A CoII-based metal–organic framework based on [Co6(μ3-OH)4] units exhibiting selective sorption of C2H2 over CO2 and CH4

Abstract

By virtue of unique planar [Co₆(μ₃-OH)₄] cluster units, a new microporous isonicotinate-based framework with high thermal and framework stabilities was achieved. The guest-free framework demonstrates high capacity and selectivity for C₂H₂ relative to CO₂ and CH₄ at room temperature, which was further understood by GCMC simulation.