Exploring a series of isostructural dodecanuclear mixed ni:co clusters: toward the control of elemental composition using ph and stoichiometry

Cooper, G. J.T. , Newton, G. N., Long, D.-L. , Kogerler, P., Rosnes, M. H., Keller, M. and Cronin, L. (2009) Exploring a series of isostructural dodecanuclear mixed ni:co clusters: toward the control of elemental composition using ph and stoichiometry. Inorganic Chemistry, 48(3), pp. 1097-1104. (doi: 10.1021/ic802197u)

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Abstract

The compositional parameter space in the formation of polynuclear clusters is probed in the synthesis of a series of dodecanuclear coordination clusters of Ni-II and Co-II with isostructural D-3h-symmetric frameworks. At the core of their construction are a carbonate template and the directing ligands cis,trans-1,3,5-triaminocyclohexane and acetate at contrasting pH values. The pH and stoichiometric dependence has been mapped, and analysis by electrospray mass spectrometry reveals the cluster cores in solution. In two specific cases, site-specific occupations are eluded to by analysis of the magnetic properties, and we discuss the possibility of controlling the molecular composition of mixed metal polynuclear clusters.

Item Type:Articles
Keywords:CIS,Trans-1,3,5-triaminocyclohexane, cluster, clusters, cobalt complexes coordination coordination clusters core cores dependence frameworks ligand, ligands magnetic-properties, manganese, mass spectrometry, nanoscale. Networks, nickel, ph, polynuclear, single-molecule magnet, spin clusters, temperature. Template.
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Long, Dr Deliang and Cooper, Dr Geoff and Cronin, Professor Lee
Authors: Cooper, G. J.T., Newton, G. N., Long, D.-L., Kogerler, P., Rosnes, M. H., Keller, M., and Cronin, L.
College/School:College of Science and Engineering > School of Chemistry
Journal Name:Inorganic Chemistry
Publisher:American Chemical Society
ISSN:0020-1669
ISSN (Online):1520-510X
Published Online:08 January 2009

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
406941Realising the concept of the artificial chemical cell using vesiclesLeroy CroninEngineering & Physical Sciences Research Council (EPSRC)EP/D022304/1CHEM - CHEMISTRY