Salamo型3d-4f金屬配合物的合成、晶體結(jié)構(gòu)及熒光性質(zhì)研究
發(fā)布時間:2019-03-18 17:41
【摘要】:Salen型金屬配合物在生物、催化、磁性材料等領(lǐng)域均有廣泛的應用研究,特別是Salen型3d-4f配合物近年來成為配位化學的熱點,是材料領(lǐng)域的研究重點之一。通過Salen型配體衍生出的Salamo型配體,因其更穩(wěn)定的螯合功能可形成結(jié)構(gòu)更多樣更復雜的金屬配合物。為了進一步研究Salamo型3d-4f異金屬配合物的合成、晶體結(jié)構(gòu)及光物理性能,本文設(shè)計并成功合成了Salamo型雙肟配體H2L以及六種3d-4f異核雙金屬配合物[Zn(L)(OAc)Sm(NO3)2](1),[Zn(L)(OAc)Eu(NO3)2](2),[Zn(L)(OAc)Tb(NO3)2](3),[Zn(L)(OAc)Dy(NO3)2](4),[Cu(L)Nd(NO3)2(C2H5OH)](5),[Zn(L)(OAc)Ce(NO3)2(CH3OH)](6)。配合物1:化學組成為C22H25SmN4O14Zn,Mr=785.18,屬于單斜晶系,空間群P21/n,晶胞參數(shù):a=13.1508(10)?,b=13.2882(9)?,c=16.3883(9)?,β=104.519(7)°,Z=4,V=2772.4(3)?3,R1=0.0724,wR2=0.0931;配合物2:化學組成為C22H25EuN4O14Zn,Mr=786.82,屬于單斜晶系,空間群P21/n,晶胞參數(shù):a=13.1508(7)?,b=13.2769(5)?,c=16.3725(9)?,β=104.442(6)°,Z=4,V=2768.3(2)?3,R1=0.0490,wR2=0.0639;配合物3:化學組成為C22H25TbN4O14Zn,Mr=793.75,屬于單斜晶系,空間群P21/n,晶胞參數(shù):a=13.1130(6)?,b=13.2655(5)?,c=16.3649(7)?,β=104.340(5)°,Z=4,V=2758.0(2)?3,R1=0.0386,wR2=0.0610;配合物4:化學組成為C22H25DyN4O14Zn,Mr=797.33,屬于單斜晶系,空間群P21/n,晶胞參數(shù):a=13.0950(5)?,b=13.2699(4)?,c=16.3621(6)?,β=104.270(4)°,Z=4,V=2755.52(17)?3,R1=0.0337,wR2=0.0563;配合物5:化學組成為C22H28NdN5O16Cu,Mr=826.27,屬于單斜晶系,空間群P21/n,晶胞參數(shù):a=9.4291(3)?,b=15.2896(4)?,c=21.3512(4)?,β=92.353(2)°,Z=4,V=3075.55(14)?3,R1=0.0352,wR2=0.0587;配合物6:化學組成為C23H29CeN4O15Zn,Mr=806.99,屬于三斜晶系,空間群P1,晶胞參數(shù):a=9.0577(8)?,b=12.0332(13)?,c=15.4757(13)?,α=99.496(8)°,β=102.562(7)°,γ=111.854(9)°,Z=2,V=1470.7(3)?3,R1=0.0345,wR2=0.0649;通過核磁氫譜、元素分析、紅外光譜等方法對得到的配體和配合物進行表征,利用X-射線晶體衍射法確定配合物結(jié)構(gòu),并對ZnIILnIII(Ln=Sm,Eu,Tb,Dy)配合物的熒光性質(zhì)和磁性進行了初步分析,對其發(fā)光機理展開初步探討。
[Abstract]:Salen-type metal complexes have been widely used in the fields of biology, catalysis, magnetic materials and so on. Especially, Salen-type 3d-4f complexes have become a hot spot in coordination chemistry in recent years and become one of the research focuses in the field of materials. Salamotype ligands derived from Salen ligands can form more diverse and complex metal complexes because of their more stable chelating function. In order to further study the synthesis, crystal structure and photophysical properties of Salamotype 3d-4f heterometallic complexes, Salamotype dioxime ligand H2L and six 3d-4f heteronuclear bimetallic complexes [Zn (L) (OAc) Sm (NO3) 2] (1), [Zn (L) (OAc) Eu (NO3) 2] (2) were designed and synthesized. [Zn (L) (OAc) Tb (NO3) 2] (3), [Zn (L) (OAc) Dy (NO3) 2] (4), [Cu (L) Nd (NO3) 2 (C2H5OH)] (5), [Zn (L) (OAc) Ce (NO3) 2 (CH3OH)] (6). Complex 1: the chemical group is C22H25SmN4O14Zn, Mrx785.18, belongs to monoclinic system, the space group P21um, the unit cell parameters: a, 13. 1508 (10)?, b, 13. 2882 (9)?, c, 16. 3883 (9)?, 尾 = 104.519 (7) 擄, Z, 4, V = 2772.4 (3)? 3, R1 / 0.0724, wR2 / 0.0931; Complex 2: the chemical group is C22H25EUN4O14Zn, Mrx786.82, belongs to monoclinic system, the space group P21um, the unit cell parameters: a, 13.1508 (7)?, b, 13.2769 (5)?, c, 16.3725 (9)?, 尾 = 104.442 (6) 擄, Z, 4, V = 2768.3 (2)? 3, R1 / 0.0490, wR2 / 0.0639; Complex 3: the chemical group is C22H25TbN4O14Zn, Mrx793.75, belongs to monoclinic system, the space group P21um, the cell parameters: a, 13.1130 (6)?, b, 13.2655 (5)?, c, 16.3649 (7)?, 尾 = 104.340 (5) 擄, Z, 4, V = 2758.0 (2)? 3, R1 / 0.0386, wR2 / 0.0610; Complex 4: the chemical group is C22H25DyN4O14Zn, Mrx797.33, belongs to monoclinic system, the space group P21um, the unit cell parameters: a, 13.0950 (5)?, b, 13.2699 (4)?, c = 16.3621 (6)?, 尾 = 104.270 (4) 擄, Z, 4, V = 2755.52 (17)? 3, R1 / 0.0337, wR2 / 0.0563; Complex 5: the chemical composition is C22H28NdN5O16Cu, Mrx826.27, belongs to monoclinic system, the space group P21um, the cell parameters: a, 9. 4291 (3)?, b, 15. 2896 (4)?, c, 21. 3512 (4)?, 尾 = 92.353 (2) 擄, Z, 4, Va 3075.55 (14)? 3, R1 / 0.0352, wR2 / 0.0587; Complex 6: the chemical composition is C23H29CeN4O15Zn, Mrs, 806.99, belongs to the triclinic system, space group P1, the cell parameters: a, 9.0577 (8)?, (b) 12.0332 (13)?, (c) 15.4757 (13)?, 偽 = 99.496 (8) 擄, 尾 = 102.562 (7) 擄, 偽 = 99.496 (8) 擄, 尾 = 102.562 (7) 擄, 偽 = 99.496 (8) 擄, 尾 = 102.562 (7) 擄, 緯 = 111.854 (9) 擄, Z 2, V = 1470.7 (3)? 3, R1 / 0.0345, wR2 / 0.0649; The ligands and complexes were characterized by NMR, elemental analysis and infrared spectroscopy. The structure of the complexes was determined by X-ray crystal diffraction and ZnIILnIII (Ln=Sm,Eu,Tb,). The fluorescence properties and magnetic properties of Dy) complexes were analyzed, and the luminescence mechanism of the complexes was discussed.
