Concepedia

UF<sub>3</sub>(H<sub>2</sub>O)(C<sub>2</sub>O<sub>4</sub>)<sub>0.5</sub>:  A Fluorooxalate of Tetravalent Uranium with a Three-Dimensional Framework Structure

Chih-Min Wang, Chia-Hsien Liao, Pei-Lin Chen, Kwang‐Hwa Lii

Inorganic Chemistry · 2006 · 16 citations · 20 references

DOI

Concepts

Abstract

A new uranium(IV) fluorooxalate, UF3(H2O)(C2O4)0.5, has been synthesized by a hydrothermal method and structurally characterized by single-crystal X-ray diffraction, infrared spectroscopy, and thermogravimetric analysis. The structure consists of two-dimensional layers of corner- and edge-sharing tricapped trigonal prisms with the composition UF(4/2)F(2/2)O3 linked by bisbidentate oxalate ligands to form a three-dimensional framework. Magnetic susceptibilities were measured to confirm the tetravalent state of uranium. Crystal data: monoclinic, space group C2/c, a = 17.246(3) Angstroms, b = 6.088(1) Angstroms, c = 8.589(2) Angstroms, beta = 95.43(3) degrees, and Z = 8.

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