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河南省自然科学基金(s092102310075)

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Synthesis,Crystal Structure and Magnetic Properties of a Ni(Ⅱ) Supramolecular Complex Based on Aromatic Polycarboxylate Ligand被引量:1
2011年
A Ni(Ⅱ) supramolecular complex,[Ni 2 (btec)(3py) 2 (H 2 O) 8 ](H 2 O) 4 (1),has been synthesized by Ni(ClO 4) 2 ·6H 2 O,benzene-1,2,4,5-tetracarboxylic acid (H 4 btec) and terminal ligand 3-hydroxypyridine (3py) in aqueous solution.The title compound crystallizes in triclinic system,space group P1,with a=8.5637(12),b=9.4138(13),c=10.3611(14),α=67.9540(10),β=85.1740(10),γ=76.9890(10)°,V=754.33(18) 3,Z=2,M r=386.96,D c=1.704 Mg/m 3,μ=1.345 mm-1,F(000)=402,the final R=0.0222 and wR=0.0563 for 2675 observed reflections with I 2σ(Ⅰ).The adjacent discrete molecules are further self-assembled by intermolecular π-π and O-H···O hydrogen bonding interactions to construct a 3D supramolecular framework.Magnetic measurement shows weak ferromagnetic interaction in the range of 2~300 K.
姚景才王玉芳张丽郭金波曹欣祥樊翠平
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