Regulating the architectures of hydrogen-bonded frameworks through topological enforcement

Yuzhou Liu, Wenchang Xiao, Jin Ju Yi, Chunhua Hu, Sang Jae Park, Michael Ward

Research output: Contribution to journalArticle

Abstract

The role of conformational flexibility in topological enforcement of several crystalline materials based on hydrogen-bonded two-dimensional guanidinium-sulfonate (GS) networks is demonstrated by using a series of organopolysulfonates that prompt the formation of either lamellar or cylindrical architectures. Whereas flexible organopolysulfonate linkers decorated with flexible arms self-assemble into lamellar architectures, rigid organopolysulfonates linkers enforce the formation of hydrogen-bonded cylinders with intercylinder spacing governed by the size of the linker. Specifically, hexagonal cylindrical structures generated from trisulfonates with three-fold molecular symmetry are the topological equivalent of the cylindrical hexagonal phases reported previously for guanidinium organomonosulfonate inclusion compounds, but neighboring cylinders are now connected through covalent nodes provided by the trisulfonates rather than dispersive interactions between the arene rings of the organomonosulfonates. Organopolysulfonates with moderate conformational freedom, however, can generate both lamellar and cylindrical structures, depending on the guest molecules encapsulated by the host framework. These observations illustrate that the crystal architecture (i.e., lamellar vs cylindrical) and the shape of GS cylinders can be regulated in a predictable way by the molecular symmetries and conformational constraints of the organopolysulfonates building blocks.

Original languageEnglish (US)
Pages (from-to)3386-3392
Number of pages7
JournalJournal of the American Chemical Society
Volume137
Issue number9
DOIs
StatePublished - 2015

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Guanidine
Hydrogen
Crystalline materials
Crystals
Molecules

ASJC Scopus subject areas

  • Chemistry(all)
  • Catalysis
  • Biochemistry
  • Colloid and Surface Chemistry

Cite this

Regulating the architectures of hydrogen-bonded frameworks through topological enforcement. / Liu, Yuzhou; Xiao, Wenchang; Yi, Jin Ju; Hu, Chunhua; Park, Sang Jae; Ward, Michael.

In: Journal of the American Chemical Society, Vol. 137, No. 9, 2015, p. 3386-3392.

Research output: Contribution to journalArticle

Liu, Yuzhou ; Xiao, Wenchang ; Yi, Jin Ju ; Hu, Chunhua ; Park, Sang Jae ; Ward, Michael. / Regulating the architectures of hydrogen-bonded frameworks through topological enforcement. In: Journal of the American Chemical Society. 2015 ; Vol. 137, No. 9. pp. 3386-3392.
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