Buckling cluster-based H-bonded icosahedral capsules and their propagation to a robust zeolite-like supramolecular framework

Zhan-Hua Zhao, Bao-Liang Han, Hai-Feng Su, Qi-Lin Guo, Wen-Xin Wang, Jing-Qiu Zhuo, Yong-Nan Guo, Jia-Long Liu, Geng-Geng Luo (), Ping Cui and Di Sun ()
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Zhan-Hua Zhao: Huaqiao University
Bao-Liang Han: Shandong University
Hai-Feng Su: Xiamen University
Qi-Lin Guo: Huaqiao University
Wen-Xin Wang: Shandong University
Jing-Qiu Zhuo: Huaqiao University
Yong-Nan Guo: Huaqiao University
Jia-Long Liu: Huaqiao University
Geng-Geng Luo: Huaqiao University
Ping Cui: Shandong University
Di Sun: Shandong University

Nature Communications, 2024, vol. 15, issue 1, 1-9

Abstract: Abstract Hydrogen-bonded assembly of multiple components into well-defined icosahedral capsules akin to virus capsids has been elusive. In parallel, constructing robust zeolitic-like cluster-based supramolecular frameworks (CSFs) without any coordination covalent bonding linkages remains challenging. Herein, we report a cluster-based pseudoicosahedral H-bonded capsule Cu60, which is buckled by the self-organization of judiciously designed constituent copper clusters and anions. The spontaneous formation of the icosahedron in the solid state takes advantage of 48 charge-assisted CH···F hydrogen bonds between cationic clusters and anions (PF6-), and is highly sensitive to the surface protective ligands on the clusters with minor structural modification inhibiting its formation. Most excitingly, an extended three-periodic robust zeolitic-like CSF, is constructed by edge-sharing the resultant icosahedrons. The perpendicular channels of the CSF feature unusual 3D orthogonal double-helical patterns. The CSF material not only keeps its single-crystal character in the desolvated phase, but also exhibits excellent chemical and thermal stabilities as well as long-lived phosphorescence emission.

Date: 2024
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DOI: 10.1038/s41467-024-53640-4

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