Syntheses, Structure and Photo-Luminescent Properties of MnⅡ Complex with 2-(1H-1,2,4-Triazol-3-yl)pyridine

doi:10.11944/j.issn.1000-0518.2018.10.170356

Chinese Journal of Applied Chemistry ›› 2018, Vol. 35 ›› Issue (10): 1249-1255.DOI: 10.11944/j.issn.1000-0518.2018.10.170356

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Syntheses, Structure and Photo-Luminescent Properties of Mn^Ⅱ Complex with 2-(1H-1,2,4-Triazol-3-yl)pyridine

TAN Yuhui(),LIU Yi,CHEN Shaopeng,WANG Changfeng,TANG Yunzhi

School of Metallurgy and Chemical Engineering,Jiangxi University of Science and Technology,Ganzhou,Jiangxi 341000,China

Received:2017-09-28 Accepted:2017-11-30 Published:2018-10-01 Online:2018-10-09
Contact: TAN Yuhui
Supported by:
Supported by the National Natural Science Foundation of China(No.21471070, No.21761013, No.21261009, No.21461010), the Program of Jiangxi Provincial Science and Technology Department(No.20153BCB22006)

Abstract

Abstract:

A novel complex, [Mn(C₇H₅N₄)·(SO₄)·2H₂O](1), was synthesized by hydrothermal reaction of organic ligand 2-(1H-1,2,4-triazol-3-yl)pyridine(2-HTP) with MnSO₄·H₂O in ethanol aqueous solution. The analysis and characterization of complex 1 were obtained via elemental analysis, infrared(IR), X-ray single-crystal diffraction, solid fluorescence analysis, and thermogravimetric analysis(TGA). Crystal data of complex 1 at 297 K are:monoclinic, P2₁/n, a=1.16373(12) nm, b=0.79324(9) nm, c=1.40241(15) nm, V=1.1996(2) nm³, Z=4. Crystal structure analysis indicates that 2-HTPs, as bidentate ligands, coordinate to Mn²⁺ that links to two water molecules and SO42- by bridge connection into one-dimensional chain complex. In addition, there are π-π stacking between the aromatic-ring of 2-HTPs. Solid fluorescence analysis reveals that complex 1 shows blue fluorescence property with a strong emission at 477 nm.

Key words: 2-(1H-1,2,4-triazol-3-yl)pyridine, one-dimensional chain, blue fluorescence properties

TAN Yuhui,LIU Yi,CHEN Shaopeng,WANG Changfeng,TANG Yunzhi. Syntheses, Structure and Photo-Luminescent Properties of Mn^Ⅱ Complex with 2-(1H-1,2,4-Triazol-3-yl)pyridine[J]. Chinese Journal of Applied Chemistry, 2018, 35(10): 1249-1255.

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Syntheses, Structure and Photo-Luminescent Properties of Mn^Ⅱ Complex with 2-(1H-1,2,4-Triazol-3-yl)pyridine

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