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Acta Cryst. (2012). E68, m1505
[ doi:10.1107/S1600536812045679 ]

catena-Poly[[[diaquacopper(II)]-bis[[mu]-1,5-bis(1H-imidazol-1-yl)pentane-[kappa]2N3:N3']] naphthalene-1,5-disulfonate]

L.-P. Zhang, S.-T. Wen and X.-N. Fu

Abstract: In the title complex, {[Cu(C11H16N4)2(H2O)2](C10H6O6S2)}n, the CuII atom, lying on an inversion center, is six-coordinated by two water molecules and four N atoms from four 1,5-bis(1H-imidazol-1-yl)pentane (biim-5) ligands in a distorted octahedral geometry. Adjacent CuII atoms are linked by two biim-5 ligands, forming a chain along [111]. Two atoms of the pentane group are disordered over two sets of sites, with an occupancy ratio of 0.554 (18):0.446 (18). Intermolecular O-H...O hydrogen bonds link the chains and the centrosymmetric naphthalene-1,5-disulfonate anions into a layer structure parallel to (0-11).

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