Abstract

The X-ray crystal structure of [Hg(NO3)2(18-crown-6)] (1) prepared from mercury(II) acetate and 18-crown-6 in nitric acid is reported. Crystals are monoclinic, space group P21/c with a = 8.3063(17) A, b = 14.331(3) A, c = 8.0030(16) A, and β = 99.528(3)°. In contrast to the usual perpendicular arrangement of the crown ether macrocycle mean plane and X–Hg–X in other Hg(II) crown ether complexes and related species, compound 1 shows a marked inclination as a result of a CH ⋅ ⋅ ⋅ O interactions.

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