Abstract
The structure of (1-phenyl-3-{2-[(2-aminoethyl)amino]ethylimino}-1-buten-1-olato-O,N, N’,N”)-copper(II) perchlorate, [Cu(baden)]ClO 4 was solved by Patterson and Fourier techniques and refined anisotropically to R = 0.066 for 2 205 unique observed reflections. The title complex (C 14 H 20 ClCuN 3 O 5 ) crystallizes in the P 2 1 / c space group with the lattice parameters a = 10.435(1), b = 20.745(2), c = 8.457(1) A, β = 108.56(1)°, Z = 4. The complex cation including the baden ligand contains two five-membered and one six-membered chelate rings, and the phenyl ring. The perchlorate anion is disordered. Two perchlorate oxygen positions, O22A and O33B, each with one half occupation factor value and four N 3 O donor atoms from the baden ligand complete the coordination geometry about the Cu atom on the square pyramid [Cu-O22A = 2.655(11)A and Cu-O33B = 2.855(10)A]. Weak hydrogen bonds among cations and anions were found in the structure.
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