HexafluoroplatinateA hexafluoroplatinate is a chemical compound which contains the hexafluoroplatinate anion. It is produced by combining substances with platinum hexafluoride.Examples of hexafluoroplatinates Dioxygenyl hexafluoroplatinate, containing the rare dioxygenyl oxycation. Xenon hexafluoroplatinate, the first noble gas compound ever synthesised.