Controlled Assembly & Solution Observation of a 2.6 nm Polyoxometalate ‘Super’ Tetrahedron cluster: [Fe12(OH)18(α-1,2,3- P2W15O56)4]30–

Scientific Paper

Gen. Pharma & Chemistry

10.1039/b707202c

OTOF

2007

micrOTOF-Q

Chullikkattil P. Pradeepa, De-Liang Longa, Paul Kögerlerb and Leroy Cronin*a

Chem. Commun., 2007, 4254 - 4256

Abstract

A nanoscale Fe^III-substituted polyoxotungstate molecule {Fe₁₂W₆₀}³⁰- is synthesized starting from trilacunary {P₂W₁₅} 10 Dawson cluster and iron-acrylate complex [Fe₃(μ-O)(CH₂=CHCOO)₆(H₂O)₃]Cl·7H₂O to give a 2.6 nm tetrahedral cluster species that forms a framework in the solid state, and the 16 kD cluster can be directly observed in solution as revealed by solution mass spec. studies.

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