“…XeF 5 SbF 6 was also investigated by 19 F NMR spectroscopy in an anhydrous hydrogen solution [2]. According to the available literature there are twelve known compounds of the type XeF 5 MF 6 (M = V [3], Nb [4], Ta [5], Ru [6], Ir [7], Os [8], Pt [9], Au [8], As [10], Sb [1], Bi [11] and U [12]). In some reviews [XeF 5 ] + [PdF 6 ] À with Pd(V) is mentioned [13][14][15].…”