Exploring the solvent mediated assembly and redox activity of a POM–organic hybrid [Na(SO3)2(PhPO3)4MoV4MoVI14O49]5−

Fujibayashi, M., Song, Y.-F., Cronin, L. and Tsunashima, R. (2016) Exploring the solvent mediated assembly and redox activity of a POM–organic hybrid [Na(SO3)2(PhPO3)4MoV4MoVI14O49]5−. New Journal of Chemistry, 40(10), pp. 8488-8492. (doi:10.1039/C6NJ01774F) (PMID:30078986) (PMCID:PMC6075703)

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Abstract

We report the electrochemical activity and the mechanism of formation of a mixed valence polyoxometalate-based organic hybrid cluster with the formula [Na(SO3)2(PhPO3)4MoV4MoVI14O49]5− (1). Electrochemical investigations of the mixed valence compound 1 showed three redox couples, in which the electrons were mainly delocalized over eight Mo sites. Furthermore, the synthesis was investigated using 31P-NMR, which showed that the self-assembly of cluster 1 was triggered by the addition of organic solvents, and was largely independent of the nature of the solvents, suggesting that a decrease in the concentration of water promoted cluster assembly. Finally the stability of 1 was explored and we concluded that the use of phenylphosphonate allowed the covalent stabilization of the [MoV4MoVI14] core.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Cronin, Professor Leroy
Authors: Fujibayashi, M., Song, Y.-F., Cronin, L., and Tsunashima, R.
College/School:College of Science and Engineering > School of Chemistry
Journal Name:New Journal of Chemistry
Publisher:Royal Society of Chemistry
ISSN:1144-0546
ISSN (Online):1369-9261
Published Online:10 August 2016

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
503291Molecular-Metal-Oxide-nanoelectronicS (M-MOS): Achieving the Molecular LimitLeroy CroninEngineering & Physical Sciences Research Council (EPSRC)EP/H024107/1CHEM - CHEMISTRY
577391Programmable Molecular Metal Oxides (PMMOs) - From Fundamentals to ApplicationLeroy CroninEngineering & Physical Sciences Research Council (EPSRC)EP/J015156/1CHEM - CHEMISTRY
646611Programmable 'Digital' Synthesis for Discovery and Scale-up of Molecules, Clusters and NanomaterialsLeroy CroninEngineering & Physical Sciences Research Council (EPSRC)EP/L023652/1CHEM - CHEMISTRY
685741SMARTPOM: Artificial-Intelligence Driven Discovery and Synthesis of Polyoxometalate ClustersLeroy CroninEuropean Research Council (ERC)670467CHEM - CHEMISTRY