Inorganic Chemistry, Vol.48, No.13, 6083-6085, 2009
The Tris(trifluoromethyl)methyl Phosphonium Ion, P(CF3)(3)CH3+, Preparation and Structure
P(CF3)(3) cannot be protonated, not even by HF/SbF5. However, it can be methylated to P(CF3)(3)CH3+.