Synthesis,crystal structure,spectroscopy and magnetism of a trinuclear nickel(II) complex with 3,5-pyrazoledicarboxylic acid as bridge ligands |
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| Institution: | 1. Department of Chemistry, Nankai University, Tianjin, 300071, PR China;2. Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Nankai University, Tianjin, 300071, PR China;3. State Key Laboratory of Physical Chemistry of Solid Surface, Xiamen University, Xiamen, 361005, PR China |
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| Abstract: | A new complex of Ni3(dcp)2(H2O)10] (1) (H3dcp = 3,5-pyrazoledicarboxylic acid) has been synthesized from H3dcp and Ni(NO3)2·6H2O by hydrothermal reaction. Complex 1 has the discrete trinuclear structure. Three Ni(II) ions are bridged by two dcp3? ligands, with 10 coordinated water molecules as terminal ligands. The molecules of Ni3(dcp)2(H2O)10] extend into three-dimensional supramolecular architectures by intermolecular O–H···O hydrogen bonds as well as π-π stacking interactions. Magnetic susceptibility measurement shows that a weak antiferromagnetic interaction is operative between nickel(II) ions and an excellent simulation of the experimental data gives D = 5.27 cm?1, J = ?2.19 cm?1 and g = 2.05. |
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| Keywords: | Trinuclear nickel(II) complex Crystal structure Magnetism |
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