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. Author manuscript; available in PMC: 2020 May 1.
Published in final edited form as: Polyhedron. 2019 Feb 23;163:42–53. doi: 10.1016/j.poly.2019.02.027

Figure 3.

Figure 3.

The X-ray crystal structures of a) [Cu(L1)Cl]+ (top) and [Cu(L2)(OAc)]+49 demonstrate the flexibility of the benzyl group, which can fold toward an empty coordination site as in [Cu(L1)Cl]+ or away from a more sterically crowded metal ion as in [Cu(L2)(OAc)]+.