Abstract

A metal–organic framework [Mn3(HCOO)6]·DMF (1) with in situ generated formate ligand from the decomposition of N,N-dimethylformamide (DMF) solvent has been solvothermally synthesized and structurally characterized by single-crystal X-ray diffraction, powder X-ray diffraction (PXRD), thermogravimetric analysis (TGA), Infrared Spectroscopy (IR) and Elemental analysis (EA). Each formate ligand acts as μ3-bridge to link three octahedral Mn(II) centers to form a neutral three-dimensional (3D) framework with interesting 1D zigzag channel along the b axis, in which the DMF fill the free spaces. The desolvated samples exhibit interesting adsorption properties and show high selectivity for the adsorption of CO2 over N2 under ambient conditions.

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