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Acta Cryst. (2007). E63, m2591 [ doi:10.1107/S1600536807045606 ]
Abstract: The structure of the title compound, (C4H12N)2[CuCl4] or [DEA]2[CuCl4] (DEA is diethylammonium), at 84 (2) K has three crystallographically independent [CuCl4]2- anions in the asymmetric unit, each with a different geometry. These geometries range from essentially square-planar to compressed tetrahedral geometry. The low-temperature structure reported here is the same as the room-temperature structure [Harlow & Simonsen (1976). Am. Crystallogr. Assoc. Ser. 2 Program Abstr. 4, Abstract PBlO], thereby confirming the absence of a low-temperature phase transition.
Online 21 September 2007
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