One Novel Tetranuclear Copper Cluster by 2-(1H-Pyrazol-3-yl)pyridine:Synthesis, Structure and Properties

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摘要 A novel tetranuclear copper cluster [Cu4(μ-L)6Cl2] was constructed by 2-(1H-pyrazol-3-yl) pyridine (HL) under hydrothermal conditions, and structurally concluded by single-crystal X-ray diffractions, elemental analyses and IR spectra. The title complex 1 was of triclinic system, space group P , C24H18ClCu2N9, Mr = 595.01, a = 9.6497(13), b = 11.4133(7), c = 13.0919(15) Å, α = 99.166(7), β = 108.707(11), γ = 111.974(9)o, V = 1200.7(2) Å3, Z = 2, Dc = 1.997 g/cm3, F(000) = 706, μ(MoKα) = 3.203 mm-1, Rint = 0.0404, R = 0.0536 and wR = 0.1490 for 4890 observed reflections with I > 2σ(I). In this structure, complex 1 was the unimolecule with unprecedented tetranuclear cluster, which was expanded into a 2D network by wide-ranging C–H···Cl intermolecular hydrogen bonds and further exhibited a 3D supramolecular architecture based on π-π stacking interactions. In addition, the complex was thermally stable up to 300 oC and the solid state fluorescent property of 1 was examined and compared with the ligand.

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	朱梅
	谢伟楠
	杨买娥
	华丰珍
	张国宁
	王玉成
	赵红

关键词 ： 2-(1H-pyrazol-3-yl)pyridine, tetranuclear copper cluster, fluorescent property

Abstract：A novel tetranuclear copper cluster [Cu4(μ-L)6Cl2] was constructed by 2-(1H-pyrazol-3-yl) pyridine (HL) under hydrothermal conditions, and structurally concluded by single-crystal X-ray diffractions, elemental analyses and IR spectra. The title complex 1 was of triclinic system, space group P , C24H18ClCu2N9, Mr = 595.01, a = 9.6497(13), b = 11.4133(7), c = 13.0919(15) Å, α = 99.166(7), β = 108.707(11), γ = 111.974(9)o, V = 1200.7(2) Å3, Z = 2, Dc = 1.997 g/cm3, F(000) = 706, μ(MoKα) = 3.203 mm-1, Rint = 0.0404, R = 0.0536 and wR = 0.1490 for 4890 observed reflections with I > 2σ(I). In this structure, complex 1 was the unimolecule with unprecedented tetranuclear cluster, which was expanded into a 2D network by wide-ranging C–H···Cl intermolecular hydrogen bonds and further exhibited a 3D supramolecular architecture based on π-π stacking interactions. In addition, the complex was thermally stable up to 300 oC and the solid state fluorescent property of 1 was examined and compared with the ligand.

Key words： 2-(1H-pyrazol-3-yl)pyridine tetranuclear copper cluster fluorescent property

收稿日期: 2019-07-09 出版日期: 2020-05-14

基金资助:

The work was financially supported by the Jiangsu Ainaji Neoenergy Science & Technology Co., Ltd. (8507040091), the Fundamental Research Funds for the Central Universities (3207045420) and the National Natural Science Foundation of China (81703366)

通讯作者: wangyucheng@imb.pumc.edu.cn E-mail: wangyucheng@imb.pumc.edu.cn

引用本文:

朱梅;谢伟楠;杨买娥;华丰珍;张国宁;王玉成;赵红. One Novel Tetranuclear Copper Cluster by 2-(1H-Pyrazol-3-yl)pyridine:Synthesis, Structure and Properties[J]. 结构化学, 2020, 39(5): 949-954.
ZHU Mei;XIE Wei-Nan;YANG Mai-E;HUA Feng-Zhen;ZHANG Guo-Ning;WANG Yu-Cheng;ZHAO Hong. One Novel Tetranuclear Copper Cluster by 2-(1H-Pyrazol-3-yl)pyridine:Synthesis, Structure and Properties. CHINESE JOURNAL OF STRUCTURAL CHEMISTRY, 2020, 39(5): 949-954.

链接本文:

http://manu30.magtech.com.cn/jghx/CN/ 或 http://manu30.magtech.com.cn/jghx/CN/Y2020/V39/I5/949

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