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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 39. Bicyclic anion receptors and crystal structures of selected anion complexes.

Figure 39

(A) Molecular structures of receptors 82 and 83.

(B) The crystal structure of the complex [(NO3)2]2− ⊂ [H282]2+.

(C) The crystal structure of the complex [(Cl2]2− ⊂ [H883]8+.

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 and solvent molecules outside the cavities are omitted for clarity.