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Issue 42, 2010
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Aggregation of dinuclear {Fe2hpdta} units to form polynuclear oxy/hydroxy-bridged Fe(III) coordination complexes

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Abstract

An approach for the preparation of oxy/hydroxy briged FeIII clusters that takes advantage of hydrolytic condensations of well defined {Fe2hpdta(H2O)4} building units is presented. Co-ligands such as tripodal H3tea or bidentate organic bases such as ethylenediamine (enH2) can be used to complete the coordination spheres of the FeIII centres and stabilise unsymmetrical iron-oxo clusters with non-zero magnetic ground spin-states. This strategy led to the isolation of a pentanuclear complex [Fe53-O)(hpdta)(H2tea)(Htea)2)(tea)]·{N(C2H4OH)3}·2EtOH·7H2O (1) and a nonanuclear coordination complex [Fe93-O)5(μ-OH)5(en)6(hpdta)2](NO3)2·7H2O (2).

Graphical abstract: Aggregation of dinuclear {Fe2hpdta} units to form polynuclear oxy/hydroxy-bridged Fe(iii) coordination complexes

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Publication details

The article was received on 13 Jun 2010, accepted on 13 Aug 2010 and first published on 30 Sep 2010


Article type: Paper
DOI: 10.1039/C0DT00655F
Citation: Dalton Trans., 2010,39, 10279-10285
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    Aggregation of dinuclear {Fe2hpdta} units to form polynuclear oxy/hydroxy-bridged Fe(III) coordination complexes

    W. Schmitt, L. Zhang, C. E. Anson and A. K. Powell, Dalton Trans., 2010, 39, 10279
    DOI: 10.1039/C0DT00655F

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