[{"from": "human", "value": "Provide a brief overview of this molecule. [O].[O].[O].[O].[O].[O].[Cl-1].[Cl-1].[Ni+2]"}, {"from": "gpt", "value": "The molecule is a hydrate of nickel chloride containing nickel (in the +2 oxidation state), chloride and water moeities in the ratio 1:2:6. It has a role as a sensitiser. It contains a nickel dichloride."}]