Copper(II) Complexes with Condensation Products
of Aminonaphthalene and Benzoin Derivatives

L. S. Skorokhod^a, I. I. Seifullina^a, V. G. Vlasenko^b, I. V. Pirog^b, V. V. Minin^c,
V. E. Kuz’min^d, and L. N. Ognichenko^d

^aMechnikov National University, Dvoryanskaya ul. 2, Odessa, 65026 Ukraine

^bResearch Institute of Physics, Rostov State University, pr. Stachki 194, Rostov-on-Don, 344090 Russia

^cKurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences,
Leninskii pr. 31, Moscow, 119991 Russia

^dBogatskii Physicochemical Institute, National Academy of Sciences of Ukraine,
Lustdorfskaya doroga 86, Odessa, 65080 Ukraine

Received June 6, 2005

Abstract—New copper(II) complexes with the products of condensation of benzoin with monopotassium
1amino-8-hydroxy-2,4-naphthalenedisulfonate and 1,8-diaminonaphthalene (complexes I and II, respec-
tively) have been synthesized. The compounds are identified and characterized by elemental analysis; X-ray
powder diffraction; thermogravimetry, and electric conductivity data; magnetic susceptibility measurements;
and IR, EPR, diffuse reflectance; EXAFS spectroscopy. The geometry and stability of the stereo isomers of
complex I are theoretically studied with the use of the molecular mechanics method and semiempirical quan-
tum-chemical calculations. The compositions of the inner spheres of complexes I and II and their coordination
polyhedra—a distorted planar square (I) and a distorted octahedron (II)—are determined using different phys-
icochemical methods.

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