Synthetic Method Using Fluorine Gas Containing a Trace of HF (<1%) or a Mixture of a Trace of HF (<0.5%) and a Small Amount of a Gaseous Fluoride (SbF5, WF6, MF6, IF5, etc.)

doi:10.1201/9781482293562-5

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Synthetic Method Using Fluorine Gas Containing a Trace of HF (<1%) or a Mixture of a Trace of HF (<0.5%) and a Small Amount of a Gaseous Fluoride (SbF5, WF6, MF6, IF5, etc.)

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ABSTRACT

A batch reaction can be adopted in this method because of the low partial pressure of HF or a fluoride. If a large amount of fluoride is used, a phase composed of the fluoride is easily formed, not being displaced by fluorine. Pure stage 1 compound is not obtained by this method, but stage 1 containing a small amount of stage 2 phase is usually detected by x-ray diffraction. The fluorine intercalation rate is slower with this method than with the previous two. The product with the highest fluorine content is approximately C3F.