The trinuclear nickel? complex Ni3(C11H11N2O3)2(C5H5N)4 was prepared by the reaction of Ni(OAc)2· 4H2O with N butylsalicylhydrazide Schiff base ligand and characterized by X ray crystallography. The crystal belon...The trinuclear nickel? complex Ni3(C11H11N2O3)2(C5H5N)4 was prepared by the reaction of Ni(OAc)2· 4H2O with N butylsalicylhydrazide Schiff base ligand and characterized by X ray crystallography. The crystal belongs to triclinic, Mr=930.91, space group with cell parameters a=9.8489(2)? , b=12.3110(2)? , c=18.4035(3)? , α =71.353(2)° , β =76.638(2)° ,γ =84.815(2)° ,V=2056.72(6)? 3,Z=2,Dc=1.503g· cm- 3, μ (MoKα ) =1.417mm- 1, F(000)=964, R=0.0317, wR=0.0868. A total of 5393 independent reflections were collected, of which 4448 reflections with I ≥ 2σ (I) were observed. There are two centrosymmetrical trinuclear molecules in a unit cell, each molecule exhibits a linear trinuclear metal arrangement with the Ni... Ni... Ni angle of 180° . The interatomic distances between the nickel atoms on the two sides are 9.2030(8)? and 9.1876(9)? for the two molecules, respectively. The central nickel atom adopts an axially elongated octahedral geometry whereas the nickel atoms on the two sides have square planar coordination environment. CCDC: 194083.展开更多
： The homobinuclear complexes of Cu(II) and Ni(II) with N,N′-bis(3-Carboxyl salicyl aminal ethylene) oxalamide were synthesized, and characterized by elemental analysis, IR spectra, Uv-visible spectra, conductometry...： The homobinuclear complexes of Cu(II) and Ni(II) with N,N′-bis(3-Carboxyl salicyl aminal ethylene) oxalamide were synthesized, and characterized by elemental analysis, IR spectra, Uv-visible spectra, conductometry, thermogravimetry, and magnetic susceptibility measurement, which indicated the complexes own an oxalic amide bridge-linking structure. Room temperature magnetic moment data show that there are antiferromagnetic spin coupling through oxalic amide conjugated double bond, In DMF, the redox half wave potential of Cu(II) binuclear complexes have been measured by cyclic voltammetry, which proves that the Cu(II) complex has two redox waves.展开更多
A trinuclear complex was synthesized by reaction of 2,2′-bipyridine1,1′dioxide with ZnCl2 in DMF solution.The ditrminations of elemental analysis,IR,UV,molar conductivity and TGDTA indicated the composition ...A trinuclear complex was synthesized by reaction of 2,2′-bipyridine1,1′dioxide with ZnCl2 in DMF solution.The ditrminations of elemental analysis,IR,UV,molar conductivity and TGDTA indicated the composition of the complex with formula Cl2.The study of sensitive properties showed the complex has good sensitivity and selectivity to ammonia.The sensor manufactured by the complex could be used in ammonia leakalarm and in production to control NH3.展开更多
文摘The trinuclear nickel? complex Ni3(C11H11N2O3)2(C5H5N)4 was prepared by the reaction of Ni(OAc)2· 4H2O with N butylsalicylhydrazide Schiff base ligand and characterized by X ray crystallography. The crystal belongs to triclinic, Mr=930.91, space group with cell parameters a=9.8489(2)? , b=12.3110(2)? , c=18.4035(3)? , α =71.353(2)° , β =76.638(2)° ,γ =84.815(2)° ,V=2056.72(6)? 3,Z=2,Dc=1.503g· cm- 3, μ (MoKα ) =1.417mm- 1, F(000)=964, R=0.0317, wR=0.0868. A total of 5393 independent reflections were collected, of which 4448 reflections with I ≥ 2σ (I) were observed. There are two centrosymmetrical trinuclear molecules in a unit cell, each molecule exhibits a linear trinuclear metal arrangement with the Ni... Ni... Ni angle of 180° . The interatomic distances between the nickel atoms on the two sides are 9.2030(8)? and 9.1876(9)? for the two molecules, respectively. The central nickel atom adopts an axially elongated octahedral geometry whereas the nickel atoms on the two sides have square planar coordination environment. CCDC: 194083.
文摘： The homobinuclear complexes of Cu(II) and Ni(II) with N,N′-bis(3-Carboxyl salicyl aminal ethylene) oxalamide were synthesized, and characterized by elemental analysis, IR spectra, Uv-visible spectra, conductometry, thermogravimetry, and magnetic susceptibility measurement, which indicated the complexes own an oxalic amide bridge-linking structure. Room temperature magnetic moment data show that there are antiferromagnetic spin coupling through oxalic amide conjugated double bond, In DMF, the redox half wave potential of Cu(II) binuclear complexes have been measured by cyclic voltammetry, which proves that the Cu(II) complex has two redox waves.
文摘A trinuclear complex was synthesized by reaction of 2,2′-bipyridine1,1′dioxide with ZnCl2 in DMF solution.The ditrminations of elemental analysis,IR,UV,molar conductivity and TGDTA indicated the composition of the complex with formula Cl2.The study of sensitive properties showed the complex has good sensitivity and selectivity to ammonia.The sensor manufactured by the complex could be used in ammonia leakalarm and in production to control NH3.
