Synthesis of the stable UO2I2, the last of the uranyl dihalides. X-Ray crystal structure of [UO2I2(py)3]

Literature Information

Publication Date 2004-02-27
DOI 10.1039/B400717D
Impact Factor 6.222
Authors

Jean-Claude Berthet, Martine Nierlich, Michel Ephritikhine


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Abstract

Treatment of UO2(OTf)2 with pure Me3SiI led to the quantitative formation of UO2I2 (1). This compound dissolved in pyridine and thf to give the red adducts [UO2I2L3] {L = py (2) or thf (3)}, which were also obtained from the metathetical reaction of UO2(OTf)2 and KI. The crystal structure of 2 has been determined. The uranyl diiodide complexes 1–3 are thermally quite stable, providing that strictly anhydrous conditions are employed.

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