Reported is the stabilization of pincer-type triaryltin(IV) [(ArSnPh2)-Sn-1](+) and [(ArSnPh2)-Sn-2](+) cations (where Ar-1 = 1-{2,6-(MeO)(2)C6H3} and Ar-2 = 1-{2,6-(t-BuO)(2)C6H3}) with weakly coordinating carborane anions [1-CB11H12](-) .