Fig. 5

ORTEP diagram of complex 1b, PF6 anion has been removed for clarity, ellipsoids are at the 50% probability level. Specified bond length (Å) and bond angle (°); Au(1)-C(1) 2.017(5); Au(1)-C(13) 2.018(6); C(1)-Au(1)-C(13) 177.9(2).

ORTEP diagram of complex 1b, PF6 anion has been removed for clarity, ellipsoids are at the 50% probability level. Specified bond length (Å) and bond angle (°); Au(1)-C(1) 2.017(5); Au(1)-C(13) 2.018(6); C(1)-Au(1)-C(13) 177.9(2).