Cation- and anion-exchanges induce multiple distinct rearrangements within metallosupramolecular architectures

Riddell, Imogen A., Ronson, Tanya K., Clegg, Jack K., Wood, Christopher S., Bilbeisi, Rana A. and Nitschke, Jonathan R. (2014) Cation- and anion-exchanges induce multiple distinct rearrangements within metallosupramolecular architectures. Journal of the American Chemical Society, 136 26: 9491-9498. doi:10.1021/ja504748g

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Author Riddell, Imogen A.
Ronson, Tanya K.
Clegg, Jack K.
Wood, Christopher S.
Bilbeisi, Rana A.
Nitschke, Jonathan R.
Title Cation- and anion-exchanges induce multiple distinct rearrangements within metallosupramolecular architectures
Journal name Journal of the American Chemical Society   Check publisher's open access policy
ISSN 0002-7863
Publication date 2014-07-02
Year available 2014
Sub-type Article (original research)
DOI 10.1021/ja504748g
Open Access Status
Volume 136
Issue 26
Start page 9491
End page 9498
Total pages 8
Place of publication Washington, DC United States
Publisher American Chemical Society
Collection year 2015
Language eng
Abstract Different anionic templates act to give rise to four distinct Cd II-based architectures: a Cd2L3 helicate, a Cd8L12 distorted cuboid, a Cd10L15 pentagonal prism, and a Cd12L18 hexagonal prism, which respond to both anionic and cationic components. Interconversions between architectures are driven by the addition of anions that bind more strongly within a given product framework. The addition of FeII prompted metal exchange and transformation to a Fe4L6 tetrahedron or a Fe10L15 pentagonal prism, depending on the anionic templates present. The equilibrium between the Cd12L18 prism and the Cd2L3 triple helicate displayed concentration dependence, with higher concentrations favoring the prism. The Cd12L18 structure serves as an intermediate en route to a hexafluoroarsenate-templated Cd10L15 complex, whereby the structural features of the hexagonal prism preorganize the system to form the structurally related pentagonal prism. In addition to the interconversion pathways investigated, we also report the single-crystal X-ray structure of bifluoride encapsulated within a Cd10L15 complex and report solution state data for J-coupling through a CH··· F- hydrogen bond indicating the strength of these interactions in solution.
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Publication Date (Web): June 6, 2014

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2015 Collection
School of Chemistry and Molecular Biosciences
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