Mn-Based Two Dimensional Metal-Organic Framework Material from Benzimidazole-5,6-dicarboxylic Acid

A new two-dimensional metal-organic framework （MOF） structure has been synthesized by mild solvothermal reaction of MnC12o4H20 with 1H-benzimidazole-5,6-dicarboxylic acid （H3bidc） at 85℃. The structure has been characterized by single-crystal X-ray diffraction, powder X-ray diffraction （PXRD）, infra...

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Bibliographic Details
Published in:Chinese journal of chemistry 2016-02, Vol.34 (2), p.233-238
Main Authors: Zhang, Erpan, Zhang, Lili, Tan, Zhe, Ji, Zhenguo, Li, Qiaowei
Format: Article
Language:English
Subjects:
6-dicarboxylate
benzimidazole-5
benzimidazole‐5,6‐dicarboxylate
manganese
metal-organic framework
water stability
X射线粉末衍射
二维网络
二羧酸
单晶X-射线衍射
单晶X射线衍射分析
框架材料
苯并咪唑
金属有机
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Summary:A new two-dimensional metal-organic framework （MOF） structure has been synthesized by mild solvothermal reaction of MnC12o4H20 with 1H-benzimidazole-5,6-dicarboxylic acid （H3bidc） at 85℃. The structure has been characterized by single-crystal X-ray diffraction, powder X-ray diffraction （PXRD）, infrared spectroscopy （FT-IR）, and thermogravimetric analysis （TGA）. Single-crystal X-ray diffraction analysis revealed that this MOF is a five-coordinated Mn（II） compound exhibiting a layered 2D network, in which the hydrogen-bonding interactions between uncoordinated carboxylic oxygen atoms and N--H groups in the imidazole rings play a key role in the fi- nal 3D supramolecular architecture. This MOF shows high thermal stability up to 400℃. Furthermore, XRD pattern of the MOF structure was retained for up to 20 d after soaked in water, and only 2.8 wt% of the MOF was decomposed within the first 48 h in water.
ISSN:1001-604X
1614-7065
DOI:10.1002/cjoc.201500636