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  • Amombo Noa, Francoise Mystere,1988Chalmers tekniska högskola,Chalmers University of Technology,Chalmers Univ Technol, Dept Chem & Chem Engn, Chem & Biochem, SE-41296 Gothenburg, Sweden (author)

Metal-Organic Frameworks with Hexakis(4-carboxyphenyl)benzene: Extensions to Reticular Chemistry and Introducing Foldable Nets

  • Article/chapterEnglish2020

Publisher, publication year, extent ...

  • 2020-04-21
  • American Chemical Society (ACS),2020
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:research.chalmers.se:8f54dfe6-94f8-4592-8d3f-e47aa38743c5
  • https://research.chalmers.se/publication/517520URI
  • https://doi.org/10.1021/jacs.0c02984DOI
  • https://research.chalmers.se/publication/517920URI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-182957URI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-415267URI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:art swepub-publicationtype
  • Subject category:ref swepub-contenttype

Notes

  • Nine metal-organic frameworks have been prepared with the hexagon-shaped linker 1,2,3,4,5,6-hexakis(4-carboxyphenyl)-benzene (H(6)cpb) by solvothermal reactions in dimethylformamide (dmf) or dimethylacetamide (dmac) with acetic acid or formic acid as modulators: [Bi-2(cpb)(acetato)(2)(dmf)(2)]center dot 2dmf CTH-6 forms a rtl-net; 2(H2NMe2)[Cu-2(cpb)] CTH-7 forms a kgd-net; [Fe-4(cpb)-(acetato)(2)(dmf)(4)] CTH-8 and [Co-4(cpb)(acetato)(2)(dmf)(4)] CTH-9 are isostructural and form yav-nets; 2(HNEt3)[Fe-2(cpb)] CTH-10 and the two polymorphs of 2(H2NMe2)[Zn-2(cpb)]center dot 1.5dmac, Zn-MOF-888 and CTH-11, show kgd-nets; [Cu-2(cpb)-(acetato)(2)(dmf)(2)]center dot 2dmf, CTH-12, forms a mixed coordination and hydrogen-bonded sql-net; and 2(H2NMe2)[Zn-2(cpb)] CTH-13, a similarly mixed yav-net. Surface area values (Brunauer-Emmett-Teller, BET) range from 34 m(2) g(-1) for CTH-12 to 303 m(2) g(-1) for CTH-9 for samples activated at 120 degrees C in dynamic vacuum. All compounds show normal (10-fold higher) molar CO2 versus N-2 uptake at 298 K, except the 19-fold CO2 uptake for CTH-12 containing Cu(II) dinuclear paddle-wheels. We also show how perfect hexagons and triangles can combine to a new 3D topology laf, a model of which gave us the idea of foldable network topologies, as the laf-net can fold into a 2D form while retaining the local geometry around each vertex. Other foldable nets identified are cds, cds-a, ths, sqc163, clh, jem, and tfc covering the basic polygons and their combinations. The impact of this concept on "breathing" MOFs is discussed. I-2 sorption, both from gas phase and from MeOH solution, into CTH-7 were studied by time of flight secondary ion mass spectrometry (ToF-SIMS) on dried crystals. I-2 was shown to have penetrated the crystals, as layers were consecutively peeled off by the ion beam. We suggest ToF-SIMS to be a method for studying sorption depth profiles of MOFs.

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Added entries (persons, corporate bodies, meetings, titles ...)

  • Svensson Grape, ErikStockholms universitet,Institutionen för material- och miljökemi (MMK),Stockholm University,Stockholm Univ, Dept Mat & Environm Chem, SE-10691 Stockholm, Sweden(Swepub:su)ersv6431 (author)
  • Brülls, Steffen,1991Chalmers tekniska högskola,Chalmers University of Technology,Chalmers Univ Technol, Dept Chem & Chem Engn, Chem & Biochem, SE-41296 Gothenburg, Sweden(Swepub:cth)brullss (author)
  • Cheung, OceanUppsala universitet,Nanoteknologi och funktionella material(Swepub:uu)ocech274 (author)
  • Malmberg, Per,1974Chalmers tekniska högskola,Chalmers University of Technology,Chalmers Univ Technol, Dept Chem & Chem Engn, Chem & Biochem, SE-41296 Gothenburg, Sweden(Swepub:cth)malmper (author)
  • Inge, A. KenStockholms universitet,Institutionen för material- och miljökemi (MMK),Stockholm University,Stockholm Univ, Dept Mat & Environm Chem, SE-10691 Stockholm, Sweden(Swepub:su)ainge (author)
  • McKenzie, Christine J.Syddansk Universitet,University of Southern Denmark,Univ Southern Denmark, Dept Phys Chem & Pharm, DK-5230 Odense M, Denmark (author)
  • Mårtensson, Jerker,1965Chalmers tekniska högskola,Chalmers University of Technology,Chalmers Univ Technol, Dept Chem & Chem Engn, Chem & Biochem, SE-41296 Gothenburg, Sweden(Swepub:cth)jerker (author)
  • Öhrström, Lars,1963Chalmers tekniska högskola,Chalmers University of Technology,Chalmers Univ Technol, Dept Chem & Chem Engn, Chem & Biochem, SE-41296 Gothenburg, Sweden(Swepub:cth)ohrstrom (author)
  • Chalmers tekniska högskolaChalmers Univ Technol, Dept Chem & Chem Engn, Chem & Biochem, SE-41296 Gothenburg, Sweden (creator_code:org_t)

Related titles

  • In:Journal of the American Chemical Society: American Chemical Society (ACS)142:20, s. 9471-94811520-51260002-7863

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