[{"from": "human", "value": "Provide a brief overview of this molecule. [NH4+1].[NH4+1].[O-1][Cr][=Branch1][C][=O][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a chemical compound of hexavalent chromium. Hexavalent chromium refers to chemical compounds that contain the element chromium in the +6 oxidation state. Chromium(VI) is more toxic than other oxidation states of the chromium atom because of its greater ability to enter cells and higher redox potential. (L16)"}]