<abstract abstract-type="main" xml:lang="en"> <title>Abstract</title> <p>The new hybrid silver thiostannates (enH)<sub>4</sub>[Ln(en)<sub>4</sub>]<sub>2</sub> [Ag<sub>6</sub>Sn<sub>6</sub>S<sub>20</sub>]·3en (Ln: Er, Tm, Yb) are solvothermally prepared from mixtures of Ln<sub>2</sub>O<sub>3</sub>, Ag, Sn, and S in en (180 °C, 6 d).</p> </abstract>