Fig. 2: Crystal structure of HOF-FJU-52.
a Ladder chain [(H2L1)n]2n+; b molecular loop [(H4L2)(H2L1)]2-; c the 0D+1D→2D polycatenated sheet; d the infinite π–π stacking from staggered benzoic groups. Color code: P = magenta, C = dark gray, O = red, N = blue. H atoms and guest water molecules have been omitted for clarity.
