一维Zn(Ⅱ)配合物{[Zn(Hpntc)_2]·H_2O}_n的合成、结构及荧光性能研究
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摘要
以3,5-(4-羧酸苯基)-4-氨基-1,2,4-三氮唑为配体,六水合高氯酸锌为金属盐,通过水热合成法构筑了目标配合物。单晶结构解析表明该配合物属于三斜晶系,P-1空间群,单胞参数a=0. 800 79(12) nm,b=1. 136 01(11) nm,c=1. 636 91(16) nm,α=78. 070(8)°,β=81. 525(10)°,γ=84. 31(1)°。通过配体桥联,配合物形成一维链结构,再通过分子间氢键形成二维超分子结构。采用元素分析、红外光谱、粉末衍射对该配合物进行了表征,并研究了其室温下的固体荧光和乙醇溶液中的荧光性能。研究表明,配合物具有较强的荧光发射,是一种潜在的荧光材料。
The target complex was constructed via hydrothermal synthesis method with 3,5-( 4-carboxylic acid phenyl)-4-amino-1,2,4-triazole and zinc perchlorate hexahydrate.X-ray single crystal diffraction reveals that the complex crystalized in triclinic system and P-1 space group with unit cell parameters of a = 0. 800 79( 12) nm,b = 1. 136 01( 11) nm,c = 1. 636 91( 16) nm,α =78. 070( 8) °,β = 81. 525( 10) °,and γ = 84. 31( 1) °.The complex forms one dimension chains,and further interacts via hydrogenbonds,to give a two dimensional supramolecular structure.The structure was characterized by elemental analysis,infrared spectroscopy and powder X-ray diffraction.The luminescence of solid-state and in ethanol solution at room temperature was investigated,and the results show that the complex can emit strong luminescence,suggesting it is a potential luminescent material.
The target complex was constructed via hydrothermal synthesis method with 3,5-( 4-carboxylic acid phenyl)-4-amino-1,2,4-triazole and zinc perchlorate hexahydrate.X-ray single crystal diffraction reveals that the complex crystalized in triclinic system and P-1 space group with unit cell parameters of a = 0. 800 79( 12) nm,b = 1. 136 01( 11) nm,c = 1. 636 91( 16) nm,α =78. 070( 8) °,β = 81. 525( 10) °,and γ = 84. 31( 1) °.The complex forms one dimension chains,and further interacts via hydrogenbonds,to give a two dimensional supramolecular structure.The structure was characterized by elemental analysis,infrared spectroscopy and powder X-ray diffraction.The luminescence of solid-state and in ethanol solution at room temperature was investigated,and the results show that the complex can emit strong luminescence,suggesting it is a potential luminescent material.
引文
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[4]XU H,CAO C S,ZHAO B,et al. A water-stable lanthanide-organic framework as recyclable luminescent probe for detecting pollutant phosphorus anions[J].Chem.Commun.,2015,51(51):10 280-10 283.
[5]FENG X,FENG Y Q,GUO N,et al.Series d-f heteronuclear metal-organic frameworks:color tunability and luminescent probe with switchable properties[J]. Inorg.Chem.,2017,56(3):1 713-1 721.
[6]LI J P,LI B J,PAN M T,et al.Five multidimensional Co(Ⅱ)-complexes(zero-dimensional to three-dimensional)derived from an asymmetric 5-(pyridin-3-yl)-1Hpyrazole-3-carboxylic acid:syntheses,structures,and magnetic properties[J].Cryst.Growth Des.,2017,17(6):2 975-2 986.
[7]WENG Z W,REN Y H,GU M,et al.Two mixed-addenda Nb/W polyoxometalate-based hybrid compounds containing multicopper units:synthesis,structures,and electrochemical and magnetic properties[J]. Dalton Trans.,2018,47(1):233-239.
[8]XIONG G,YU B,DONG J,et al.Cluster-based MOFs with accelerated chemical conversion of CO2through C—C bond formation[J]. Chem. Commun.,2017,53(44):6 013-6 016.
[9]ZHU L,LIU X Q,JIANG H L,et al.Metal-organic frameworks for heterogeneous basic catalysis[J]. Chem. Rev.,2017,117(12):8 129-8 176.
[10]盖爽爽,江名.人血清白蛋白与Cu(Ⅱ)配合物的生物活性研究[J].化学通报,2018,81(3):253-257.
[11]石少明,覃江克,陈振锋,等.具有药用活性的稀土配合物在医药领域中的应用[J].华西药学杂志,2013,28(3):317-320.
[12]CHEN S S,LIU Q,ZHAO Y,et al. New metal-organic frameworks constructed from the 4-imidazole-carboxylate ligand:structural diversities,luminescence,and gas adsorption properties[J].Cryst.Growth Des.,2014,14(8):3 727-3 741.
[13]黄秋颖,江金永,李姗珊,等.基于氮杂环和羧酸配体的银(I)配合物的合成、结构及性能[J].南京理工大学学报,2017,41(4):533-538.
[14]刘露,洪梦如,刘莹莹,等.基于半刚性二羧酸配体的两个三维镉(Ⅱ)配位聚合物[J].无机化学学报,2018,34(1):187-194.
[15]张睿,顾晓龙,庞欢.两种含有四硫富瓦烯羧酸和1,10-菲咯啉配体的金属配合物的合成、结构及光学性质研究[J].化学通报,2017,80(10):958-962.
[16]SHELDRICK G M. A short history of SHELX[J]. Acta Cryst.,2008,64(1):112-122.
[17]王卓渊.Zn(Ⅱ)与氯苯基苯并咪唑配合物的园二色性和三维荧光性质[J].四川化工,2015,18(4):35-38.
[18]周勇,杨怡,朱肖.一种新型Zn-MOF配合物在荧光检测水体金属离子中的应用研究[J].化学试剂,2018,40(1):81-84.
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