Zipping and unzipping of a paddlewheel metal-organic framework to enable two-step synthetic and structural transformation

Smart, P. and Mason, C A and Loader, J R and Meijer, Anthony J.H.M. and Florence, Alastair and Shankland, Kenneth and Fletcher, Ashleigh and Thompson, S P and Brunelli, Michela and Hill, A H and Brammer, Lee (2013) Zipping and unzipping of a paddlewheel metal-organic framework to enable two-step synthetic and structural transformation. Chemistry - A European Journal, 19 (11). pp. 3552-3557. ISSN 0947-6539

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Abstract

MOF zipper: Thermal removal of axial pyridine ligands from the non-covalently pillared metal-organic framework [Zn2(camph) 2(py)2]×2EtOH prompts migration of alternate camphorate ligands to zip Zn centers from adjacent layers into continuous chains within the nonporous material [Zn2(camph)2] (see scheme). Unzipping to generate new pillared, layered MOFs occurs on exposure to new axial ligands.