New quatemary rare earth complexes [Ln(C 6H 5COO) 2(NO 3)(Bipy)] 2(Ln=La,Ce,Pr,Nd,Eu,Gd,Tb,Er) have been synthesized in mixed solution system with 8 hydroxyquinoline as the acidity accommodator and characterized by el...New quatemary rare earth complexes [Ln(C 6H 5COO) 2(NO 3)(Bipy)] 2(Ln=La,Ce,Pr,Nd,Eu,Gd,Tb,Er) have been synthesized in mixed solution system with 8 hydroxyquinoline as the acidity accommodator and characterized by elemental analysis,IR,UV, 1H NMR,ESR and fluorescence spectra.The crystal structure of complex [Ln(C 6H 5COO) 2(NO 3)(Bipy)] 2 was given,the competition of thermodynamics and kinetics has been observed for the first time.展开更多
The compleo(H_(2)O)4(3,3’-azpy)(3,3’-azpy)_(3)(PF_(6))_(2)}_(n)(3,3’-azpy=3,3’-azobispyridine)has been synthesized and characterized.The crystal(C_(40)H_(40)F_(12)CoN_(16)O_(4)P_(2),M r=1157.75)belongs to the tric...The compleo(H_(2)O)4(3,3’-azpy)(3,3’-azpy)_(3)(PF_(6))_(2)}_(n)(3,3’-azpy=3,3’-azobispyridine)has been synthesized and characterized.The crystal(C_(40)H_(40)F_(12)CoN_(16)O_(4)P_(2),M r=1157.75)belongs to the triclinic system,space groupP1with the following crystallographi c parameters:a=10.759(2),b=11.012(2),c=23.207(4)?;α=85.330(10),β=83.470(10),γ=69.770(10)°;V=2560.6(8)?3,D c=1.502g·cm-3,μ(Mo Kα)=0.498mm^(-1),F(000)=1178,Z=2,and final R_(1)=0.0469,w R_(2)=0.1053for observed reflections 5549(I>2.00σ(I)).The X-ray analysis reveals that cob alt?cation coordination environment is a distorted octahedral geometry,the Co^(2+)ion is coordinated by four oxygen ato ms of water in the equatorial plane,while the two nitrogen atoms of 3,3’-azpy occupy the axial positions.The complex forms a one-di mensional chain structure via3,3’-azpy bridging ligand.The one-dimension al chain forms three-dimensional network by hydrogen bonds andπ-πinter-actions.展开更多
A new compound（ClO4）2（H2O）0.5（azpy）was synthesized.Its structure was determined by single X-ray diffraction.The crystal belongs to triclinic system,space group P1.The crystallographic data:a=11.813（2）,b=12.574...A new compound（ClO4）2（H2O）0.5（azpy）was synthesized.Its structure was determined by single X-ray diffraction.The crystal belongs to triclinic system,space group P1.The crystallographic data:a=11.813（2）,b=12.574（2）,c=14.580（3）*!,a=84.048（6）,β=77.878（15）,γ=67.902（12）°,V=1961.1（7）*!3,Z=2,F（000）=926,Mr=904.57,Dc=1.532Mg/m3,μ=0.542mm-1,R1=0.0770,and wR2=0.1373.In the ctystal Mn（Ⅱ）ion is coordinated with six nitrogen from three phen ligands to form a distorted octahedron geometry.展开更多
文摘New quatemary rare earth complexes [Ln(C 6H 5COO) 2(NO 3)(Bipy)] 2(Ln=La,Ce,Pr,Nd,Eu,Gd,Tb,Er) have been synthesized in mixed solution system with 8 hydroxyquinoline as the acidity accommodator and characterized by elemental analysis,IR,UV, 1H NMR,ESR and fluorescence spectra.The crystal structure of complex [Ln(C 6H 5COO) 2(NO 3)(Bipy)] 2 was given,the competition of thermodynamics and kinetics has been observed for the first time.
文摘The compleo(H_(2)O)4(3,3’-azpy)(3,3’-azpy)_(3)(PF_(6))_(2)}_(n)(3,3’-azpy=3,3’-azobispyridine)has been synthesized and characterized.The crystal(C_(40)H_(40)F_(12)CoN_(16)O_(4)P_(2),M r=1157.75)belongs to the triclinic system,space groupP1with the following crystallographi c parameters:a=10.759(2),b=11.012(2),c=23.207(4)?;α=85.330(10),β=83.470(10),γ=69.770(10)°;V=2560.6(8)?3,D c=1.502g·cm-3,μ(Mo Kα)=0.498mm^(-1),F(000)=1178,Z=2,and final R_(1)=0.0469,w R_(2)=0.1053for observed reflections 5549(I>2.00σ(I)).The X-ray analysis reveals that cob alt?cation coordination environment is a distorted octahedral geometry,the Co^(2+)ion is coordinated by four oxygen ato ms of water in the equatorial plane,while the two nitrogen atoms of 3,3’-azpy occupy the axial positions.The complex forms a one-di mensional chain structure via3,3’-azpy bridging ligand.The one-dimension al chain forms three-dimensional network by hydrogen bonds andπ-πinter-actions.
文摘A new compound（ClO4）2（H2O）0.5（azpy）was synthesized.Its structure was determined by single X-ray diffraction.The crystal belongs to triclinic system,space group P1.The crystallographic data:a=11.813（2）,b=12.574（2）,c=14.580（3）*!,a=84.048（6）,β=77.878（15）,γ=67.902（12）°,V=1961.1（7）*!3,Z=2,F（000）=926,Mr=904.57,Dc=1.532Mg/m3,μ=0.542mm-1,R1=0.0770,and wR2=0.1373.In the ctystal Mn（Ⅱ）ion is coordinated with six nitrogen from three phen ligands to form a distorted octahedron geometry.
