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  • 學位論文

金屬聚合錯合物之晶體結構與客分子調控結構之擴張或收縮研究

Guest molecule-Induced Crystal Expansion and Contraction of Metal-Organic Coordination Polymers

指導教授 : 呂光烈 許貫中
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摘要


本論文研究重點,在於將含 pyridine 和羧酸基的HL1、HL2、HL3 (HL1 = 2-(2''''-pyridineyl)-benzimidazole-5-carboxylic acid;HL2=4-(3H-imidazo[4,5-c]-pyridin-2-yl)benzoic acid; HL3 = 4-((E)-(4-aminopyridin-3-ylimino)methyl)- benzoic acid),分別與錳、鈷、銅、鎘和鋅等兩價離子,利用室溫擴散自組裝合成法與水熱自組裝合成法,製備具有有機-無機金屬微孔洞配位聚合物。 本論文探討所合成的13種化合物,分別為{[Mn(L1)2]•2H2O•C7H8}n(1)、{[Mn(L1)2]•2H2O•THF}n (2)、{[Mn(L1)2]•2H2O•DMF}n(3)、[Mn(L1)2 (H2O)]n (4)、{[Mn(L1)2]•2H2O•C7H8}n(5)、[Cu(L1)2 (H2O)(ClO4)2] (6)、[M(L2)2 (H2O)4]•6H2O (7-11),M = 錳、鈷、銅、鎘和鋅等兩價離子, { [KCd3(L3)6 (H2O)3](ClO4)•3.5H2O•MeOH}n(12)、[Cd2(L3)4 (H2O)2]n(13)等。 於論文分為兩部分探討,第一部分的主題為各晶體結構特性、 熱穩定及其他物性上的鑑定分析;第二部分將針對化合物1、2 對於甲醇、水、THF、甲苯、鄰-二甲苯、間-二甲苯與對-二甲苯、DMF、DMSO 和1,3,5,-三甲基苯等客分子置換的探討,並利用粉末繞射、熱重分析、元素分析來佐證其置換結果。

並列摘要


In this thesis, the self-assembly reaction of three types of ligands,2-(2'-pyridineyl)-benzimidazole-5 –carboxylic acid(HL1);4-(3H-imidazo[4,5-c]-pyridin-2-yl)benzoic acid(HL2),4-((E)-(4-aminopyridin-3-ylimino)methyl)benzoic acid(HL3)with MnII, CoII,CuII, ZnII and CdII metal ions, respectively, have been studied. A series ofcoordination polymers {[Mn(L1)2]•2H2O•C7H8}n(1)、{[Mn(L1)2]•2H2O•THF}n(2)、{[Mn(L1)2]•2H2O•DMF}n(3)、[Mn(L1)2(H2O)]n (4)、{[Zn(L1)2]•2H2O•C7H8}n(5)、[Cu(L1)(H2O)(ClO4)]2(6)、[M(L2)2(H2O)4]•6H2O]7, M = MnII; 8, M = CoII; 9, M = CuII; 10, M = ZnII; 11, M = CdII、{ [KCd3(L3)6(H2O)3] (ClO4)•3.5H2O•MeOH}n(12)、[Cd2(L3)4(H2O)2]n(13)were successfully synthesized. The first part of this thesis will discuss the structures, thermal stability and physical properties of the products. The second part will focus on the guest exchange properties of the 1D microporous compounds 1 and 2. Guest molecules, such as H2O, methanol, THF, DMF, DMSO, toluene, o-xylene m-xylene p-xylene and mesitylene will be examined and the exchange results were confirmed by PXRD, TGA and EA studies.

參考文獻


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