含氮芳香多酸配體構(gòu)筑的配合物及性能研究
發(fā)布時間:2018-09-03 13:46
【摘要】:金屬-有機(jī)配合物由于其在催化、氣體的儲存與分離、熒光識別、藥物傳導(dǎo)、磁性等方面的潛在應(yīng)用價值,已經(jīng)在化學(xué)和材料科學(xué)領(lǐng)域引起了廣泛的興趣。本論文在溶劑熱條件下,基于含氮多羧酸配體6-(3,5-二羧基苯基)煙酸(H3DCPN),及幾種含氮共配體[4,4'-二(咪唑基)聯(lián)苯(4,4′-bibp)、1,4-二(苯并咪唑-1-基)苯(1,4-bbib)、1,2-二(咪唑-1-基甲基)苯(1,2-bimb)、1,4-二(1-咪唑基)苯(1,4-bib)、1,3-二(咪唑-1-基甲基)苯(1,3-bimb)、4,4′-四聯(lián)吡啶(4,4′-bpy)],與多種過渡和稀土金屬離子配位,成功合成出了14種結(jié)構(gòu)新穎的金屬-有機(jī)配合物。配合物1-14的分子式如下:{[Co(HDCPN)(4,4′-bibp)]·1.5H2O}n(1){[Co1.5(DCPN)(4,4′-bibp)1.5(H2O)]·H2O}n(2){[Co(HDCPN)(1,4-bbib)(H2O)]·2H2O}n(3)[Co(HDCPN)(1,4-bbib)]n(4){[Co8(DCPN)4(1,2-bimb)4(OH)4]·(CH3CN)0.5(H2O)2}n(5){[Co2(DCPN)(1,3-bimb)(OH)]·H2O}n(6){[Ni3(DCPN)2(1,4-bbib)4(H2O)4]·(CH3CH2OH)2(H2O)3}n(7)[Mn3(DCPN)2(4,4′-bibp)3(H2O)4]n(8)[Cd(HDCPN)(1,4-bib)0.5(H2O)2]n(9){[Cd3(DCPN)2(4,4′-bibp)2(H2O)]·1.5H2O}n(10)[Cd3(DCPN)2(4,4′-bibp)2(H2O)2]n(11){[Co(HDCPN)(4,4′-bpy)0.5(H2O)]·H2O}n(12){[Tb2(DCPN)2(H2O)4]·(DMA)(H2O)6}n(13)[Sm(DCPN)(DMSO)2]n(14)X-射線單晶衍射分析結(jié)果表明,配合物1為sql/Shubnikov的2D網(wǎng)絡(luò)結(jié)構(gòu);2是一個三節(jié)點(diǎn)(3,4,6)-連接的3D網(wǎng)絡(luò)結(jié)構(gòu);3是sql的2D網(wǎng)絡(luò)結(jié)構(gòu),鄰近層互相貫穿形成2D+2D→2D的網(wǎng)絡(luò)結(jié)構(gòu),而后它們通過氫鍵形成了3D超分子結(jié)構(gòu);4是sql的2D雙核結(jié)構(gòu),還通過氫鍵作用形成了3D超分子結(jié)構(gòu);5是二節(jié)點(diǎn)(3,6)-連接的kgd網(wǎng)絡(luò)結(jié)構(gòu);6為二節(jié)點(diǎn)(3,10)-連接的3D拓?fù)浣Y(jié)構(gòu),其Schl?fli符號為(418·624·83)(43)2;7為三節(jié)點(diǎn)(3,4,5)-連接的2D結(jié)構(gòu);8為(3,10)-連接的3D三核結(jié)構(gòu),屬于3,10T3(MOF.ttd);9是1D鏈結(jié)構(gòu),由氫鍵作用形成了3D超分子結(jié)構(gòu);10可被簡化為一個二節(jié)點(diǎn)(3,10)-連接的3D結(jié)構(gòu);11由主配與Cd(II)離子構(gòu)成的3D雙核結(jié)構(gòu)、及4,4′-bibp分子與Cd(II)離子構(gòu)成的2D結(jié)構(gòu)穿插而成;12為(3,4)-連接的2D雙層網(wǎng)絡(luò)結(jié)構(gòu),還通過氫鍵作用形成了2D+2D→3D的平行互穿3D超分子結(jié)構(gòu);13為(3,6)-連接的3D拓?fù)浣Y(jié)構(gòu),Schl?fli符號為(42·6)2(44·62·87·102);而14的3D雙核結(jié)構(gòu),由DCPN3-配體與周圍的雙核次級結(jié)構(gòu)單元相互連接而成,13與14同構(gòu)。此外,我們對這些配合物進(jìn)行了X-射線粉末衍射分析(PXRD)、元素分析(EA)、紅外光譜檢測分析(IR)和熱穩(wěn)定性檢測分析(TG),并對配合物1、3、4、5、6、8、12進(jìn)行了磁性質(zhì)的檢測,發(fā)現(xiàn)1、3、4、5、6、12有反鐵磁性,8有鐵磁性,還測定了8的磁化強(qiáng)度及交流磁化率;對配合物9、10、11、13、14進(jìn)行了熒光性質(zhì)的測定,表明10對對硝基苯酚(NP)表現(xiàn)出較好的熒光猝滅行為,11對對硝基苯胺(NA)的熒光識別能力更強(qiáng),13與14均為分散在DMSO中時顯示出最強(qiáng)的熒光強(qiáng)度,在丙酮中最弱,且兩種配合物均對對硝基苯酚(NP)和對硝基苯胺(NA)表現(xiàn)出較好的熒光猝滅行為,14的熒光識別能力相對更強(qiáng)。
[Abstract]:Due to their potential applications in catalysis, gas storage and separation, fluorescence recognition, drug conduction, magnetism and so on, metal-organic complexes have attracted extensive interest in the fields of chemistry and material science. In this paper, under solvothermal conditions, Based on the nitrogen-containing polycarboxylic acid ligand 6- (3O5- dicarboxyphenyl) nicotinic acid (H3DCPN), and several nitrogen-containing co-ligands [4C4C- bis (imidazolyl) biphenyls (4m4mbbbp)] 1- (benzimidazole-1-yl) benzene (14-bbib) (Imidazole-1-methylphenyl) benzene (12-bimb) -4- (1-imidazolyl) benzene (14-imidazolyl) (imidazole-1-methyl-benzene) benzene (1k3- bimb) 4zapyridine-tetrapyridine-tetrapyridine (4PY), coordinated with a variety of transition and rare earth metal ions, Fourteen novel metal-organic complexes were successfully synthesized. 閰嶅悎鐗,
本文編號:2220144
[Abstract]:Due to their potential applications in catalysis, gas storage and separation, fluorescence recognition, drug conduction, magnetism and so on, metal-organic complexes have attracted extensive interest in the fields of chemistry and material science. In this paper, under solvothermal conditions, Based on the nitrogen-containing polycarboxylic acid ligand 6- (3O5- dicarboxyphenyl) nicotinic acid (H3DCPN), and several nitrogen-containing co-ligands [4C4C- bis (imidazolyl) biphenyls (4m4mbbbp)] 1- (benzimidazole-1-yl) benzene (14-bbib) (Imidazole-1-methylphenyl) benzene (12-bimb) -4- (1-imidazolyl) benzene (14-imidazolyl) (imidazole-1-methyl-benzene) benzene (1k3- bimb) 4zapyridine-tetrapyridine-tetrapyridine (4PY), coordinated with a variety of transition and rare earth metal ions, Fourteen novel metal-organic complexes were successfully synthesized. 閰嶅悎鐗,
本文編號:2220144
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