Acta Cryst. (2009). E65, m345-m346  [ doi:10.1107/S160053680900662X ]

Tetrakis[(3-hydroxypropyl)dimethylammonium] tetra--acetato-⁸O:O'-bis[chloridocuprate(II)](Cu-Cu) dichloride

M. Shahid, M. Mazhar, M. Zeller and A. D. Hunter

Abstract: The title compound (C₅H₁₄NO)₄[Cu₂(CH₃COO)₄Cl₂]Cl₂, consists of a pair of Cu^II ions bridged by four acetate groups, resulting in a Cu₂(CH₃COO)₄ unit, four (3-hydroxypropyl)dimethylammonium cations (two crystallographically independent pairs) and two chloride anions. The Cu atoms at both termini are bonded to chloride anions. The latter are hydrogen bonded to one of the two pairs of crystallographically independent (3-hydroxypropyl)dimethylammonium cations. The Cu₂(CH₃COO)₄ unit is located on a crystallographic inversion center, and the geometry around each metal center is close to octahedral. The Cl-Cu-Cu angles are nearly linear [177.48 (2)°] and the Cu-O bond lengths are in the range 1.9712 (18)-1.9809 (19) Å. The CuCu separation between the two acetate-bridged Cu^II centers is 2.6793 (8) Å. The packing of the crystal structure is dominated by N-HCl hydrogen bonding between the ammonium groups and the chloride anions, as well as by O-HO and O-HCl hydrogen bonds. One of the 3-hydroxypropyldimethylammonium cations shows orientational disorder with an occupancy ratio of 0.812 (4): 0.188 (4).

Online 28 February 2009

Copyright © International Union of Crystallography
IUCr Webmaster