Cracking and Self-Healing in a Molecular Crystal Driven by Topochemical Polymerization.
Topochemical reactions in molecular crystals are often accompanied by severe lattice strain, frequently leading to crystal fracture and loss of crystallinity. Here we report an unusual case in which heat-driven topochemical azide-alkyne cycloaddition (TAAC) polymerization in a non-centrosymmetric molecular crystal indu...