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A molecular porous material, MPM‐2, comprised of cationic [Ni2(AlF6)(pzH)8(H2O)2] and anionic [Ni2Al2F11(pzH)8(H2O)2] complexes that generate a charge‐assisted hydrogen‐bonded network with pcu topology is reported. The packing in MPM‐2 is sustained by multiple interionic hydrogen bonding interactions that afford ultramicroporous channels between dense layers of anionic units. MPM‐2 is found to exhibit...
New approaches to gas/vapor storage and purification are urgently needed to address the large energy footprint, cost, and/or risk associated with existing technologies. In this context, new classes of porous physisorbents, exemplified by porous coordination networks (PCNs), have emerged. There are now >100 000 entries in the Cambridge Structural Database (CSD) metal‐organic framework (MOF) subset...
In this work, an L‐shaped silver complex, AgLClO4 (L = 2,3‐bis[3‐(pyridin‐2‐yl)‐1H‐pyrazol‐1‐yl·methyl]quinoxaline), M, is found to be adaptable enough to host a range of medium and large aromatic hydrocarbons including several polycyclic aromatic hydrocarbons (PAHs). The transformation of M from as‐synthesized closed (nonporous) crystalline to at least three types of open phase structures in the...
Metal–organic frameworks (MOFs) can be fine‐tuned to boost sorbent‐sorbate interactions in order to improve gas sorption and separation performance, but the design of MOFs with ideal structural features for gas separation applications remains a challenge. Herein it is reported that unsaturated alkali metal sites can be immobilized in MOFs through a tetrazole based motif and that gas affinity can thereby...
In article number 1900426, Ze Chang, Xian‐He Bu, and co‐workers demonstrate a new strategy for the immobilization of alkali metal cations (K+) in metal–organic frameworks (MOFs) toward gas affinity boosting. The immobilized K+ cations could be desolvated and serve as traps for CO2 capture, which effectively enhances the CO2 sorption performances of the MOFs.
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