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Mixed-valent uranium(IV,VI) diphosphonate: synthesis, structure, and spectroscopy.

Authors
  • Diwu, Juan
  • Albrecht-Schmitt, Thomas E
Type
Published Article
Journal
Inorganic Chemistry
Publisher
American Chemical Society
Publication Date
Apr 16, 2012
Volume
51
Issue
8
Pages
4432–4434
Identifiers
DOI: 10.1021/ic300391p
PMID: 22458387
Source
Medline
License
Unknown

Abstract

A mixed-valent uranium(IV,VI) diphosphonate, (H(3)O)(2)(UO(2))(3)U(H(2)O)(2)[CH(2)(PO(3))(2)](3)·6H(2)O (UC1P2S), has been synthesized under hydrothermal conditions. S-2-butanol was used to reduce uranium VI to IV. The tetravalent uranium centers adopt eight-coordinate geometries, while hexavalent uranyl units are all tetragonal bipyramids. The UV-vis-NIR spectrum of UC1P2S shows absorption features for both U(VI) and U(IV).

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