A New Zn(II) Complex Based on Mixed Ligands:Synthesis, Crystal Structureand Optical Properties

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摘要 A new complex {[Zn2(L)(cpa)2]·H2O}n (1) was prepared under hydrothermal conditions based on 4-carbonylphenylacetic acid (H2cpa) with multi-N-donor ligand 1,4-di(1H-imidazol-4-yl)benzene (L). The complex was characterized by IR spectroscopy, TGA, X-ray powder and single-crystal diffraction. It crystallizes in the orthorhombic system, space group Pbca with a = 8.6427(9), b = 16.1616(17), c = 20.941(2) Å, V = 2925.0(5) Å3, Z = 8, C15H13N2O5Zn, Mr = 366.64, Dc = 1.665 g/cm3, μ = 1.707 mm-1, S = 1.011, F(000) = 1496, the final R = 0.0385 and wR = 0.0945 for 3360 observed reflections (I > 2σ(I)). The central metal Zn(II) atom with distorted ZnO3N tetrahedral coordination geometry is four-coordinated by three oxygen and one nitrogen atoms. The cpa2- ligands connect Zn(II) atoms to form two-dimensional (2D) double-layer networks which are further pillared by L ligands into a binodal (3, 4)-connected three-dimensional (3D) architecture with a (63·103)(63) tcj/hc topology. Solid-state luminescent property together with quantum yield (QY) and luminescence lifetime is also investigated for compound 1.

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	王畅
	何子威
	王圆圆
	韩帅帅
	陈水生

关键词 ： synthesis, metal-organic frameworks, optical property

Abstract：A new complex {[Zn2(L)(cpa)2]·H2O}n (1) was prepared under hydrothermal conditions based on 4-carbonylphenylacetic acid (H2cpa) with multi-N-donor ligand 1,4-di(1H-imidazol-4-yl)benzene (L). The complex was characterized by IR spectroscopy, TGA, X-ray powder and single-crystal diffraction. It crystallizes in the orthorhombic system, space group Pbca with a = 8.6427(9), b = 16.1616(17), c = 20.941(2) Å, V = 2925.0(5) Å3, Z = 8, C15H13N2O5Zn, Mr = 366.64, Dc = 1.665 g/cm3, μ = 1.707 mm-1, S = 1.011, F(000) = 1496, the final R = 0.0385 and wR = 0.0945 for 3360 observed reflections (I > 2σ(I)). The central metal Zn(II) atom with distorted ZnO3N tetrahedral coordination geometry is four-coordinated by three oxygen and one nitrogen atoms. The cpa2- ligands connect Zn(II) atoms to form two-dimensional (2D) double-layer networks which are further pillared by L ligands into a binodal (3, 4)-connected three-dimensional (3D) architecture with a (63·103)(63) tcj/hc topology. Solid-state luminescent property together with quantum yield (QY) and luminescence lifetime is also investigated for compound 1.

Key words： synthesis metal-organic frameworks optical property

收稿日期: 2020-01-02 出版日期: 2020-10-10

基金资助:This work was supported by the Youth Talent Program from Anhui Province (gxbjZD19) and National College Students Innovation Training Program (201910371022)

通讯作者: sscfync@163.com E-mail: sscfync@163.com

引用本文:

王畅;何子威;王圆圆;韩帅帅;陈水生. A New Zn(II) Complex Based on Mixed Ligands:Synthesis, Crystal Structureand Optical Properties[J]. 结构化学, 2020, 39(10): 1855-1861.
WANG Chang;HE Zi-Wei;WANG Yuan-Yuan;HAN Shuai-Shuai;CHEN Shui-Sheng. A New Zn(II) Complex Based on Mixed Ligands:Synthesis, Crystal Structureand Optical Properties. CHINESE JOURNAL OF STRUCTURAL CHEMISTRY, 2020, 39(10): 1855-1861.

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http://manu30.magtech.com.cn/jghx/CN/ 或 http://manu30.magtech.com.cn/jghx/CN/Y2020/V39/I10/1855

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