[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C-1][#N].[C-1][#N].[Ba+2]"}, {"from": "gpt", "value": "The molecule appears as a white crystalline solid. Toxic by skin absorption through open wounds, by ingestion, and by inhalation of hydrogen cyanide from decomposition. Toxic oxides of nitrogen are produced in fires involving this material."}]