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Issue 41, 2016
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One-dimensional supramolecular columnar structure of trans-syn-trans-dicyclohexano[18]crown-6 and organic ammonium cations

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Abstract

Supramolecular crystals having one-dimensional (1d) columnar structures were constructed by using supramolecules based on tst-DCH[18]crown-6 (tst-DCH = trans-syn-trans-dicyclohexano). In the crystal of (Ani+)(tst-DCH[18]crown-6)[Ni(dmit)2] (1) and (m-FAni+)(tst-DCH[18]crown-6)[Ni(dmit)2] (2) (Ani+ = anilinium+, m-FAni+ = m-fluoroanilinium+, dmit2− = 2-thioxo-1,3-dithiole-4,5-dithiolate), the tst-DCH[18]crown-6 formed supramolecular cations with Ani+ and m-FAni+, respectively, through N–H⋯O hydrogen bonds. The planar conformation of tst-DCH[18]crown-6 molecules in the crystals provided bidirectional hydrogen bonding from the upper and lower side of the molecule that were the driving forces for the construction of the 1d supramolecular architecture. The results provided a method to control arrangements of crown ether-based supramolecules in 1d columns that could be used for channels and/or molecular nanomachines such as molecular rotators.

Graphical abstract: One-dimensional supramolecular columnar structure of trans-syn-trans-dicyclohexano[18]crown-6 and organic ammonium cations

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Publication details

The article was received on 27 Apr 2016, accepted on 08 Jul 2016 and first published on 19 Jul 2016


Article type: Paper
DOI: 10.1039/C6CE00980H
Citation: CrystEngComm, 2016,18, 7959-7964
  • Open access: Creative Commons BY-NC license
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    One-dimensional supramolecular columnar structure of trans-syn-trans-dicyclohexano[18]crown-6 and organic ammonium cations

    Y. Ohshima, K. Kubo, T. Matsumoto, H. Ye, S. Noro, T. Akutagawa and T. Nakamura, CrystEngComm, 2016, 18, 7959
    DOI: 10.1039/C6CE00980H

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