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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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Vitorica-Yrezabal, Inigo J.
Universidad de Granada
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (14/14 displayed)
- 2024Two‐ and Three‐Spin Hybrid Inorganic‐Organic [2]Rotaxanes Containing Metallated Salen Groups
- 2022Adsorption of sulphur dioxide in Cu(II)-carboxylate framework materials: the role of ligand functionalisation and open metal sites
- 2022Investigating the effect of steric hindrance within CdS single-source precursors on the material properties of AACVD and spin coat-deposited CdS thin filmscitations
- 2021Structural investigations of α-MnS nanocrystals and thin films synthesised from manganese(II) xanthates by hot injection, solvent-less thermolysis and doctor blade routes.citations
- 2020Single-Step Enantioselective Synthesis of Mechanically Planar Chiral [2]Rotaxanes Using a Chiral Leaving Group Strategycitations
- 2020Single-Step Enantioselective Synthesis of Mechanically Planar Chiral [2]Rotaxanes Using a Chiral Leaving Group Strategycitations
- 2019Synthesis of Iron Sulfide Thin Films and Powders from New Xanthate Precursorscitations
- 2019Chemical vapor deposition of tin sulfide from diorganotin(IV) dixanthatescitations
- 2019Accessing γ-Ga2S3 by solventless thermolysis of gallium xanthates: A low temperature limit for crystalline products?citations
- 2018Synthesis of Nanostructured Powders and Thin Films of Iron Sulfide from Molecular Precursorscitations
- 2018The synthesis of a monodisperse quaternary ferrite (FeCoCrO4) from the hot injection thermolysis of the single source precursor [CrCoFeO(O2C: TBu)6(HO2CtBu)3]citations
- 2017The synthesis of group 10 and 11 metal complexes of 3,6,9-trithia- 1-(2,6)-pyridinacyclodecaphane and their use in A3-coupling reactionscitations
- 2017Arene guest selectivity and pore flexibility in a metal–organic framework with semi-fluorinated channel wallscitations
- 2017Portraying entanglement between molecular qubits with four-dimensional inelastic neutron scatteringcitations
Places of action
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article
Arene guest selectivity and pore flexibility in a metal–organic framework with semi-fluorinated channel walls
Abstract
<jats:p>A metal–organic framework (MOF) with one-dimensional channels of approximately hexagonal cross-section [Ag<jats:sub>2</jats:sub>(O<jats:sub>2</jats:sub>CCF<jats:sub>2</jats:sub>CF<jats:sub>2</jats:sub>CO<jats:sub>2</jats:sub>)(TMP)]<jats:bold>1</jats:bold>(TMP =2,3,5,6-tetramethylpyrazine) has been synthesized with MeOH filling the channels in its as-synthesized form as [Ag<jats:sub>2</jats:sub>(O<jats:sub>2</jats:sub>CCF<jats:sub>2</jats:sub>CF<jats:sub>2</jats:sub>CO<jats:sub>2</jats:sub>)(TMP)]·<jats:italic>n</jats:italic>(MeOH)<jats:bold>1-MeOH</jats:bold>(<jats:italic>n</jats:italic> = 1.625 by X-ray crystallography). The two types of ligand connect columns of Ag(I) centres in an alternating manner, both around the channels and along their length, leading to an alternating arrangement of hydrocarbon (C–H) and fluorocarbon (C–F) groups lining the channel walls, with the former groups projecting further into the channel than the latter. MeOH solvent in the channels can be exchanged for a variety of arene guests, ranging from xylenes to tetrafluorobenzene, as confirmed by gas chromatography,<jats:sup>1</jats:sup>H nuclear magnetic resonance (NMR) spectroscopy, thermogravimetric analysis and<jats:sup>13</jats:sup>C cross-polarization magic angle spinning NMR spectroscopy. Alkane and perfluoroalkane guests, however, do not enter the channels. Although exhibiting some stability under a nitrogen atmosphere, sufficient to enable crystal structure determination, the evacuated MOF<jats:bold>1</jats:bold>is unstable for periods of more than minutes under ambient conditions or upon heating, whereupon it undergoes an irreversible solid-state transformation to a non-porous polymorph<jats:bold>2</jats:bold>, which comprises Ag<jats:sub>2</jats:sub>(O<jats:sub>2</jats:sub>CCF<jats:sub>2</jats:sub>CF<jats:sub>2</jats:sub>CO<jats:sub>2</jats:sub>) coordination layers that are pillared by TMP ligands. This transformation has been followed<jats:italic>in situ</jats:italic>by powder X-ray diffraction and shown to proceed via a crystalline intermediate.</jats:p><jats:p>This article is part of the themed issue ‘Coordination polymers and metal–organic frameworks: materials by design’.</jats:p>