Jin-Lei Tian, Shi-Ping Yan, Dai-Zheng Liao, Zong-Hui Jiang, Peng Cheng
Two one-dimensional chain complexes: [Mn(Hpdc)(H2O)2]n (1) and [Cu2(Hpdc)2][4,4′-dpdo] (2) have been synthesized from hydrothermal solutions at 150 °C. Both structures are mainly constructed by a single multifunctional ligand, monopotassium 3,5-pyrazoledicarboxylate (KH2pdc). All metal atoms are six-coordinated in 1, two kinds of carboxylic bridges are found between manganese atoms to form a one-dimensional chain and further construct three-dimensional structure by hydrogen bonds. In 2, all copper atoms are five-coordinated, Cu1 and Cu1A are linked by the nitrogen atoms in the pyrazole ring to form a dimmer and two-dimensional structure is formed by weak coordination bonds and hydrogen bonds. Susceptibility data of 1 and 2 show antiferromagnetic coupling interactions.
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