【學位授予單位】:蘭州交通大學
【學位級別】:碩士
【學位授予年份】:2017
【分類號】:O641.4
本文編號:2443073
[Abstract]:Salen-type metal complexes have been widely used in the fields of biology, catalysis, magnetic materials and so on. Especially, Salen-type 3d-4f complexes have become a hot spot in coordination chemistry in recent years and become one of the research focuses in the field of materials. Salamotype ligands derived from Salen ligands can form more diverse and complex metal complexes because of their more stable chelating function. In order to further study the synthesis, crystal structure and photophysical properties of Salamotype 3d-4f heterometallic complexes, Salamotype dioxime ligand H2L and six 3d-4f heteronuclear bimetallic complexes [Zn (L) (OAc) Sm (NO3) 2] (1), [Zn (L) (OAc) Eu (NO3) 2] (2) were designed and synthesized. [Zn (L) (OAc) Tb (NO3) 2] (3), [Zn (L) (OAc) Dy (NO3) 2] (4), [Cu (L) Nd (NO3) 2 (C2H5OH)] (5), [Zn (L) (OAc) Ce (NO3) 2 (CH3OH)] (6). Complex 1: the chemical group is C22H25SmN4O14Zn, Mrx785.18, belongs to monoclinic system, the space group P21um, the unit cell parameters: a, 13. 1508 (10)?, b, 13. 2882 (9)?, c, 16. 3883 (9)?, 尾 = 104.519 (7) 擄, Z, 4, V = 2772.4 (3)? 3, R1 / 0.0724, wR2 / 0.0931; Complex 2: the chemical group is C22H25EUN4O14Zn, Mrx786.82, belongs to monoclinic system, the space group P21um, the unit cell parameters: a, 13.1508 (7)?, b, 13.2769 (5)?, c, 16.3725 (9)?, 尾 = 104.442 (6) 擄, Z, 4, V = 2768.3 (2)? 3, R1 / 0.0490, wR2 / 0.0639; Complex 3: the chemical group is C22H25TbN4O14Zn, Mrx793.75, belongs to monoclinic system, the space group P21um, the cell parameters: a, 13.1130 (6)?, b, 13.2655 (5)?, c, 16.3649 (7)?, 尾 = 104.340 (5) 擄, Z, 4, V = 2758.0 (2)? 3, R1 / 0.0386, wR2 / 0.0610; Complex 4: the chemical group is C22H25DyN4O14Zn, Mrx797.33, belongs to monoclinic system, the space group P21um, the unit cell parameters: a, 13.0950 (5)?, b, 13.2699 (4)?, c = 16.3621 (6)?, 尾 = 104.270 (4) 擄, Z, 4, V = 2755.52 (17)? 3, R1 / 0.0337, wR2 / 0.0563; Complex 5: the chemical composition is C22H28NdN5O16Cu, Mrx826.27, belongs to monoclinic system, the space group P21um, the cell parameters: a, 9. 4291 (3)?, b, 15. 2896 (4)?, c, 21. 3512 (4)?, 尾 = 92.353 (2) 擄, Z, 4, Va 3075.55 (14)? 3, R1 / 0.0352, wR2 / 0.0587; Complex 6: the chemical composition is C23H29CeN4O15Zn, Mrs, 806.99, belongs to the triclinic system, space group P1, the cell parameters: a, 9.0577 (8)?, (b) 12.0332 (13)?, (c) 15.4757 (13)?, 偽 = 99.496 (8) 擄, 尾 = 102.562 (7) 擄, 偽 = 99.496 (8) 擄, 尾 = 102.562 (7) 擄, 偽 = 99.496 (8) 擄, 尾 = 102.562 (7) 擄, 緯 = 111.854 (9) 擄, Z 2, V = 1470.7 (3)? 3, R1 / 0.0345, wR2 / 0.0649; The ligands and complexes were characterized by NMR, elemental analysis and infrared spectroscopy. The structure of the complexes was determined by X-ray crystal diffraction and ZnIILnIII (Ln=Sm,Eu,Tb,). The fluorescence properties and magnetic properties of Dy) complexes were analyzed, and the luminescence mechanism of the complexes was discussed.
【學位授予單位】:蘭州交通大學
【學位級別】:碩士
【學位授予年份】:2017
【分類號】:O641.4
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