Crystal structure of 1-chloroanthraquinone

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The X-ray crystal structure of 1-chloroanthraquinone is determined. The compound C14H7O2Cl, is monoclinic in P21(#4) with a = 7.763(1), b = 3.973(2), c = 16.947(1) Å,β = 95.13(1)°, V = 520.6(3) Å3, Dcalc = 1.548 g/cm3, and Z = 2. In the molecular structure, the Cl atom is obviously repelled by O(1). The major force of crystal formation comes from aromatic ring stacking and C–H-aromatic interaction.

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