[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a mixed metal oxide with formula Fe2O4Zn. It is a mixed metal oxide, a zinc coordination entity and an iron coordination entity. It contains an iron(3+)."}, {"from": "gpt", "value": "[O][Fe][=O].[O][Fe][=O].[Zn]"}]