Journal
MICROPOROUS AND MESOPOROUS MATERIALS
Volume 157, Issue -, Pages 24-32Publisher
ELSEVIER
DOI: 10.1016/j.micromeso.2011.12.057
Keywords
Metal-organic framework; Coordination polymer; Porous material; Supramolecular; pi-pi Stacking
Categories
Funding
- EPSRC Research Council [EP/H000925/1]
- EPSRC [EP/H000925/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/H000925/1] Funding Source: researchfish
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The coordination of benzene-1,3,5-tribenzoate (BTB) and imidazole (Im) with cobalt under basic conditions yields a 2D layered structure, Co-3(BTB)(1.5)(Im)(1.35)(O)(0.5)(OH)(0.5)(H2O)(1.65) guests (1), in which the imidazoles are weakly pi-pi stacked and hydrogen bonded to the adjacent layers affording a 3D supramolecular network. The structure is based on a hexanuclear Co-6 building unit which comprises four octahedral and two tetrahedral Co(II) centres. The framework is permanently porous to N-2, CO2 and CH4, with the strength of interaction at zero coverage being comparable to that at high loading. (C) 2012 Elsevier Inc. All rights reserved.
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