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<p>Uranium hexafluoride (UF<sub>6</sub>) is an important feedstock material for the enrichment of nuclear power and weapons grade uranium. When exposed to air, UF<sub>6</sub> spontaneously reacts with water vapor to generate hydrofluoric acid and uranyl fluoride (UO<sub>2</sub>F<sub>2</sub>). Despite decades of experimental and theoretical investigations attempting to uncover the reaction pathway, the identity of intermediates is still debated. Previous work used cryogenic conditions to trap intermediates of both UF<sub>6</sub> and MoF<sub>6</sub> with water to observe, in real time, the reaction dynamics. In this study, we substitute water with methanol to observe the effects of sterics on the reaction.</p>

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Controlled reaction dynamics of UF6 and MoF6 with methanol to elucidate new chemical signatures

  • 期刊论文

  • 发表日期：

    2026年2月14日

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  • Austin L. Dorris,
  • Abigail M. Waldron,
  • Louis E. McNamara

摘要

Uranium hexafluoride (UF6) is an important feedstock material for the enrichment of nuclear power and weapons grade uranium. When exposed to air, UF6 spontaneously reacts with water vapor to generate hydrofluoric acid and uranyl fluoride (UO2F2). Despite decades of experimental and theoretical investigations attempting to uncover the reaction pathway, the identity of intermediates is still debated. Previous work used cryogenic conditions to trap intermediates of both UF6 and MoF6 with water to observe, in real time, the reaction dynamics. In this study, we substitute water with methanol to observe the effects of sterics on the reaction.