氮雜環(huán)羧酸類金屬配合物的組裝、結構及其性質表征

1、分類號： 密 級： 學 號： 2009277 單位代碼： 10407 碩 士 學 位 論 文 論文題目: 氮雜環(huán)羧酸類金屬配合物的 氮雜環(huán)羧酸類金屬配合物的組裝、 組裝、 結構及其性質 結構及其性質表征 表征 研 究 方 向 配位化學 配位化學 專 業(yè) 名 稱 應用化學 應用化學 研 究 生 姓 名 楊燕明 楊燕明 導師姓名、職稱 唐云志 唐云志 副教授 副教授 2012 年 6 月 4 日 江西

2、3; 贛州 II Abstract In this paper, we report four different series metal-organic complexes based on transition metal ions (ZnⅡ, CoⅡ, CuⅡ), alkaline earth metal ions (SrⅡ, CaⅡ), rare earth metal ions(SmIII, NdIII) and organ

3、ic compounds containing nitrogen heterocyclic carboxylic acid. the structures of all these compounds were determined by X-ray single crystal diffractometer, part of them have been characterized by Elemental analysis, The

4、rmal analysis, Infrared spectra, Fluorescence spectra, Ultraviolet spectrum, and X-ray powder diffractometer. Firstly, utilizing 2,2’-biquinoline-4,4-dicarboxylate ligand (Na2bqdc) and CoⅡ with 2,2’-bipyridine as auxilia

5、ry ligand under hydrothermal condition produces a novel coordination polymer [Co(bqdc)· (bipy)· (H2O)]n (1). The molecular skeleton is bonded by bridging ligands to form a one-dimensional linear structure, and

6、then double neighboring linear structures are furthermore linked by hydrogen bonds resulting in the formation of an interesting one-dimensional ladder structure. Finally with the strong supramolecular interactions π-π st

7、acking lie in the structure. They are speculated to hold together the molecules into a three layer structure. Second, we introduce three new pyridine carboxylic complexes [Sr(bpdc)]n (2), [Cu(Hbpdc)]· ClO4 (3), [Cu(

8、H2bpdcClBr)· H2O]n (4). They are obtained from self-assembly of CuⅡ, SrⅡ with 2,2’-bipyridine-5,5’-dicarboxylic acid and 2,2’-bipyridine-3,3’-dicarboxylic acid. Complex 2 displays a three dimensional structure. The

9、TGA profiles indicates that there is no obviously chemical decomposition up to 450℃. There are many kinds of different interesting hydrogen bonds in Complexes 3. The interaction among hydrogen bonds and π-π stacking of t

10、he pyridine rings further constitutes a three-dimensional network structure. Complexes 4 is obtained by 2,2’-bipyridine-3,3’-dicarboxylic acid and CuBr2, the local geometry of the central metals can be described as a cag

11、e configuration. Moreover, two new metal-organic complexes, namely, [Ca(Hpidc)· (H2O)2]n (5) Zn(Hpidc)2· (H2O)2 (6) are hydrothermally synthesized and characterized. X-ray diffraction indicates, complex 5 is

12、a one-dimensional polymer. The central metal in complexe 6 is six coordinated, which connected by two water molecules, two nitrogen atoms from different imidazole groups and two oxygen atoms from carboxyl respectively. T

13、he framework is linked by these hydrogen bonds to form a three-dimensional structure. Finally, we synthetize two novel norfloxacin compounds [Nd(NFA)4(H2O)2]· (ClO4)· H2O (7), [Sm(NFA)2](NO3)(H2O)3]· 3(NO3

14、)· 3H2O· bipy (8). They are obtained from self-assembly of Sm(NO3)3, Nd(NO3)3with norfloxacin which is a drug-resisitenace. In the crystalline structure of the compound 7, the local geometry around central meta