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Entanglement is one of the most important features of coordination polymer frameworks and has attracted considerable attention due to its aesthetic and topological interest. Among entangled systems, interpenetrating frameworks represent an intriguing subset; however, there are few examples of materials containing very high levels of interpenetration. In this work a coordination polymer with 10(3)-srs topology, constructed from a star-like tridentate ligand, tri(4-imidazolylphenyl)amine, and Ag(I) ions, has been hydrothermally synthesized. It contains a record 54 interpenetrating networks.
Wu et al. (Tue,) studied this question.