Fig. 3: Configurations of adsorbed C2H2 and CO2 molecules within Co-CUK-1 from refinements of in-situ synchrotron X-ray powder diffraction data at 298 K.

Views of host-guest interactions of C₂H₂ (a) and CO₂ (c) in Co-CUK-1. Packing geometries of C₂H₂ (b) and CO₂ (d) clusters. Color code: C, gray; H, gray-25%; O, red; N, blue; Co, pink.