structures of 1–4 are discussed as well as Mössbauer spectra.
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