Syntheses, structural diversities and magnetic properties of four new Co(II) coordination polymers with phthalic acid derivatives
Syntheses, structural diversities and magnetic properties of four new Co(II) coordination polymers with phthalic acid derivatives
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四种新型Co(II)配位聚合物与邻苯二甲酸衍生物的合成、结构多样性和磁性能
DOI:
10.1016/j.poly.2012.12.032
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发表时间:
2013-03
期刊:
影响因子:
2.6
通讯作者:
Dai-Zheng Liao
中科院分区:
文献类型:
--
作者:
Shi-Yuan Zhang;Na Xu;Wei Shi;Peng Cheng;Dai-Zheng Liao
Four new 3D Co(II) coordination polymers, [Co(4apa)(H2O)] (1), [Co(bpy)(3npa)] (2), [Co(bpy)1.5(3adpa)] (3) and [Co(btx)0.5(4npa)(H2O)2] (4) (H24apa=4-aminophthalic acid, bpy=4,4′-bipyridine, H23npa=3-nitrophthalic acid, H23adpa=3-(4-amino-1,3-dioxoisoindolin-2-yl)phthalic acid, btx=1,4-bis(1,2,4-triazole-1-ylmethyl)benzene, H24npa=4-nitrophthalic acid), have been synthesized and characterized by single crystal X-ray diffraction, PXRD and magnetic susceptibility measurements. An interesting in situ acylation reaction of 3-aminophthalic acid (H23apa) has been found in the formation of coordination polymer 3. The Co(II) ions of each polymer lie in distorted octahedral environments and are bridged by μ1,3carboxylate groups to form 2D (1), 1D (2 and 3) and dimer (4) structures, which are further assembled through ligands into different 3D structures due to the influence of the substituent groups. Studies of the temperature dependence of the magnetic susceptibilities in the range 2–300K reveal antiferromagnetic interactions in 1–4 between the Co(II) ions transmitted by μ1,3carboxylate groups.
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影响因子:
4.6
作者:
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通讯作者:
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影响因子:
3.3
作者:
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影响因子:
4.9
作者:
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通讯作者:
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影响因子:
4
作者:
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通讯作者:
Min-Xia Yao;Ming‐Hua Zeng;Huahong Zou;Yanling Zhou;H. Liang