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The Organic Secondary Building Unit: Strong Intermolecular pi Interactions Define Topology in MIT-25, a Mesoporous MOF with Proton-Replete Channels

Park, SS, Hendon, CH, Fielding, AJ, Walsh, A, O'Keeffe, M and Dinca, M (2017) The Organic Secondary Building Unit: Strong Intermolecular pi Interactions Define Topology in MIT-25, a Mesoporous MOF with Proton-Replete Channels. Journal of the American Chemical Society, 139 (10). pp. 3619-3622. ISSN 0002-7863

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Abstract

The structure-directing role of the inorganic sec-ondary building unit (SBU) is key for determining the topology of metal-organic frameworks (MOFs). Here, we show that organic building units relying on strong π interactions that are energetical-ly competitive with the formation of common inorganic SBUs, and can play a role in defining topology. We demonstrate the importance of the organic SBU in the formation of Mg2H6(H3O)(TTFTB)3, a mesoporous MOF with the new ssp topology. A delocalized electronic hole is critical in the stabiliza-tion of the TTF triad organic SBUs and exemplifies a design prin-ciple for future MOF synthesis.

Item Type: Article
Uncontrolled Keywords: 03 Chemical Sciences
Subjects: Q Science > QD Chemistry
Divisions: Pharmacy & Biomolecular Sciences
Publisher: American Chemical Society
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Date Deposited: 10 Dec 2018 10:38
Last Modified: 13 Dec 2018 12:36
DOI or Identification number: 10.1021/jacs.6b13176
URI: http://researchonline.ljmu.ac.uk/id/eprint/9790

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