Fig. 3. (a) Temperature-dependent UV-Vis spectra of C1 at 5 × 10–5 M; inset: plot of αaggvs. T for C1 at 5 × 10–5 M monitored at 395 nm. (b) COSY and ROESY of C1 at 7.5 mM in MCH-d14 at 358 K and photograph of gel (inset). (c) Plausible molecular arrangement. (d) Packing of C2 (b-axis) driven by N–H···Cl and C–H···Cl interactions (inset).
