Abstract
The title compound [Cu2(phen)2(C9H14O4)2] · 6 H2O was prepared by the reaction of CuCl2 · 2 H2O, 1,10-phenanthroline (phen), azelaic acid and Na2CO3 in a CH3OH/H2O solution. The crystal structure (monoclinic, C2/c (no. 15), a = 22.346(3), b = 11.862(1), c = 17.989(3) A, β = 91.71(1)°, Z = 4, R = 0.0473, wR2 = 0.1344 for 4279 observed reflections) consists of centrosymmetric dinuclear [Cu2(phen)2(C9H14O4)2] complexes and hydrogen bonded H2O molecules. The Cu atom is square-planar coordinated by the two N atoms of the chelating phen ligand and two O atoms of different bidentate bridging azelaate groups with d(Cu–N) = 2.053, 2.122(2) A and d(Cu–O) = 1.948(2), 2.031(2) A. Two azelaate anions bridge two common Cu atoms via the terminal O atoms (d(C–O) = 1.29(2) A; d(C–C) = 1.550(4)–1.583(4) A). Phen ligands of adjacent complexes cover each other at distances of about 3.62 A, indicating π-π stacking interaction, by which the complexes are linked to 1 D bands.
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