Sc(III), Zr(IV), Hf(IV), Th(IV), and U(VI) have been prepared. The mixed nitrate-bis-(2-ethylhexyl)-phosphates of Zr(IV), Hf(IV), Ce(IV), Ce(IV), and Th(IV) were also prepared. The infra-red absorption spectra of all these compounds were obtained, and the antisymmetric POO− stretching vibrations were compared. The POO− stretching vibration frequencies of the bis-(2-ethylhexyl)-phosphates of Sc(III)
Li(I),Na(I),K(I),Co(NH 3)6(III),Co(en)3(III),Sc(III),制备了Zr(IV),Hf(IV),Th(IV)和U(VI)。还制备了Zr(IV),Hf(IV),Ce(IV),Ce(IV)和Th(IV)的混合
硝酸盐-双-(2-乙基己基)-
磷酸盐。得到所有的这些化合物的红外吸收光谱,和反对称POO -伸缩振动进行比较。便便-发现Sc(III)和Th(IV)的双-(2-乙基己基)-
磷酸酯的拉伸振动频率与碱
金属盐和
钴盐的拉伸振动频率相似,表明
金属对氧的高离子特性
磷酸盐的键。Hf(IV)和Zr(IV)配合物与
磷酸盐的键合似乎具有更共价的特征。结论是,混合化合物中的
硝酸盐与
金属原子配位,并且
金属与
硝酸盐的键基本为共价键。混合化合物中与
磷酸盐的键合似乎与纯
磷酸盐中的键合不同。