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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 25. Cyclic pyrrole-based anion receptors and their anionic complexes.

Figure 25

(A) The crystal structure of the complex [Cl2]2−⊂ [H254]2+.

(B) The crystal structure of the complex [Cl2]2−⊂ [H255]2+.

(C) The crystal structure of the complex [Cl2]2−⊂ [H256]2+.

(D) The crystal structure of the complex [Cl2]2−⊂ [H357]3+.

(E) The crystal structure of the complex [(CF3COO)2]2−⊂ [H258]2+.

(F) The crystal structure of the complex [Cl2]2−⊂ [H259]2+ complex.

(G) The crystal structure of the complex [Cl2(H2O)2]2−⊂ [H260]2+.

(H) The crystal structure of the complex [Cl2]2−⊂ [H261]2+.

(I) The crystal structure of the complex [(CF3COO)2]2−⊂ [H261]2+.

(J) The crystal structure of the complex [(CH3SO4)2]2−⊂ [H261]2+.

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