Amide-functionalized exhibits high volumetric and gravimetric CH working capacities of 190 cm cm and 298 cm g (from 5.8 to 65 bar), higher than that of the similar NJU-Bai43 (187 cm cm and 292 cm g). This finding indicates that nitrogen-functionalized aromatic ring may not always play a positive role in amide-MOF for CH storage.

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