Acta Crystallographica Section E

Structure Reports Online

Volume 59, Part 7 (July 2003)

inorganic compounds


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Acta Cryst. (2003). E59, i105-i106    [ doi:10.1107/S1600536803014272 ]

Hydronium pentaaquacopper(II) triperchlorate

F. Bramsen, A. D. Bond and C. J. McKenzie

Abstract: The crystal structure of the double salt hydronium pentaaquacopper(II) triperchlorate, (H3O)[Cu(H2O)5](ClO4)3, has been determined at 180 K. In space group P3221, the structure contains a square-pyramidal [Cu(H2O)5]2+ moiety with its basal plane capped by one edge of a perchlorate anion, so that CuII exhibits [5+2] coordination. Both cations and one of the anions lie on twofold rotation axes.

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