Syntheses, structures and characterization of heterobimetallic compounds [Et4N]2[(MS4)Ag8(SBut)8](MÂ =Â W, Mo) and {[Et4N][WOS3Ag2(S2COEt)]}n

Three new M/Ag/S heterobimetallic compounds [Et4N]2[(MS4)Ag8(SBut)8] (1a, M = W; 1b, M = Mo) and {[Et4N][WOS3Ag2(S2COEt)]}n (2) have been prepared from the reactions of [MOnS4−n]2−(M = W, Mo; n = 0-1) with AgSBut or AgS2COEt. Compound 1a contains a [WS4]2− dianion encapsulated in a neutral octanuclear (AgSBut)8 cage via weak Ag⋯S(WS4) interactions. Compound 2 is the first W/Ag/S polymer with bidentate thiolato linkages.