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. 2014 Jan 13;356(1):221–228. doi: 10.1002/adsc.201300704

Figure 4.

Figure 4

X-Ray crystal structures: (a) α-methylstyrene gold(I) complex 15b, (b) [(t-BuXPhosAu)2C≡CPh]+[SbF6] 9a (taken from ref.[7]) and (c) [(t-BuXPhosAu)2C≡CPh]+[BAr4F] 9b. ORTEP plot (50% thermal ellipsoids). Hydrogens are omitted for clarity.