Abstract
A centrosymmetric mononuclear copper(II) complex, [Cu(L1)2] (I), and a phenolate oxygen-bridged dinuclear copper(II) complex, [Cu2(L2)4] (II) (HL1 = 4-chloro-2-[(2-morpholin-4-ylethylimino)methyl]phenol, HL2 = 4-chloro-2-(cyclohexylimino-methyl)phenol), were synthesized and characterized by elemental analyses, IR, and single crystal X-ray diffraction. The crystal of I is monoclinic: space group {ITP}21/n, a = 13.396(3), b = 5.339(1), c = 19.740(4) A, β = 108.64(3), V = 1337.8(5) A3, {ITZ} = 2. The crystal of II is monoclinic: space group P21, a = 9.157(2), b = 22.715(4), c = 12.169(2) A, = 95.28(3), {ITV} = 2520.4(8) A3, {ITZ}= 2. The Cu atom in I, lying on the inversion center, is four-coordinate in a square planar geometry with two phenolate oxygen and two imine nitrogen atoms. Each Cu atom in II is five-coordinate in a square pyramidal geometry with two phenolate oxygen and two imine nitrogen atoms from two L2 ligands defining the basal plane and with one phenolate oxygen atom of another L2 ligand occupying the apical position.
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