Trigold triacetylides: polymerization through gold···gold bonding or bridging ligands

The new trigold(I) triacetylide [C 6 H 3 (CCAu) 3 -1,3,5] reacts with monodentate ligands, L = isocyanide, phosphite or phosphine, to give [C 6 H 3 (CCAuL) 3 -1,3,5] complexes which form polymeric solids with intermolecular Au···Au bonding; it also reacts with bidentate ligands to give covalently linked network polymers of the formula [{C 6 H 3 (CCAu) 3 -1,3,5} 2 (µ-L–L) 3 ], L–L = diisocyanide or diphosphine.