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Issue 42, 2007
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Unusual mixed valent FeIIIFeII complex (St = 3/2) stabilised by a reduced bulky 1,2-diketone

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Abstract

The reduction of the bulky 1,2-diketone bis(2,6-diisopropylphenyl)glyoxal (1) and FeBr2 with 1.5 equivalents of Na results in a Class 2 mixed valent H.S. FeII L.S. FeIII complex (2) with two five-coordinate Fe centres which are antiferromagnetically exchange-coupled to give a total spin St = 3/2 ground state and an St = 5/2 excited state that are separated by about 25 cm−1 (for ΔJ ≈ 5J)

Graphical abstract: Unusual mixed valent FeIIIFeII complex (St = 3/2) stabilised by a reduced bulky 1,2-diketone

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Publication details

The article was received on 24 Aug 2007, accepted on 18 Sep 2007 and first published on 04 Oct 2007


Article type: Communication
DOI: 10.1039/B713062G
Chem. Commun., 2007, 4339-4341

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    Unusual mixed valent FeIIIFeII complex (St = 3/2) stabilised by a reduced bulky 1,2-diketone

    G. H. Spikes, E. Bill, T. Weyhermüller and K. Wieghardt, Chem. Commun., 2007, 4339
    DOI: 10.1039/B713062G

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