Fig. 5
From: Bifurcation of self-assembly pathways to sheet or cage controlled by kinetic template effect
Crystal structure of (NO3−)@[Pd214]4+. a Top and side views of the (NO3−)@[Pd214]4+. cage. Color labels: turquoise, Pd; gray, C; blue, N; red, O; white, H. The dotted black line in the side view indicates the helix axis. b Schematic indication of the hydrogen bonding interaction of the pyridyl hydrogen atoms (Ha) and the NO3− anion encapsulated in the cage
