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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Millange, Franck
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (12/12 displayed)
- 2021New hybrid MOF/polymer composites for the photodegradation of organic dyescitations
- 2016Iodine sequestration by thiol-modified MIL-53(Al)citations
- 2015Metal-organic frameworks from divalent metals and 1,4-benzenedicarboxylate with bidentate pyridine-N-oxide co-ligandscitations
- 2015Metal-organic frameworks from divalent metals and 1,4-benzenedicarboxylate with bidentate pyridine-N-oxide co-ligandscitations
- 2015Metal–Organic Frameworks from Divalent Metals and 1,4-Benzenedicarboxylate with Bidentate Pyridine- N -oxide Co-ligandscitations
- 2013Isomorphous Substitution in a Flexible Metal–Organic Framework: Mixed-Metal, Mixed-Valent MIL-53 Type Materialscitations
- 2013Adsorption of N/S heterocycles in the flexible metal–organic framework MIL-53(FeIII) studied by in situ energy dispersive X-ray diffractioncitations
- 2012Liquid-Phase Adsorption and Separation of Xylene Isomers by the Flexible Porous Metal-Organic Framework MIL-53(Fe)citations
- 2007Mixed-Valence Li/Fe-Based Metal-Organic Frameworks with Both Reversible Redox and Sorption Propertiescitations
- 2006Synthesis of MIL-102, a chromium carboxylate metal-organic framework, with gas sorption analysiscitations
- 2006A new isoreticular class of metal-organic-frameworks with the MIL-88 topology
- 2006An EXAFS study of the formation of a nanoporous metal-organic framework: evidence for the retention of secondary building units during synthesis
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article
Metal-organic frameworks from divalent metals and 1,4-benzenedicarboxylate with bidentate pyridine-N-oxide co-ligands
Abstract
<p>Two Co<sup>2+</sup> metal-organic framework materials, constructed from a combination of 1,4-benzenedicarboxylate (BDC) and either 2,2′-dipyridyl-N-oxide (DPNO) or 2,2′-dipyridyl-N,N′-dioxide (DPNDO), are synthesized under solvothermal reaction conditions, and their structures solved by single crystal X-ray diffraction. Both have three-dimensional structures that contain octahedral Co<sup>2+</sup> centers with μ<sub>2</sub>-(η<sup>2</sup>)-BDC, and bidentate DPNO or DPNDO coligands that bridge pairs of metal centers but do not contribute toward the overall connectivity of the framework. Co<sub>3</sub>(BDC)<sub>3</sub>(DPNO)<sub>2</sub> contains trimers of trans corner-shared Co-centered octahedra with one type of bridging BDC ligand forming terminal edges of the trimers, bridging to neighboring trimer units, and a second type, bridging pairs of metals and also connecting neighboring trimers. Co<sub>2</sub>(BDC)<sub>2</sub>(DPNDO) is constructed from one-dimensional inorganic chains consisting of cis- and trans-corner shared Co<sup>2+</sup>-centered octahedra. The DPNDO ligand is bis-bidentate, forming the edges of one type of octahedron and the trans corners of the second type, with the coordination for both octahedra completed by bridging BDC linkers, which in turn connect the inorganic chains to yield a three-dimensional structure. Thermogravimetric analysis shows both materials contain trapped solvent, and while Co<sub>3</sub>(BDC)<sub>3</sub>(DPNO)<sub>2</sub> is unstable with respect to solvent loss, Co<sub>2</sub>(BDC)<sub>2</sub>(DPNDO), and its magnesium analogue, can be desolvated to yield permanently porous materials that show thermal stability up to 300 °C. For Co<sub>2</sub>(BDC)<sub>2</sub>(DPNDO), gas adsorption studies show permanent microporosity with moderate uptake of small gas molecules (N<sub>2</sub>, CO<sub>2</sub>, CH<sub>4</sub>, and C<sub>2</sub>H<sub>6</sub>), supported by Grand Canonical Monte Carlo calculations based on the assumption of rigid crystal structures, while gravimetric analysis shows rapid and reversible methanol adsorption at ambient pressure for both the Co and Mg analogues of the framework.</p>