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Issue 41, 2013
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Fingerprinting the oxidation state of U(IV) by emission spectroscopy

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The solid-state structure of the known complex [Et4N][U(NCS)5(bipy)2] has been re-determined and a detailed spectroscopic and magnetic study has been performed in order to confirm the oxidation states of both metal and bipy ligand. Electronic absorption and infrared spectroscopy suggest that the uranium is in its +4 oxidation state and this has been corroborated by emission spectroscopy and variable temperature magnetic measurements, as well as theoretical calculations. Therefore the bipy ligands are neutral, innocent ligands and not, as would be inferred from just a solid state structure, radical anions.

Graphical abstract: Fingerprinting the oxidation state of U(iv) by emission spectroscopy

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The article was received on 06 Aug 2013, accepted on 04 Sep 2013 and first published on 04 Sep 2013

Article type: Communication
DOI: 10.1039/C3DT52151F
Citation: Dalton Trans., 2013,42, 14677-14680
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    Fingerprinting the oxidation state of U(IV) by emission spectroscopy

    E. Hashem, G. Lorusso, M. Evangelisti, T. McCabe, C. Schulzke, J. A. Platts and R. J. Baker, Dalton Trans., 2013, 42, 14677
    DOI: 10.1039/C3DT52151F

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