[{"from": "human", "value": "Could you provide a description of this molecule? [O][=Fe]"}, {"from": "gpt", "value": "The molecule are passed over a mixture of iron(III) oxide and wood shavings. Liable to spontaneous heating. This heat may cause ignition. Easily ignited by sparks or heat from external sources. Used for precipitating copper or lead from solutions of their salts and in electric furnace steel operations."}]