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Solvothermal Synthesis, Structure of Deuterated Olefin-Copper(I) Coordination Polymers

Author: HuBin
Tutor: LiYongXiu；XiongRenGen
School: Nanchang University
Course: Applied Chemistry
Keywords: Deuterated Solvothermal Synthesis Crystal structure Pyridine derivatives Olefin copper (I) Coordination polymers
CLC: O631.3
Type: Master's thesis
Year: 2007
Downloads: 81
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Abstract


Ferroelectric and dielectric material are usually based on pure inorganic compounds to carry , and rarely involve organometallic compounds . The preliminary findings of our research group : the deuterated complexes will affect the physical properties . Search for the dielectric material for high-performance , we have designed and synthesized a series of deuterated and non - deuterated pyridine derivative , and select one of the four kinds , including: 4 - ( 2 - allyl-5 - tetrazol- yl ) pyridine ( L 5 < / sup> ) , 3 - ( 2 - allyl-5 - tetrazol- yl ) pyridine (L e ), 4 - (2 - allyl-5 - tetrazolyl) -2,6 - deuterated pyridine ( L 6 < / SUP > ) , 3 - ( 2 - allyl-5 - tetrazol- yl) -2,6 - deuterated pyridine (L f ), respectively, under in 70-75 ℃ anaerobic conditions with CuCl and CuBr thermal reaction of methanol solvent . 8 olefins copper ( I ) complexes crystallized product , and 8 product crystal structure determination using X- ray diffraction . In the L 5 and L 6 < / sup> olefin copper ( I ) complexes , each of the two central Cu ( I ) ion with a ligand on the pyridine ring N atoms and another equipped with the double bond on the body olefin ligand , and then to μ 2 - bridging mode Cl or Br atom ligand into dimer nodes forming 1D duplexes topology . The the L 5 and L 6 < / sup> olefin copper ( I ) complexes of Cu ( I ) ions with pyridine N atoms , olefin double bond and the end of Cl or Br atom is coordinated to form a triangular planar configuration , topology 1D single chain . All ligand olefin bond length than that ligand olefinic double bond length , that monovalent copper ligand activation of the olefin double bond . Are found in all the complexes have strong π-π stacking interaction , weak hydrogen bonding effect in the part of the complexes , thus contributing to the complex to form a mesh structure .

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CLC: > Mathematical sciences and chemical > Chemistry > Polymer chemistry ( polymer ) > Polymer physics and physical chemistry of polymers > The chemical nature of polymers
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