An [FeIII30] molecular metal oxide

Alice E. Dearle; Daniel J. Cutler; Marco Coletta; Edward Lee; Sourav Dey; Sergio Sanz; Hector W. L. Fraser; Gary S. Nichol; Gopalan Rajaraman; Jürgen Schnack; Leroy Cronin; Euan K. Brechin

doi:10.1039/D1CC06224G

An [Fe ^III₃₀] molecular metal oxide†

Alice E. Dearle,

‡^a Daniel J. Cutler,

‡^a Marco Coletta,

‡^a Edward Lee,‡^b Sourav Dey,

^c Sergio Sanz,

^a Hector W. L. Fraser,

^a Gary S. Nichol,

^a Gopalan Rajaraman,

*^c Jürgen Schnack,

*^d Leroy Cronin

*^b and Euan K. Brechin

*^a

Author affiliations

* Corresponding authors

^a EaStCHEM School of Chemistry, The University of Edinburgh, David Brewster Road, Edinburgh, UK
E-mail: E.Brechin@ed.ac.uk

^b WestCHEM School of Chemistry, The University of Glasgow, University Avenue, Glasgow, UK
E-mail: Lee.Cronin@glasgow.ac.uk

^c Department of Chemistry, Indian Institute of Technology Bombay, Mumbai, India
E-mail: rajaraman@chem.iitb.ac.in

^d Fakultät für Physik, Universitat Bielefeld, Postfach 100131, D-33501 Bielefeld, Germany
E-mail: jschnack@uni-bielefeld.de

Abstract

Dissolution of FeBr₃ in a mixture of acetonitrile and 3,4-lutidine in the presence of an amine results in the formation of an [Fe₃₀] molecular metal oxide containing alternating layers of tetrahedral and octahedral Fe^III ions. Mass spectrometry suggests the cluster is formed quickly and remains stable in solution, while magnetic measurements and DFT calculations reveal competing antiferromagnetic exchange interactions.

Chemical Communications

An [Fe ^III₃₀] molecular metal oxide†

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An [Fe^III₃₀] molecular metal oxide

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