The new complex [Ce(CH2=C(CH3)COO)2(NO3)(Phen)]2 was prepared in ethanol- a queous solution with 8- hydroxyquinoline as the acidity regulator. Its crystal structure was determined by X- ray diffraction analysis. The t...The new complex [Ce(CH2=C(CH3)COO)2(NO3)(Phen)]2 was prepared in ethanol- a queous solution with 8- hydroxyquinoline as the acidity regulator. Its crystal structure was determined by X- ray diffraction analysis. The title complex is t riclinic, space group P1, a=1.00832(3)nm, b=1.02858(8)nm, c=1.12350(8)nm, α =11 3.9250(10)° , β =103.8210(10)° , γ =81.4650(10)° , V=1.03252(14)nm3, Z=1, D c=1.700g· cm- 3, F(000)=522. The coordination number of Ce3+ is nine. CCDC: 211278.展开更多
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
A complex of lanthanides formulated as [La( p-OHC6H4CH2COO)3(phen)]2 was prepared from the water/ ethanol solution under normal temperturate with 8-hydroxyquinoline as the acidity conditionor,the complex was character...A complex of lanthanides formulated as [La( p-OHC6H4CH2COO)3(phen)]2 was prepared from the water/ ethanol solution under normal temperturate with 8-hydroxyquinoline as the acidity conditionor,the complex was characterized by elemental analysis,IR,1H NMR spectroscopy and X-ray crystal structure analysis. The crystal belongs to monoclinic crystal system,space group P21/n. The 1,10-phenanthroline and 4-hydroxyphenylacetic ligands coordinated to the center ion through O or N atoms. The structural feature of the complex were discussed.展开更多
文摘The new complex [Ce(CH2=C(CH3)COO)2(NO3)(Phen)]2 was prepared in ethanol- a queous solution with 8- hydroxyquinoline as the acidity regulator. Its crystal structure was determined by X- ray diffraction analysis. The title complex is t riclinic, space group P1, a=1.00832(3)nm, b=1.02858(8)nm, c=1.12350(8)nm, α =11 3.9250(10)° , β =103.8210(10)° , γ =81.4650(10)° , V=1.03252(14)nm3, Z=1, D c=1.700g· cm- 3, F(000)=522. The coordination number of Ce3+ is nine. CCDC: 211278.
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A complex of lanthanides formulated as [La( p-OHC6H4CH2COO)3(phen)]2 was prepared from the water/ ethanol solution under normal temperturate with 8-hydroxyquinoline as the acidity conditionor,the complex was characterized by elemental analysis,IR,1H NMR spectroscopy and X-ray crystal structure analysis. The crystal belongs to monoclinic crystal system,space group P21/n. The 1,10-phenanthroline and 4-hydroxyphenylacetic ligands coordinated to the center ion through O or N atoms. The structural feature of the complex were discussed.
