Dissertation
Dissertation > Mathematical sciences and chemical > Chemistry > Organic Chemistry > Organic Chemistry general issues > Theory of organic chemistry,physical organic chemistry

Syntheses and Characterizations of Sulfo-carboxylic Acid Organic Ligands and Their Metal-organic Compounds

Author DanZengMei
Tutor LiuQingYan
School Jiangxi Normal University
Course Organic Chemistry
Keywords 5 - sulfoisophthalic benzene dicarboxylic acids 4,8 - disulfonate 2,6 - naphthalene dicarboxylic acid Metal - organic ligand compound NMR Crystal structure Fluorescence Magnetic
CLC O621.1
Type Master's thesis
Year 2011
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Metal - organic ligand compound as a solid material in gas storage, optoelectronic materials, magnetic materials and catalytic showed huge potential applications. Its research involves many fields of organic, inorganic, solid-state chemistry and materials chemistry, chemical research today has become one of the hot spots. The organic ligand having a molecular clipping function, and inorganic ion having the rich light electromagnetic properties, and therefore, metal - organic ligand compound both can exhibit the qualities of organic compounds having the performance of the inorganics. This thesis containing both a sulfonic acid group-containing carboxylic acid groups of the bifunctional organic ligand: 5 - sulfonic acid group, isophthalic acid (H 3 SIP) and 4,8 - disulfonate 2,6 - naphthalene dicarboxylic acid (H 4 DSNDA). Firstly, the sulfonation reaction synthesized two organic ligands, and then use both organic ligand with a transition metal and lanthanide metal ions, synthesized by the reaction of 12 metal - organic ligand compound. (A) the transition metal and 5 - sulfoisophthalic benzene dicarboxylic organic ligand under reaction conditions of the hydrothermal synthesis, the three novel compounds: [Zn 2 2 < / sub>-OH) (SIP) (DPP) (H 2 O)] n (1), {[Zn 3 2 -OH 2 ) 2 (SIP) 2 (phen) 3 ( H 2 O) 3 ] (H 2 O) 5 } n ( 2), and {of [Cu 4 3 -OH) 2 (SIP) 2 (imz) < sub> 2 ] (H 2 O) 2 } n (3) (DPP 1,3 - bis (4 - pyridyl) propane, phen 1,10 - phenanthroline, imz imidazole). (B) lanthanide metal ion and 4,8 - disulfonate -2,6 - naphthalene dicarboxylic acid organic ligand under reaction conditions of the hydrothermal synthesis of nine novel compounds: {[Pr 4 < / sub> (μ 3 -OH) 4 (DSNDA ) 2 (H 2 O) 12 ] (H 2 O) 12 } n (4), [Ln (( H-DSNDA) 0.5 (DSNDA) 0.5 - (H 2 O) 5 ] n < / sub> (Ln = La (5), Nd (6), Gd (7), Eu (8), Dy (9), and Sm (10)), [(H-DPP) 2 Eu 2 (DSNDA) 2 (H 2 O) 8 ] n (11) {[Er (H-DSNDA) (H 2 O) 4 ] (H 2 O)} n (12). papers these two organic ligands, structural characterization of NMR and IR. characterize the structure, such as a single crystal X-ray diffraction and infrared spectra of all of the metal - organic ligand compound, while topological structure of some of these compounds, fluorescent properties, magnetic, and thermal stability of this thesis is divided into five parts: The first chapter is the introduction, a brief introduction sulfonation reaction, and sulfonic acid - carboxylic organic ligands metal compounds latest research progress. experimental part synthesis of the two sulfonic acid - organic carboxylic acid ligands and 12 metal - acid - carboxylic acid organic compounds Chapter two sulfonic acid - carboxylic acid characterized the structure of the organic ligand, and 12 metal - organic ligand compound crystal structure has been described and analyzed. compound [Zn 2 2 - OH) (SIP) (DPP) (H 2 O)] n (1) is a 5 - sulfo isophthalic acid and 1,3 - bis (4 - pyridyl) propane ligands bridged zinc ions the formation of three-dimensional structure of the compounds contained in the three-dimensional structure of an equal number of left / right hand Zn-SIP helical chains. compound {[Zn 3 2 -OH 2 ) 2 (SIP) 2 (phen) 3 (H 2 O) 3 ] (H 2 O) 5} n (2) is a dimensional chain structure, different structural units of the two structures are included in the one-dimensional chain. compounds {[Cu 4 3 -OH) 2 (SIP) 2 (imz) 2 ] (H 2 O) 2 } n (3) is a quad-core-based [Cu 4 3 -OH) 2 ] 6 < / sup> cluster of three-dimensional structure, the performance of the three-dimensional structure of rutile topology class. compounds {[Pr . 4 the 3 -OH) 4 (DSNDA) and < sub> 2 (H 2 O) 12 ] (H 2 O) 12 } < sub> n (4) is a quad-core-based [Pr 4 3 -OH) 4] cluster of three-dimensional structure, each of the four nuclear cluster is eight organic ligands to form a one-dimensional three-dimensional structure of the diamond-shaped holes in the structure. compounds [Ln ((H DSNDA),, 0.5 (DSNDA) 0.5 ( H 2 O) 5] n (5) to (10) is heterogeneous with crystalline compounds, they are two-dimensional wave-like layer structure of the compound [(H- The DPP) 2 Eu 2 (DSNDA) 2 (H 2 O) 8] n (11) a two-dimensional lattice-like layered structure, the layered structure of this two-dimensional lattice embedded play a regulating charge balancing effect 1,3 - two ( of the 4 - pyridyl) propane ligands Compound {[Er (H-DSNDA) (H 2 O) 4 ] (H 2 O)} n (12) is a thick layered structure of the two-dimensional fourth chapter of the physical properties of the metal - organic ligand compounds such as fluorescent and magnetic study the final chapter of this thesis work Summary and Outlook.

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