A homoleptic Ag complex stabilized by succinimidate ligands.

Herein, the first example of a homoleptic Ag complex stabilized by a monodentate N-donor ligand is presented. Na[SO] oxidizes the linear Ag complex, Na[Ag(succ)] (1), to form a square planar argentate(iii) ion, [Ag(succ)], which crystallizes with a polymeric chain-structure, M[Ag(succ)] (2), when treated with alkali metal sulfate MSO (M = K, Rb, Cs). A mixed-valent Robin-Day class I system, [(HO)Ag][Ag(succ)] (2), forms in the absence of K/Rb/Cs ion.