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https://hdl.handle.net/2440/23529
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Type: | Journal article |
Title: | A structural study of the synergic envelopment of acetonitrile by a UJI) activated molecular receptor formed from cyclen with appended 2-hydroxy-3-phenylpropyl moieties |
Author: | Robinson, T. Wyness, O. Lincoln, S. Taylor, M. Tiekink, E. Wainwright, K. |
Citation: | Inorganica Chimica Acta, 2006; 359(5):1413-1420 |
Publisher: | Elsevier Science SA |
Issue Date: | 2006 |
ISSN: | 0020-1693 1873-3255 |
Statement of Responsibility: | Timothy S. Robinson, Oska Wyness, Stephen F. Lincoln, Max R. Taylor, Edward R.T. Tiekink and Kevin P. Wainwright |
Abstract: | The newly synthesised metal ion activated molecular receptor [Cd{1,4,7,10-tetrakis((R)-(-)-2-hydroxy-3-phenylpropyl)-1,4,7, 10-tetraazacyclododecane}](ClO4)2 (hereafter [CdL](ClO4)2) acts as a molecular receptor for acetonitrile. The receptor was characterised by X-ray crystallography in its metal free form, as its Cd(II) complex with no included molecule, as its Cd(II) complex with an included acetonitrile molecule and, for comparative purposes, as its Zn(II) complex with a partially included acetonitrile molecule. These structural studies demonstrated that the Cd(II) complex is eight-coordinate, with the potential to form a well defined hydrophobic cavity that can contain one acetonitrile molecule through four hydrogen-bonds, whereas the Zn(II) complex is six-coordinate, with a less rigidly constituted binding cavity, such that when solvated by acetonitrile the solvating molecule is retained by only a single hydrogen-bond. © 2005 Elsevier B.V. All rights reserved. |
Keywords: | Molecular receptor Crystal structure Variable temperature NMR Macrocyclic ligand Cd(II) complexes |
Description: | Copyright © 2005 Elsevier B.V. All rights reserved. |
DOI: | 10.1016/j.ica.2005.09.018 |
Description (link): | http://www.elsevier.com/wps/find/journaldescription.cws_home/504086/description#description |
Published version: | http://dx.doi.org/10.1016/j.ica.2005.09.018 |
Appears in Collections: | Aurora harvest 2 Chemistry publications Environment Institute publications |
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