MnII-based MIL-53 Analogues: Synthesis Using Neutral Bridging μ2-Ligands and Application in Liquid-Phase Adsorption and Separation of C6−C8 Aromatics
Journal of the American Chemical Society2010Vol. 132(11), pp. 3656–3657
Citations Over TimeTop 10% of 2010 papers
Abstract
Four Mn(II)-based MIL-53 single crystals were prepared using four neutral pyridine N-oxides as bridging mu(2)-ligands. In the case of 4,4'-bipridine-N,N'-dioxide (BPNO), the infinite manganese oxide chains were further interconnected by BPNO besides BDC, which allows 1D channels to be accessible for guest molecules. The liquid-phase adsorption and separation of C6-C8 aromatics using the evacuated compound as an absorbent were investigated via crystal-to-crystal transformations. Both structural evolution of the compounds and selectivity of C6-C7 aromatics of one evacuated compound could be attributed to noncovalent interactions, especially pi-pi interaction.
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