A porous metal–organic framework, [CoII4(μ-OH2)4(MTB)2·(H2O)4]n·13nDMF·11nH2O (SNU-15), has been prepared; the X-ray crystal structure reveals a CaF2-like structure that generates 3D channels and the desolvated solid [CoII4 (μ-OH2)4(MTB)2]n (SNU-15′) exhibits selective gas sorption properties for H2 and O2 gases over N2 at 77 K, with exceptionally high O2 density, as well as for CO2 over CH4 at 195 and 273 K, suggesting its potential application in gas separation processes.
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Chemical Communications
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