期刊
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
卷 -, 期 32, 页码 4771-4775出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejic.200900899
关键词
Actinides; Polynuclear species; Formic acid; Bridging ligands
资金
- Alexander von Humboldt Foundation
The actinide(IV) hexanuclear [M-6(mu(3)-O)(4)(mu(3)-OH)(4)(HCOO)(12)-(L-T)(6)] complexes were prepared (L-T = H2O or CH3OH). Their structures were investigated by single-crystal X-ray analysis and XAFS spectroscopy. HCOO- acts as a bridging ligand, which prevents the formation of polynuclear hydrolysis species like U-IV hydrous oxide colloids at least up to pH = 3.25, and stabilizes the nanosized clusters in solution. The charge of the hexamer is balanced by the O/OH ratio of the mu(3)-bridges. ((C) Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2009)
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