Synthesis and Characterization of the Silver Maleonitrilediselenolates and Silver Maleonitriledithiolates (K((2.2.2)-cryptand))4(Ag4(Se2C2 (CN)2)4), (Na((2.2.2)-cryptand))4(Ag4 (S2C2(CN)2)4).0.33MeCN, (NBu4)4(Ag4(S2C2(CN)2)4), (K((2.2.2)-cryptand))3(Ag(Se2C2 (CN)2)2).2MeCN, and (Na((2.2.2)-cryptand))3 (Ag(S2C2(CN)2)2). Article