Actinium oxyfluoride is an inorganic compound, with the chemical formula AcOF. It is radioactive. It crystallises in a calcium fluoride structure.无机化学丛书 第十卷 锕系 锕系后元素. 科学出版社. pp 92-93. 5. 卤氧化物 It can be obtained by reacting actinium fluoride with ammonia and water:
AcF3 + 2 NH3 + H2O → AcOF + 2 NH4F
The reaction proceeds completely at 1200 °C, and unreacted AcF3 will remain at lower temperatures.
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