Aqua(2,2 `-bipyridine-kappa(2) N,N `)(3,5-dinitrobenzoato-kappa O-1)copper(II) tetrahydrofuran monosolvate

Abdullah, N. and Mohamadin, M.I. and Safwan, A.P. and Tiekink, E.R.T. (2010) Aqua(2,2 `-bipyridine-kappa(2) N,N `)(3,5-dinitrobenzoato-kappa O-1)copper(II) tetrahydrofuran monosolvate. Acta Crystallographica Section E: Structure Reports Online, 66 (9). M1055-U231. ISSN 1600-5368,

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The title complex, [Cu(C7H3N2O6)(2)(C10H8N2)(H2O)]center dot C4H8O, features a pentacoordinate Cu-II atom bound by two monodentate carboxylate ligands, a bidentate 2,2 `-bipyridine molecule [dihedral angle between pyridine rings = 5.0 (2)degrees]and a water molecule. The resulting N2O3 donor set defines a distorted square-pyramidal geometry with the coordinated water molecule in the apical position. In the crystal, the presence of O-H-w center dot center dot center dot O-c (w = water and c = carbonyl) hydrogen bonding leads to the formation of a supramolecular chain propagating along the c axis, which associates into a double chain via C-H-w center dot center dot center dot O-c and pi-pi contacts between pyridyl rings [centroid-centroid distance = 3.527 (3) angstrom]. The solvent molecules, which are disordered over two orientations in a 0.678 (11):0.322 (11) ratio, occupy voids defined by the complex molecules and are held in place via C-H center dot center dot center dot O interactions.

Item Type: Article
Subjects: Q Science > Q Science (General)
Depositing User: Mr Faizal 2
Date Deposited: 27 Jan 2015 07:54
Last Modified: 31 Jan 2019 01:37

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