Figure 2. ORTEP diagram of the Ni (ll) complex looking into the “dry cave “. conformation of the ligand (Figures 1 and 2). It clearly forms a hydrophobic cavity or “dry cave” in the vicinity of a vacant metal coordination site. The center of the p-xylyl group is displaced 2.6 A to one side of the nickel and is tilted-23'with respect to the coordination plane (Figure la), thus effectively forming both the roof and back of the cave but leaving a wide opening (-3.6 by ...
