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Preparation and crystal structure of the Hg4 2+ ion
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1973
Year
Inorganic ChemistryChemical EngineeringCrystal StructureEngineeringCompound Hg4Analytical ChemistryHg42+ IonMain Group ChemistryChemistryLiquid So2CrystallographyCrystal Structure DesignMercury ChemistryIon Structure
The compound Hg4(AsF6)2 containing mercury in the oxidation state of +½ has been obtained from the reaction of mercury with arsenic pentafluoride in liquid SO2; the Hg42+ ion is shown by X-ray methods to be very nearly linear with Hg–Hg distances of 2·57 and 2·70 Å.