Five New Chlorochromates of Organic Bases

We have synthesized and characterized five new chlorochromate(VI) complexes of organic bases: 4,4′-bipyridinium bis[chlorochromate(VI)], (C₁₀H₁₀N₂)[CrO₃Cl]₂, 4-methylquinolinium chlorochromate(VI), (C₁₀H₁₀N)[CrO₃Cl], 6-methylquinolinium chlorochromate(VI), (C₁₀H₁₀N)[CrO₃Cl], N,N'-ethylenediaminium chloride chlorochromate(VI), (C₂H₁₀N₂)(Cl)[CrO₃Cl] and (5-chloro-2-pyridyl)(2-pyridyl)aminium chlorochromate(VI), (C₁₀H₉ClN₃)[CrO₃Cl]. The crystal and molecular structures of these compounds have been determined by X-ray crystallography and show that organic cations are bound to [CrO₃Cl]⁻ anions by significant N...O and C...O hydrogen-bonding interactions.

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