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Updated: Jul 19, 2026

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Published on: February 15, 2016
Chloro(diethylenetriamine)copper(II) chloride: a disordered quasi-one-dimensional structure
Robin G Pritchard1, Majid Ali, Abdul Munim
1School of Chemistry, Faraday Building, Sackville Street, University of Manchester, Manchester M60 1QD, England. robin.pritchard@manchester.ac.uk
Abstract:
The title structure, [CuCl(C4H13N3)]Cl, consists of alternating [CuCl(dien)]+ (dien is diethylenetriamine) and Cl- ions arranged in quasi-one-dimensional stacks along the crystallographic a axis and forming tetragonally elongated octahedral coordination shells around each Cu atom [equatorial Cu-Cl = 2.2552 (8) A, and axial Cu-Cl = 2.831 (1) and 3.341 (1) A]. Crystallographic mirror planes bisect each stack vertically through the Cu, Cl and central N atoms, and horizontally through the [CuCl(dien)]+ cation. The horizontal mirrors lead to each atom in the puckered [CuCl(dien)]+ cations being disordered over two crystallographically equivalent sites. Comparison of the title structure with its Br and I analogues shows a growing influence of hydrogen bonding relative to coordination bonds on traversing the series I < Br < Cl.
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