[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a white crystalline or powdered solid. When exposed to water it may react violently and start a fire. It is toxic by ingestion, inhalation and skin absorption. It is used to make other chemicals."}, {"from": "gpt", "value": "[PH2-1].[K+1].[K+1].[K+1]"}]