Published in
Royal Society of Chemistry, Dalton Transactions, 39(43), p. 14550-14553, 2014
DOI: 10.1039/c4dt02337d
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Variation of guest selectivity within [Fe₄L₄]⁸⁺ tetrahedral cages through subtle modification of the face-capping ligand
Journal article published in 2014 by
Alan Ferguson,
Robert Willaim Staniland,
Christopher M. Fitchett,
Marie A. Squire,
Paul E. Kruger 
,
Bryce E. Williamson
,
Bryce E. Williamson
This paper is available in a repository.
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Abstract
We report here the host–guest behaviour of two isoelectronic [Fe₄L₄]⁸⁺ tetrahedral cages that differ only in the nature of their face-capping ligand and possess either triazine (L1) or benzene (L2) cores. Crystallography reveals these hosts to be flexible and adaptable, while NMR spectroscopy shows them to be selective and discriminating in their host–guest behaviour.