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Synthesis and Structure Determination of 1, 4, 7, 11, 14, 17, 21, 24, 27-Nonaoxatriacontan-8, 10, 18, 20, 28, 30-Esaone

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Abstract

The title compound crystallizes in the trigonal space group R-3, with unit-cell parameters: a = 23.261(4), c = 9.537(2) Å; λ(MoKα) = 0.71073 Å, V = 4469(2) Å3, and Z = 6. The structure has been solved by direct methods using X-ray diffraction techniques. The final reliability index for the computed structure is 0.0826 for 929 observed reflections and 121 refined parameters. Crown ether adopts an almost circular shape and macrocycles are piled up in a columnar arrangement forming tubular nanochannels. The channels are filled with guest CDCl3 molecules, characterised by rotational disorder.

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Acknowledgements

We gratefully acknowledge funding from MIUR (PRIN 2004-2004033354 to D.P.) and from the University of Pavia (FAR 2001–2005 to D.P. and P.P.).

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Authors and Affiliations

  1. Dipartimento di Chimica Organica, Università di Pavia, Viale Taramelli 10, Pavia, 27100, Italy

    Dario Pasini & Pierpaolo Righetti

  2. Dipartimento di Scienze della Terra, Università di Pavia, Via Ferrata 1, Pavia, 27100, Italy

    Michele Zema

  3. CNR-IGG, Sezione di Pavia, Via Ferrata 1, Pavia, 27100, Italy

    Michele Zema

Authors
  1. Dario Pasini
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  2. Michele Zema
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  3. Pierpaolo Righetti
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Correspondence to Michele Zema.

Supplementary Material

Supplementary Material

CCDC-634235 contains the supplementary crystallographic data for this paper. These data can be obtained free of charge at www.ccdc.cam.an.uk/uk/conts/retrieving.html or from the Cambridge Crystallographic Data Centre(CCDC), 12 Union Road, Cambridge CB2 1EZ, United Kingdom; Fax: +44-1223-336033; e-mail: deposit@ccdc.cam.ac.uk.

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Pasini, D., Zema, M. & Righetti, P. Synthesis and Structure Determination of 1, 4, 7, 11, 14, 17, 21, 24, 27-Nonaoxatriacontan-8, 10, 18, 20, 28, 30-Esaone. J Chem Crystallogr 37, 537–541 (2007). https://doi.org/10.1007/s10870-007-9205-x

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