Defining the proton topology of the Zr6-based metal-organic framework NU-1000

Nora Planas, Joseph E. Mondloch, Samat Tussupbayev, Joshua Borycz, Laura Gagliardi, Joseph T Hupp, Omar K. Farha, Christopher J. Cramer

Research output: Contribution to journalArticle

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Abstract

Metal-organic frameworks (MOFs) constructed from Zr6-based nodes have recently received considerable attention given their exceptional thermal, chemical, and mechanical stability. Because of this, the structural diversity of Zr6-based MOFs has expanded considerably and in turn given rise to difficulty in their precise characterization. In particular it has been difficult to assign where protons (needed for charge balance) reside on some Zr6-based nodes. Elucidating the precise proton topologies in Zr6-based MOFs will have wide ranging implications in defining their chemical reactivity, acid/base characteristics, conductivity, and chemical catalysis. Here we have used a combined quantum mechanical and experimental approach to elucidate the precise proton topology of the Zr6-based framework NU-1000. Our data indicate that a mixed node topology, [Zr63-O)43-OH)4(OH)4 (OH2)4]8+, is preferred and simultaneously rule out five alternative node topologies. (Chemical Equation Presented).

Original languageEnglish
Pages (from-to)3716-3723
Number of pages8
JournalJournal of Physical Chemistry Letters
Volume5
Issue number21
DOIs
Publication statusPublished - Nov 6 2014

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Protons
topology
Metals
Topology
protons
metals
Chemical reactivity
Mechanical stability
Chemical stability
Catalysis
catalysis
Thermodynamic stability
thermal stability
reactivity
conductivity
acids
Acids

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Planas, N., Mondloch, J. E., Tussupbayev, S., Borycz, J., Gagliardi, L., Hupp, J. T., ... Cramer, C. J. (2014). Defining the proton topology of the Zr6-based metal-organic framework NU-1000. Journal of Physical Chemistry Letters, 5(21), 3716-3723. https://doi.org/10.1021/jz501899j

Defining the proton topology of the Zr6-based metal-organic framework NU-1000. / Planas, Nora; Mondloch, Joseph E.; Tussupbayev, Samat; Borycz, Joshua; Gagliardi, Laura; Hupp, Joseph T; Farha, Omar K.; Cramer, Christopher J.

In: Journal of Physical Chemistry Letters, Vol. 5, No. 21, 06.11.2014, p. 3716-3723.

Research output: Contribution to journalArticle

Planas, N, Mondloch, JE, Tussupbayev, S, Borycz, J, Gagliardi, L, Hupp, JT, Farha, OK & Cramer, CJ 2014, 'Defining the proton topology of the Zr6-based metal-organic framework NU-1000', Journal of Physical Chemistry Letters, vol. 5, no. 21, pp. 3716-3723. https://doi.org/10.1021/jz501899j
Planas, Nora ; Mondloch, Joseph E. ; Tussupbayev, Samat ; Borycz, Joshua ; Gagliardi, Laura ; Hupp, Joseph T ; Farha, Omar K. ; Cramer, Christopher J. / Defining the proton topology of the Zr6-based metal-organic framework NU-1000. In: Journal of Physical Chemistry Letters. 2014 ; Vol. 5, No. 21. pp. 3716-3723.
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