Issue 18, 2012
From the journal:

Dalton Transactions

Investigating the solid state hosting abilities of homo- and hetero-valent [Co7] metallocalix[6]arenes†

Seán T. Meally,a   Cecelia McDonald,a   Patrick Kealy,a   Stephanie M. Taylor,b   Euan K. Brechinb  and  Leigh F. Jones*a  

* Corresponding authors

a School of Chemistry, National University of Ireland Galway, University Road, Galway, Ireland
E-mail: leigh.jones@nuigalway.ie
Tel: +353 091-49-3462

b EaStCHEM School of Chemistry, Joseph Black Building, University of Edinburgh, West Mains Road, Edinburgh, Scotland

Abstract

A family of homo-valent [Co(II)7(OH)6(L1)6](NO3)2 (1), [(MeOH)2⊂Co(II)7(OH)6(L1)6](NO3)2 (2) (where L1H = 2-iminomethyl-6-methoxyphenol) and hetero-valent [(NO3)2⊂Co(III)Co(II)6(OH)6(L2)6](NO3)·3MeCN (4) (where L2H = 2-iminophenyl-6-methoxyphenol) complexes possess metallic skeletons describing planar hexagonal discs. Their organic exteriors form double-bowl shaped topologies, and coupled with their 3-D connectivity, this results in the formation of molecular cavities in the solid state. These confined spaces are shown to behave as host units in the solid state for guests including solvent molecules and charge balancing counter anions. Magnetic susceptibility measurements on 2 and 4 reveal weak ferro- and ferrimagnetism, respectively. The utilisation of other Co(II) salt precursors gives rise to entirely different species including the mononuclear and trinuclear complexes [Co(II)(L2)2] (5) and [Co(III)2Na(I)1(L3)6](BF4) (6) (where L3H = 2-iminomethyl-4-bromo-6-methoxyphenol).

Graphical abstract: Investigating the solid state hosting abilities of homo- and hetero-valent [Co7] metallocalix[6]arenes

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Article information

DOI
https://doi.org/10.1039/C2DT12229D
Article type
Paper
Submitted
21 Nov 2011
Accepted
14 Feb 2012
First published
14 Mar 2012

Dalton Trans., 2012,41, 5610-5616

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Investigating the solid state hosting abilities of homo- and hetero-valent [Co7] metallocalix[6]arenes

S. T. Meally, C. McDonald, P. Kealy, S. M. Taylor, E. K. Brechin and L. F. Jones, Dalton Trans., 2012, 41, 5610 DOI: 10.1039/C2DT12229D

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