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Article: Non-Interpenetrated Metal-Organic Frameworks Based on Copper(II) Paddlewheel and Oligoparaxylene-Isophthalate Linkers: Synthesis, Structure, and Gas Adsorption
Title | Non-Interpenetrated Metal-Organic Frameworks Based on Copper(II) Paddlewheel and Oligoparaxylene-Isophthalate Linkers: Synthesis, Structure, and Gas Adsorption |
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Authors | |
Issue Date | 2016 |
Citation | Journal of the American Chemical Society, 2016, v. 138, n. 10, p. 3371-3381 How to Cite? |
Abstract | Two metal-organic framework materials, MFM-130 and MFM-131 (MFM = Manchester Framework Material), have been synthesized using two oligoparaxylene (OPX) tetracarboxylate linkers containing four and five aromatic rings, respectively. Both fof-type non-interpenetrated networks contain Kagomé lattice layers comprising [Cu2(COO)4] paddlewheel units and isophthalates, which are pillared by the OPX linkers. Desolvated MFM-130, MFM-130a, shows permanent porosity (BET surface area of 2173 m2/g, pore volume of 1.0 cm3/g), high H2 storage capacity at 77 K (5.3 wt% at 20 bar and 2.2 wt% at 1 bar), and a higher CH4 adsorption uptake (163 cm3(STP)/cm3 (35 bar and 298 K)) compared with its structural analogue, NOTT-103. MFM-130a also shows impressive selective adsorption of C2H2, C2H4, and C2H6 over CH4 at room temperature, indicating its potential for separation of C2 hydrocarbons from CH4. The single-crystal structure of MFM-131 confirms that the methyl substituents of the paraxylene units block the windows in the Kagomé lattice layer of the framework, effectively inhibiting network interpenetration in MFM-131. This situation is to be contrasted with that of the doubly interpenetrated oligophenylene analogue, NOTT-104. Calculation of the mechanical properties of these two MOFs confirms and explains the instability of MFM-131 upon desolvation in contrast to the behavior of MFM-130. The incorporation of paraxylene units, therefore, provides an efficient method for preventing network interpenetration as well as accessing new functional materials with modified and selective sorption properties for gas substrates. |
Persistent Identifier | http://hdl.handle.net/10722/333167 |
ISSN | 2021 Impact Factor: 16.383 2020 SCImago Journal Rankings: 7.115 |
DC Field | Value | Language |
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dc.contributor.author | Yan, Yong | - |
dc.contributor.author | Juríček, Michal | - |
dc.contributor.author | Coudert, François Xavier | - |
dc.contributor.author | Vermeulen, Nicolaas A. | - |
dc.contributor.author | Grunder, Sergio | - |
dc.contributor.author | Dailly, Anne | - |
dc.contributor.author | Lewis, William | - |
dc.contributor.author | Blake, Alexander J. | - |
dc.contributor.author | Stoddart, J. Fraser | - |
dc.contributor.author | Schröder, Martin | - |
dc.date.accessioned | 2023-10-06T05:17:14Z | - |
dc.date.available | 2023-10-06T05:17:14Z | - |
dc.date.issued | 2016 | - |
dc.identifier.citation | Journal of the American Chemical Society, 2016, v. 138, n. 10, p. 3371-3381 | - |
dc.identifier.issn | 0002-7863 | - |
dc.identifier.uri | http://hdl.handle.net/10722/333167 | - |
dc.description.abstract | Two metal-organic framework materials, MFM-130 and MFM-131 (MFM = Manchester Framework Material), have been synthesized using two oligoparaxylene (OPX) tetracarboxylate linkers containing four and five aromatic rings, respectively. Both fof-type non-interpenetrated networks contain Kagomé lattice layers comprising [Cu2(COO)4] paddlewheel units and isophthalates, which are pillared by the OPX linkers. Desolvated MFM-130, MFM-130a, shows permanent porosity (BET surface area of 2173 m2/g, pore volume of 1.0 cm3/g), high H2 storage capacity at 77 K (5.3 wt% at 20 bar and 2.2 wt% at 1 bar), and a higher CH4 adsorption uptake (163 cm3(STP)/cm3 (35 bar and 298 K)) compared with its structural analogue, NOTT-103. MFM-130a also shows impressive selective adsorption of C2H2, C2H4, and C2H6 over CH4 at room temperature, indicating its potential for separation of C2 hydrocarbons from CH4. The single-crystal structure of MFM-131 confirms that the methyl substituents of the paraxylene units block the windows in the Kagomé lattice layer of the framework, effectively inhibiting network interpenetration in MFM-131. This situation is to be contrasted with that of the doubly interpenetrated oligophenylene analogue, NOTT-104. Calculation of the mechanical properties of these two MOFs confirms and explains the instability of MFM-131 upon desolvation in contrast to the behavior of MFM-130. The incorporation of paraxylene units, therefore, provides an efficient method for preventing network interpenetration as well as accessing new functional materials with modified and selective sorption properties for gas substrates. | - |
dc.language | eng | - |
dc.relation.ispartof | Journal of the American Chemical Society | - |
dc.title | Non-Interpenetrated Metal-Organic Frameworks Based on Copper(II) Paddlewheel and Oligoparaxylene-Isophthalate Linkers: Synthesis, Structure, and Gas Adsorption | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1021/jacs.5b12312 | - |
dc.identifier.scopus | eid_2-s2.0-84961285310 | - |
dc.identifier.volume | 138 | - |
dc.identifier.issue | 10 | - |
dc.identifier.spage | 3371 | - |
dc.identifier.epage | 3381 | - |
dc.identifier.eissn | 1520-5126 | - |