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基于3,6-双（苯并咪唑-1-基）哒嗪的混合配体配合物的合成、结构及磁性

Syntheses, structures, and magnetic properties of mixed-ligand complexes based on 3,6-bis(benzimidazol-1-yl)pyridazine.

作者信息

Dong Jun-Liang, Zhu Peng-Yin, Du Jia-Qiang, Xie Fei, Lan Hai-Ming, Yang Ru-Xia, Yang Li-Zheng, Wang Duo-Zhi

机构信息

School of Chemistry and Chemical Engineering, Xinjiang University Urumqi 830046 P. R. China

Key Laboratory of Energy Materials Chemistry, Ministry of Education Urumqi 830046 Xinjiang P. R. China.

出版信息

RSC Adv. 2019 Jun 4;9(31):17560-17570. doi: 10.1039/c9ra03082d.

DOI:10.1039/c9ra03082d
PMID:35520568
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9066310/
Abstract

Six new metal-organic coordination polymers (CPs) [Ni(L)(2,5-TDC)(HO)] (1), [Ni(L)(1,3-BDC)(HO)] (2), [Ni(L)(1,4-BDC)(HO)] (3), [Mn(L)(2,5-TDC)(HO)] (4), [Mn(L)(2,6-PYDC)(HO)] (5) and [Mn(L)(1,4-NDC)] (6) were achieved by reactions of the corresponding metal salt with mixed organic ligands (L = 3,6-bis(benzimidazol-1-yl)pyridazine, 2,5-HTDC = thiophene-2,5-dicarboxylic acid, 1,3-HBDC = isophthalic acid, 1,4-HBDC = terephthalic acid, 2,6-HPYDC = pyridine-2,6-dicarboxylic acid, 1,4-HNDC = naphthalene-1,4-dicarboxylic acid) under solvothermal condition. CPs 1-6 were characterized by single-crystal X-ray diffraction, IR, TG, XRD and elemental analyses. Their structures range from the intricate 3D CPs 1, 3, 4 and 6 to the 2D coordination polymer 2 and the infinite 1D chain 5. The CPs 1-4 and 6 underlying networks were classified from the topological viewpoint, disclosing the distinct (in 1), (in 3 and 6), new topology (in 2), and (in 4) topological nets. Moreover, analysis of thermal stability shows that they had good thermal stability. Finally, magnetic properties of CPs 1-6 have been studied, the results showed that complex 2 had ferromagnetic coupling and complexes 1, 3-6 were antiferromagnetic.

摘要

通过相应金属盐与混合有机配体（L = 3,6 - 双（苯并咪唑 - 1 - 基）哒嗪，2,5 - HTDC = 噻吩 - 2,5 - 二羧酸，1,3 - HBDC = 间苯二甲酸，1,4 - HBDC = 对苯二甲酸，2,6 - HPYDC = 吡啶 - 2,6 - 二羧酸，1,4 - HNDC = 萘 - 1,4 - 二羧酸）在溶剂热条件下反应，得到了六种新型金属有机配位聚合物（CPs）[Ni(L)(2,5 - TDC)(H₂O)] (1)、[Ni(L)(1,3 - BDC)(H₂O)] (2)、[Ni(L)(1,4 - BDC)(H₂O)] (3)、[Mn(L)(2,5 - TDC)(H₂O)] (4)、[Mn(L)(2,6 - PYDC)(H₂O)] (5) 和 [Mn(L)(1,4 - NDC)] (6)。通过单晶X射线衍射、红外光谱（IR）、热重分析（TG）、X射线衍射（XRD）和元素分析对CPs 1 - 6进行了表征。它们的结构范围从复杂的三维CPs 1、3、4和6到二维配位聚合物2以及无限一维链5。从拓扑学角度对CPs 1 - 4和6的基础网络进行了分类，揭示了不同的（在1中）、（在3和6中）、新拓扑（在2中）和（在4中）拓扑网络。此外，热稳定性分析表明它们具有良好的热稳定性。最后，对CPs 1 - 6的磁性进行了研究，结果表明配合物2具有铁磁耦合，配合物1、3 - 6为反铁磁。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/be2c/9066310/84d3cde581e5/c9ra03082d-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/be2c/9066310/8bf99613a92b/c9ra03082d-s1.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/be2c/9066310/d2aab0691aa1/c9ra03082d-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/be2c/9066310/aba5bff010f3/c9ra03082d-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/be2c/9066310/1c8da45bcb0b/c9ra03082d-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/be2c/9066310/7171d027b85f/c9ra03082d-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/be2c/9066310/bd769ee4026d/c9ra03082d-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/be2c/9066310/84d3cde581e5/c9ra03082d-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/be2c/9066310/8bf99613a92b/c9ra03082d-s1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/be2c/9066310/ebbb1a8832b7/c9ra03082d-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/be2c/9066310/afa0addcf324/c9ra03082d-s2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/be2c/9066310/d2aab0691aa1/c9ra03082d-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/be2c/9066310/aba5bff010f3/c9ra03082d-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/be2c/9066310/1c8da45bcb0b/c9ra03082d-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/be2c/9066310/7171d027b85f/c9ra03082d-f5.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/be2c/9066310/84d3cde581e5/c9ra03082d-f7.jpg

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