γ-Cyclodextrin cuprate sandwich-type complexes

Abdulaziz A. Bagabas, Marco Frasconi, Julien Iehl, Brad Hauser, Omar K. Farha, Joseph T Hupp, Karel J. Hartlieb, Youssry Y. Botros, J. Fraser Stoddart

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Three structures, based on γ-cyclodextrin (γ-CD) and metal ions (Cu2+, Li+, Na+, and Rb+), have been prepared in aqueous and alkaline media and characterized structurally by single-crystal X-ray diffraction. Their dimeric assemblies adopt cylindrical channels along the c axes in the crystals. Coordinative and hydrogen bonding between the cylinders and the solvent molecules lead to the formation of two-dimensional sheets, with the identity of the alkali-metal ion strongly influencing the precise nature of the solid-state structures. In the case of the Rb+ complex, coordinative bonding involving the Rb+ ions leads to the formation of an extended two-dimensional structure. Nonbound solvent molecules can be removed, and gas isotherm analyses confirm the permanent porosity of these new complexes. Carbon dioxide (CO2) adsorption studies show that the extended structure, obtained upon crystallization of the Rb+-based sandwich-type dimers, has the highest CO2 sequestration ability of the three γ-CD complexes reported.

Original languageEnglish
Pages (from-to)2854-2861
Number of pages8
JournalInorganic Chemistry
Volume52
Issue number6
DOIs
Publication statusPublished - Mar 18 2013

Fingerprint

Cyclodextrins
cuprates
Metal ions
metal ions
Alkali Metals
Molecules
Crystallization
Carbon Dioxide
Dimers
alkali metals
assemblies
Isotherms
carbon dioxide
molecules
Hydrogen bonds
isotherms
Porosity
Gases
dimers
Single crystals

ASJC Scopus subject areas

  • Inorganic Chemistry
  • Physical and Theoretical Chemistry

Cite this

Bagabas, A. A., Frasconi, M., Iehl, J., Hauser, B., Farha, O. K., Hupp, J. T., ... Stoddart, J. F. (2013). γ-Cyclodextrin cuprate sandwich-type complexes. Inorganic Chemistry, 52(6), 2854-2861. https://doi.org/10.1021/ic301795j

γ-Cyclodextrin cuprate sandwich-type complexes. / Bagabas, Abdulaziz A.; Frasconi, Marco; Iehl, Julien; Hauser, Brad; Farha, Omar K.; Hupp, Joseph T; Hartlieb, Karel J.; Botros, Youssry Y.; Stoddart, J. Fraser.

In: Inorganic Chemistry, Vol. 52, No. 6, 18.03.2013, p. 2854-2861.

Research output: Contribution to journalArticle

Bagabas, AA, Frasconi, M, Iehl, J, Hauser, B, Farha, OK, Hupp, JT, Hartlieb, KJ, Botros, YY & Stoddart, JF 2013, 'γ-Cyclodextrin cuprate sandwich-type complexes', Inorganic Chemistry, vol. 52, no. 6, pp. 2854-2861. https://doi.org/10.1021/ic301795j
Bagabas AA, Frasconi M, Iehl J, Hauser B, Farha OK, Hupp JT et al. γ-Cyclodextrin cuprate sandwich-type complexes. Inorganic Chemistry. 2013 Mar 18;52(6):2854-2861. https://doi.org/10.1021/ic301795j
Bagabas, Abdulaziz A. ; Frasconi, Marco ; Iehl, Julien ; Hauser, Brad ; Farha, Omar K. ; Hupp, Joseph T ; Hartlieb, Karel J. ; Botros, Youssry Y. ; Stoddart, J. Fraser. / γ-Cyclodextrin cuprate sandwich-type complexes. In: Inorganic Chemistry. 2013 ; Vol. 52, No. 6. pp. 2854-2861.
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