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On The Clathratogenic Properties of the Ni (NCS)2(4-Vinylpyridine)4 Host

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Clathrate Compounds, Molecular Inclusion Phenomena, and Cyclodextrins

Part of the book series: Advances in Inclusion Science ((AIS,volume 3))

Abstract

The crystal structure of the non-clathrated α-Ni(NCS)2 (4-Vinylpyridine)4 complex was solved and refined to R=0.055 (crystal data: a=ll.27(3)3, b=16.86(l), c=32.06(l) Z = 8, V=6092 Å3; Pbca; dx =1.30 g. cm-3). The complex molecule adopts an asymmetric, windmill conformation of the four pyridine ligands. The α -phase was used as a solid substrate for clathration of liquid o-, m- and p-xylene, at 25°C. The composition of the products, the enthalpies of clathration and kinetic course of the processes were investigated. The clathration enthalpies, per mole of the host, are equal to 17.07, 14.1 and 21.77 kJ and correspond to the 1.05, 1.11 and 1.30 guest/host molar ratios for, respectively, ortho, meta and para-xylene. The clathration rates follow the order para>ortho>meta. The results are discussed from the structural point of view.

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References

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Authors and Affiliations

  1. Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01 224, Warszawa, Poland

    Janusz Lipkowski, Kinga Suwinska, Jacek Hatt, Anna Zielenkiewicz & Wojciech Zielenkiewicz

Authors
  1. Janusz Lipkowski
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  2. Kinga Suwinska
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  3. Jacek Hatt
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  4. Anna Zielenkiewicz
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  5. Wojciech Zielenkiewicz
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Editor information

Editors and Affiliations

  1. Department of Chemistry, University of Alabama, USA

    Jerry L. Atwood

  2. Department of Chemistry, University of Lancaster, UK

    J. Eric D. Davies

  3. Pharmaceutical Institute, Tohoku University, Aobayama, Japan

    Tetsuo Osa

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© 1984 D. Reidel Publishing Company

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Lipkowski, J., Suwinska, K., Hatt, J., Zielenkiewicz, A., Zielenkiewicz, W. (1984). On The Clathratogenic Properties of the Ni (NCS)2(4-Vinylpyridine)4 Host. In: Atwood, J.L., Davies, J.E.D., Osa, T. (eds) Clathrate Compounds, Molecular Inclusion Phenomena, and Cyclodextrins. Advances in Inclusion Science, vol 3. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-5376-5_35

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  • DOI: https://doi.org/10.1007/978-94-009-5376-5_35

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-010-8872-5

  • Online ISBN: 978-94-009-5376-5

  • eBook Packages: Springer Book Archive

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