[{"from": "human", "value": "Could you give me a brief overview of this molecule? [S-2].[S-2].[S-2].[Fe+3].[Fe+3]"}, {"from": "gpt", "value": "The molecule is a member of the class of iron(3+) sulfides that has formula Fe2S3. A black powder, it decomposes at room temperature to give iron(2+) chloride, hydrogen sulfide, and sulfur."}]