Abstract

The malonato-bridged copper(II) complex [Cu(mal)(H 2O)(azpy) 1/2] · H 2O ( 1) (mal = malonate, azpy = 4,4′-azobispyridine) has been synthesized and characterized by X-ray diffraction. The structure of 1 consists of malonato-bridged uniform copper(II) chains which are covalent connected through azpy to form two-dimensional wavelike network. The magnetic pathway of complex 1 is through a single syn– anti carboxylate bridge connecting equatorial and equatorial positions of adjacent copper(II) atoms, and have the value of the intrachain ferromagnetic coupling ( J = 8.73(3) cm −1) and interchain antiferromagnetic coupling ( zJ′ = − 1.31(1) cm −1) through a numerical expression for a ferromagnetic uniform chain.

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