物理化学学报
物理化學學報
물이화학학보
ACTA PHYSICO-CHIMICA SINICA
2001年
2期
181-184
,共4页
水杨醛酪氨酸席夫碱,铜(Ⅱ)配合物,合成,EPR波谱
水楊醛酪氨痠席伕堿,銅(Ⅱ)配閤物,閤成,EPR波譜
수양철락안산석부감,동(Ⅱ)배합물,합성,EPR파보
A new Schiff base derived from tyrosine and salicylidene and its copper(Ⅱ ) complex have been synthesized and characterized by elemental analyses,molar conductances,thermal analyses,infrared spectra,electronic spectra and EPR spectra.The composition of the complex is K[CuL(Ac)]· H2O, where L=H13C16NO4.EPR spectra of the copper(Ⅱ) complex were investigated in various solvents at different temperatures.It is found that the linewidth of four hyperfine lines on solution spectra at room temperature is unequal and changes with mⅠ ,this could be satisfactorily explained by the relaxation effect.The relaxation time and the relaxation rate were calculated.By using spectral parameters from solution spectra at low temperature,the bonding parameters of Cu(Ⅱ ) complex were calculated.The bonding characterization and stability of the complex were disscussed.The results show that the in-plane σ -bond and the in-plane π -bond in the complex all play an important role.
