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Quantification of stereochemical communication in metal–organic assemblies.

Castilla, A. M. and Miller, M. A. and Nitschke, J. R. and Smulders, M. M. J. (2016) 'Quantification of stereochemical communication in metal–organic assemblies.', Angewandte chemie international edition., 55 (36). pp. 10616-10620.

Abstract

The derivation and application of a statistical mechanical model to quantify stereochemical communication in metal–organic assemblies is reported. The factors affecting the stereochemical communication within and between the metal stereocenters of the assemblies were experimentally studied by optical spectroscopy and analyzed in terms of a free energy penalty per “incorrect” amine enantiomer incorporated, and a free energy of coupling between stereocenters. These intra- and inter-vertex coupling constants are used to track the degree of stereochemical communication across a range of metal–organic assemblies (employing different ligands, peripheral amines, and metals); temperature-dependent equilibria between diastereomeric cages are also quantified. The model thus provides a unified understanding of the factors that shape the chirotopic void spaces enclosed by metal–organic container molecules.

Item Type:Article
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Status:Peer-reviewed
Publisher Web site:http://dx.doi.org/10.1002/anie.201602968
Publisher statement:© 2016 The Authors. Published by Wiley-VCH Verlag GmbH & Co. KGaA. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
Date accepted:03 May 2016
Date deposited:23 August 2016
Date of first online publication:02 June 2016
Date first made open access:No date available

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