The required PtF5 can be obtained by fluorinating PtCl2::2 PtCl2 + 5 F2 → 2 PtF5 + 2 Cl2:2 PtF5 → PtF6 + PtF4==Hexafluoroplatinates==Platinum hexafluoride can gain an electron to form the hexafluoroplatinate anion, .