Gas Purification: Ultrahigh and Selective SO2 Uptake in Inorganic Anion-Pillared Hybrid Porous Materials (Adv. Mater. 28/2017)

Selective recognition and dense packing of SO₂ clusters is achieved through multiple synergistic host-guest/guest-guest interactions within SiF₆^2- anion-pillared hybrid porous materials in article number 1606929, by Qiwei Yang, Banglin Chen, Huabin Xing, and co-workers. The binding sites of anions and aromatic rings on the pore surface grasp every atom of SO₂ via S^δ+⋯F^δ– and O^δ–⋯H^δ+ interactions, while the interactions between SO₂ molecules further promote the gas trapping.

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