Crystal structure of the reaction product of copper(II) nitrate with α-(3,3-Dimethyl-3,4-dihydro-1-isoquinolyl)hydroxy-iminoacetonitrile [Cu3(μ3-OH)(μ-L)3(NO3) 2(H2O)] • 2H2O

The coordination compound [Cu3(μ3-OH)(μ-L) 3(NO3)2(H2O)] • 2H2O (I), where L is the α-(3,3-dimethyl-3,4-dihydro-1-isoquinolyl) hydroxyiminoacetonitrile anion, has been synthesized. The crystal and molecular structure of I was determined by X-ray diffraction (Enraf-Nonius CAD4, MoK α radiation, graphite monochromator, ω-scan mode, 2θmax = 49.96°, 7673 unique reflections, a = 12.745(3) Å, b = 13.726(3) Å, c = 28.835(6) Å, β = 93.44(3)°, V = 5035.2(17) Å3, Z = 4, space group P21/c). In the trimer complex I, the copper atoms are combined by a bridging hydroxy group. The copper atoms are additionally linked pairswise by three tridentate chelating bridging organic anions coordinated to the Cu(II) atoms by the N and O atoms of the deprotonated oxime group and by the N atom of the dihydroisoquinoline moiety. © 2007 Pleiades Publishing, Inc.