机构地区: 中山大学化学与化学工程学院化学系
出 处: 《中山大学学报论丛》 1990年第3期124-130,共7页
摘 要: 合成了6种离子缔合型配合物Ln(TTA)_4^-QH^+及8种加和型配合物Ln(TTA)~3S_n〔Ln=Eu^(3+)、Gd^(2+);Q=Pip、N(C_2H_5)_4,+Dpg(二苯胍);S=H_2O、TPPO(n=2);Phen、Dpy(n=1)〕。测定了7种Eu(Ⅲ)配合物中红外及远红外区的红外、拉曼光谱和紫外吸收光谱,并对谱峰进行归属。讨论了这两种型式配合物的配位结构。 For comparing the coordination structure of tetra- and tri-TTA coordinated Ln-complexes, six ion-associated coordination compounds, [Ln(TTA)4]-[OH]+, and eight additive coordination compounds, Ln(TTA)3S1-2, were synthesized. (Ln=Eu,Gd; Q = Et4N+, Pip and Dpg; S=H2O, TPPO, Phen and Dpy). Their coordinated structures were characterized by infrared, Raman and ultraviolet absorption spectra. It shows that, both TTA and adduct ligands in Ln(TTA)3Sn are coordinating with Ln3+, while the ligands in [QH]+ions do not coordinate with Ln3+.