Complexes [N(PPh(3))(2)][AU(C=CH)(2)] or [AU(C=CH)(PR(3))] (R = Ph or C(6)H(4)OMe-4) or [N(PPh(3))(2)] [AU(C=CH)X] (X = Cl or Br) have been prepared by reacting [N(PPh(3))(2)][Au(acac)(2)] or [Au(acac)(PR(3))] (Hacac = acetylacetone) with acetylene, respectively, or [N(PPh(3))(2)][AU(C=CH)(2)] with [N(PPh(3))(2)][AuX(2)].