Abstract
Two new volatile complexes of Cu(II) containing methoxy groups were studied in a combined X-ray diffraction investigation of the mono- (KUMA automatic diffractometer, MoKα radiation) and polycrystals (DRON-3M, CuKα radiation). The structures are molecular and consist of the trans-complexes of bis-(5-methyl-5-butoxy-hexanedionato-2,4)copper(II), C22H38CuO6, and bis-(2,2-dimethyl-5-cyclohexyl-pentanedionato-3,5) Copper(II), C28H46CuO6. The crystal data of C22H38CuO6: a = 8.939(1), b = 8.887(2), c = 8.326(1) å, α = 107.92(2), Β = 108.15(1), γ = 85.52(2)‡, space group P1,V= 597.9(2) å3, Z = 1, dx = 1.283 g/cm3. The crystal data of C28H46CuO6: a = 18.625(3), b = 16.126(2), c= 13.613(3) å, Β = 132.19‡, space group P21/n, V= 3029.3(9) å3, Z = 4, dx= 1.189 g/cm3. In both cases, the square planar environment of the Cu atom with Cu...O distances of 1.90 å is completed by interactions with two carbon atoms of the terminal groups of the two neighboring molecules at Cu...C distances of 3.66 å (average).
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Translated fromZhurnal Strukturnoi Khimii, Vol. 38, No. 5, pp. 954–959, September-October, 1997.
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Baidina, I.A., Gromilov, S.A., Stabnikov, P.A. et al. Crystal and molecular structures of bis-(5-methyl-5-butoxy-hexanedionato-2,4) Copper(II) and bis-(2,2-dimethyl-5-cyclohexyl-pentanedionato-3,5) Copper(II). J Struct Chem 38, 799–804 (1997). https://doi.org/10.1007/BF02763894
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DOI: https://doi.org/10.1007/BF02763894