Structure and Properties of the Cryptophane-E/CHCl3 Complex, a Stable van der Waals Molecule

Authors

  • Dr. Josette Canceill,

    1. Equipe de Recherche du C.N.R.S. No. 285, Chimie des Interactions Moléculaires, Collège de France 11, place Marcelin-Berthelot, F-75231 Paris Cedex 05 (France)
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  • Dr. Michèle Cesario,

    1. Institut de Chimie des Substances Naturelles, C.N.R.S.B.P. 1, F-91190 Gif-sur-Yvette (France)
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  • Prof. Dr. André Collet,

    Corresponding author
    1. U.M.R. C.N.R.S.-E.N.S.L. 117, Stéréochimie et Interactions Moléculaires, Ecole Normale Supérieure de Lyon 46, allée d'Italie, F-69364 Lyon Cedex 07 (France)
    • U.M.R. C.N.R.S.-E.N.S.L. 117, Stéréochimie et Interactions Moléculaires, Ecole Normale Supérieure de Lyon 46, allée d'Italie, F-69364 Lyon Cedex 07 (France)
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  • Dr. Jean Guilhem,

    1. Institut de Chimie des Substances Naturelles, C.N.R.S.B.P. 1, F-91190 Gif-sur-Yvette (France)
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  • Liliane Lacombe,

    1. Equipe de Recherche du C.N.R.S. No. 285, Chimie des Interactions Moléculaires, Collège de France 11, place Marcelin-Berthelot, F-75231 Paris Cedex 05 (France)
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  • Dr. Bénédicte Lozach,

    1. U.M.R. C.N.R.S.-E.N.S.L. 117, Stéréochimie et Interactions Moléculaires, Ecole Normale Supérieure de Lyon 46, allée d'Italie, F-69364 Lyon Cedex 07 (France)
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  • Dr. Claudine Pascard

    1. Institut de Chimie des Substances Naturelles, C.N.R.S.B.P. 1, F-91190 Gif-sur-Yvette (France)
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  • We are grateful to Région Rhône-Alpes and Société LIPHA for a grant (to B. L.)

Abstract

original image

In the absence of hydrophobic effects, the driving force for complexation between neutral host and guest molecules (e.g., cryptophane E and halomethanes) is a function of several factors. If size and form are suitable, as in the CHC13 complex 1, complexation is enthalpy driven, and stable supermolecules result (“van der Waals molecules”).

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