Core expansion of bis-calix[4]arene-supported clustersElectronic supplementary information (ESI) available: Experimental and additional figures to support discussion. CCDC 1484325 and 1484326. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/c6cc08059f

Calix[4]arenes are excellent ligand supports for the synthesis of polymetallic clusters of transition and lanthanide metal ions, as well as 3d-4f ion mixtures. Bis-calix[4]arene, a recent addition to the calixarene family, forms structurally related cages that mirror the metal ion binding preference...

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Main Authors: Coletta, Marco, McLellan, Ross, Waddington, Amy, Sanz, Sergio, Gagnon, Kevin J, Teat, Simon J, Brechin, Euan K, Dalgarno, Scott J
Format: Article
Language:English
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Summary:Calix[4]arenes are excellent ligand supports for the synthesis of polymetallic clusters of transition and lanthanide metal ions, as well as 3d-4f ion mixtures. Bis-calix[4]arene, a recent addition to the calixarene family, forms structurally related cages that mirror the metal ion binding preferences of calix[4]arene. Here we show that stoichiometric control causes remarkable expansion in the cores of two known bis-calix[4]arene-supported clusters, with concomitant changes to the magnetic properties observed. Stoichiometric control allows for remarkable expansion of the cores of two known bis-calix[4]arene-supported clusters, with concomitant changes to the magnetic properties.
ISSN:1359-7345
1364-548X
DOI:10.1039/c6cc08059f