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Acta Crystallogr Sect E Struct Rep Online. 2012 Apr 1;68(Pt 4):m409-10. doi: 10.1107/S1600536812010367. Epub 2012 Mar 14.

Tetra-kis(μ-2-iodo-benzoato-κ(2)O:O')bis-[aqua-copper(II)].

Abstract

In the centrosymmetric binuclear title complex, [Cu(2)(C(7)H(4)IO(2))(4)(H(2)O)(2)], the two Cu(II) ions [Cu⋯Cu = 2.6009 (5) Å] are bridged by four 2-iodo-benzoate (IB) ligands. The four nearest O atoms around each Cu(II) ion form a distorted square-planar arrangement, the distorted square-pyramidal coordination being completed by the O atom of the water mol-ecule at a distance of 2.1525 (16) Å. The dihedral angle between the benzene ring and the carboxyl-ate group is 25.67 (13)° in one of the independent IB ligands and 6.44 (11)° in the other. The benzene rings of the two independent IB ligands are oriented at a dihedral angle of 86.61 (7)°. In the crystal, O-H⋯O inter-actions link the mol-ecules into a two-dimensional network. π-π contacts between the benzene rings [centroid-centroid distances = 3.810 (2) and 3.838 (2) Å] may further stabilize the structure.

PMID:
22589792
[PubMed]
PMCID:
PMC3343818
Free PMC Article

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