Syntheses, Crystal Structures and Properties of Two Coordination Polymers Based on Bisbenzimidazole

被引：0

作者：

贾强强 ^{[1
]}

万敏 ^{[1
]}

佟亮 ^{[1
]}

邢正 ^{[1
]}

王国喜 ^{[1
]}

陈立庄 ^{[1
]}

机构：

[1] School of Environmental and Chemical Engineering,Jiangsu University of Science and Technology

来源：

Chinese Journal of Structural Chemistry | 2021年 / 40卷 / 07期

基金：

中国国家自然科学基金;

关键词：

bisbenzimidazole ligand; crystal structure; fluorescence; methylene; carbonyl;

D O I：

10.14102/j.cnki.0254-5861.2011-3060

中图分类号：

O641.4 [络合物化学（配位化学）];

学科分类号：

070304 ; 081704 ;

摘要：

Two novel coordination polymers Bim(C=O)CuI](1) and[Bim(C=O)CdCl](2) based on the flexible ligand bis(1H-benzo[d]imidazol-2-yl)methane (Bim) were synthesized via volatilization method.They crystalize in monoclinic and triclinic crystal systems and adopt space group of P2/c and P1,respectively.The compounds were characterized by elemental analysis,infrared spectroscopy and powder X-ray diffraction analysis.Interestingly,methylene (-CH-) in Bim was oxidized to carbonyl (C=O),which increases its extra-cyclic conjugation effect.For 1 and 2,their maximum emission wavelength of fluorescence around 440 and 475 nm indicates the potential as promising light-emissive materials.Meaningfully,Coion shows a quenching effect on the fluorescence of compound 1.Besides,both compounds possess remarkable structure stability.

引用

页码：871 / 877

页数：7

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