Synthesis, structure and magnetic studies of two-dimensional network of Cu(II) polymer using malonate and 4,4′-azobispyridine ligands |
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| Authors: | Baolong Li Xinyi Wang Song Gao Yong Zhang |
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| Affiliation: | a College of Chemistry and Chemical Engineering, Key Laboratory of Organic Synthesis of Jiangsu Province, Suzhou University, Suzhou 215006, China
b College of Chemistry and Molecular Engineering, State Key Laboratory of Rare Earth Materials Chemistry and Applications, Peking University, Beijing 100871, China |
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| Abstract: | The malonato-bridged copper(II) complex [Cu(mal)(H2O)(azpy)1/2] · H2O (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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| Keywords: | Malonate 4,4&prime -Azobispyridine Copper complex Crystal structure Magnetic properties |
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