Guest shape-responsive fitting of porous coordination polymer with shrinkable framework

Ryotaro Matsuda, Ryo Kitaura, Susumu Kitagawa, Yoshiki Kubota, Tatsuo Kobayashi, Satoshi Horike, Masaki Takata

Research output: Contribution to journalArticle

267 Citations (Scopus)

Abstract

In situ synchrotron X-ray powder diffraction patterns of porous coordination polymers {[Cu2-(pzdc)2(bpy)]·G} have been measured (pzdc = pyrazine-2,3-dicarboxylate, bpy = 4,4′-bipyridine) (where G = H2O for CPL-2 ⊃ H2O, G = benzene for CPL-2 ⊃ benzene, and G = void for the apohost). The structures of apohost and CPL-2 ⊃ benzene were determined from Rietveld analysis. Adsorption of benzene in the channels induced a remarkable contraction in the crystal (b axis; 6.8%, volume; 4.9%), although the channels were occupied by the benzene molecules. This crystal transformation provides a new pore structure that is well suited for benzene molecules, and we denote it as a "shape-responsive fitting" transformation. This type of pore gives rise to a new guideline: frameworks can be composed of flexible motifs that are linked via strong bond and/or stiff motifs that are connected via weaker bonds.

Original languageEnglish
Pages (from-to)14063-14070
Number of pages8
JournalJournal of the American Chemical Society
Volume126
Issue number43
DOIs
Publication statusPublished - Nov 3 2004

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Benzene
Polymers
Pyrazines
Powder Diffraction
Rietveld analysis
Crystals
Synchrotrons
Molecules
Pore structure
X-Ray Diffraction
X ray powder diffraction
Diffraction patterns
Adsorption
Guidelines

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

Guest shape-responsive fitting of porous coordination polymer with shrinkable framework. / Matsuda, Ryotaro; Kitaura, Ryo; Kitagawa, Susumu; Kubota, Yoshiki; Kobayashi, Tatsuo; Horike, Satoshi; Takata, Masaki.

In: Journal of the American Chemical Society, Vol. 126, No. 43, 03.11.2004, p. 14063-14070.

Research output: Contribution to journalArticle

Matsuda, R, Kitaura, R, Kitagawa, S, Kubota, Y, Kobayashi, T, Horike, S & Takata, M 2004, 'Guest shape-responsive fitting of porous coordination polymer with shrinkable framework', Journal of the American Chemical Society, vol. 126, no. 43, pp. 14063-14070. https://doi.org/10.1021/ja046925m
Matsuda, Ryotaro ; Kitaura, Ryo ; Kitagawa, Susumu ; Kubota, Yoshiki ; Kobayashi, Tatsuo ; Horike, Satoshi ; Takata, Masaki. / Guest shape-responsive fitting of porous coordination polymer with shrinkable framework. In: Journal of the American Chemical Society. 2004 ; Vol. 126, No. 43. pp. 14063-14070.
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