American Chemical Society
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Magnetic Archimedean Tessellations in Metal–Organic Frameworks

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journal contribution
posted on 2021-08-10, 13:05 authored by Hua Chen, Laura Voigt, Mariusz Kubus, Dmytro Mihrin, Susanne Mossin, René W. Larsen, Søren Kegnæs, Stergios Piligkos, Kasper S. Pedersen
The self-assembly of lanthanide ions with ditopic organic spacers results in the formation of complex tiling patterns that mimic the structural motifs of quasi-periodic 2D materials. The linking of trans-{LnI2}+ nodes (Ln = Gd, Dy) by both closed-shell and anion radicals of 4,4′-bipyridine affords rare examples of Archimedean tessellations in a metal–organic framework. We furthermore demonstrate the occurrence of sizable magnetic exchange interactions and slow relaxation of magnetization behavior in a complex tessellation pattern. The implementation of Archimedean tessellations in lanthanide­(III) coordination solids couriers a strategy to design elusive quasi-periodic metal–organic frameworks with inimitable magnetic properties.