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Acta Cryst. (2006). E62, i19-i22 [ doi:10.1107/S1600536805041851 ]
Abstract: In the title compound, [Cu(H2O)6](NO3)2, the geometry around the CuII ion is approximately octahedral, formed by six O atoms from the coordinated water molecules. The Cu-O distances are rather similar [2.014 (2)-2.084 (2) Å] and not related by symmetry. The Jahn-Teller effect is, at best, only weakly observed in this structure, in contrast to many other structures where the hexaaquacopper(II) ion has been characterized. An extensive mesh of hydrogen-bond interactions between the coordinated water molecules and nitrate ions is a feature of the structure and may limit the degree to which the Jahn-Teller effect can be observed.
Online 21 December 2005
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