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Issue 49, 2018
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Gas adsorption in an isostructural series of pillared coordination cages

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Abstract

The synthesis and characterization of two novel pillared coordination cages is reported. By utilizing 1,4-diazabicyclo[2.2.2]octane (dabco) as a pillar with increased basicity as compared to pyrazine or 4,4′-bipyridine, a stable copper-based material was prepared. Extending this strategy to iron(II) afforded an isostructural material that similarly retains high porosity and crystallinity upon solvent evacuation. Importantly, the iron solid represents a rare example of porous iron paddlewheel-based metal–organic material that is stable to solvent evacuation. Neutron powder diffraction studies on these materials indicate the triangular and square windows of the cage are prime ethane and ethylene adsorption sites.

Graphical abstract: Gas adsorption in an isostructural series of pillared coordination cages

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Article information


Submitted
20 Apr 2018
Accepted
30 May 2018
First published
30 May 2018

Chem. Commun., 2018,54, 6392-6395
Article type
Communication
Author version available

Gas adsorption in an isostructural series of pillared coordination cages

E. J. Gosselin, G. R. Lorzing, B. A. Trump, C. M. Brown and E. D. Bloch, Chem. Commun., 2018, 54, 6392
DOI: 10.1039/C8CC03216E

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