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. Author manuscript; available in PMC: 2019 Jan 11.
Published in final edited form as: Chem. 2017 Dec 14;4(1):46–93. doi: 10.1016/j.chempr.2017.10.015

Figure 38. Bicyclic anion receptors and their crystal structures of complexes with anions.

Figure 38

(A) Molecular structures of receptors 80 and 81.

(B) Top view and front view of the crystal structure of the complex [Cl3]3− ⊂ [H680]6+.

(C) Crystal structure of the complex [(NO3)2]2− ⊂ [H680]6+.

(D) Crystal structure of the complex [(ClO4)3]3− ⊂ [H680]6+.

(E) Crystal structure of the complex [Cl2(H2O)]2− ⊂ 81.

All anions encapsulated within the cavity are shown in space-filling form. Color code: C = grey, O = red, N = blue and Cl = green. The counter anions or cations and solvent molecules outside the cavities are omitted for clarity.