B-α-[AsW<sub>9</sub>O<sub>33</sub>]<sup>9-</sup> polyoxometalates incorporating hexanuclear uranium {U<sub>6</sub>O<sub>8</sub>}-like clusters bearing the U<sup>IV</sup> form or unprecedented mixed valence U<sup>IV</sup>/U<sup>VI</sup> involving direct U<sup>VI</sup>=O-U<sup>IV</sup> bonding
- Duval, S.
- Sobanska, S.
- Roussel, P.
- Loiseau, T.
DOIAbstract
The use of B-α-[AsW9O33]9-anionic moieties in association with the tetravalent 5f uranium UCl4 precursor affords three new hexanuclear uranium {U6O8}-like clusters embedded in a polyoxometalate architecture. Two of them are constituted by an unprecedented uranium mixed valence UIV/UVI</sup cluster
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