fig5

Figure 5. (A) Crystal structure of OCF-25 synthesized through the hydrogen bond[66]. Copyright 2019, American Chemical Society; (B) Crystal structure of OCF-26 with hexagonal 1D channels synthesized through the hydrogen bond[67]. Copyright 2022, American Chemical Society; (C) Structural regulation of OCF-27 and OCF-31 induced by hinge-like motion of POC-11[68]. Copyright 2023, American Chemical Society. OCF: Organic cage-based framework.