Abstract
The title compound, [C16H36N]+[C48H30Au3Ag2]−, crystallizes in the triclinic space groupP1−1, witha=18.199(12),b=19.210(8),c=19.270(9)A,α=71.34(3)°β=76.43(4)° γ=72.95(5)° andZ=4, with two independent molecules in the asymmetric unit. The structure was solved by direct methods and refined by full-matrix least squares methods toR=0.072 for 3739 observed reflections. The metal atoms have a trigonal-bipyramidal arrangement with the three Au atoms forming an equilateral triangle and two Ag atoms occupying apical positions. Each Au atom is σ-bonded to phenylethynyl ligands in a linear coordination. Each Ag atom is asymmetrically pi-bonded to three alkyne groups. The Au-Au distances lie in the range of 3.934–4.010 A, indicating the lack of Au-Au bond.
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