Synthesis of New Crystalline Pu(V) Compounds from Solutions: II. Double Pu(V) Oxalates with Co(NH3)6 3+ Ions in the Outer Sphere
作者:N. N. Krot、A. A. Bessonov、M. S. Grigor’ev、I. A. Charushnikova、V. I. Makarenkov
DOI:10.1007/s11137-005-0058-x
日期:2005.3
Crystalline compounds of the general composition Co(NH3)6PuO2(C2O4)2·nH2O (n = 2, 3, 5) were isolated from freshly prepared neutral oxalate solutions of Pu(V) by addition of Co(NH3)6 3+ ions. These compounds are fairly stable in storage in air and poorly soluble in water. Previously unknown double Np(V) oxalates Co(NH3)6NpO2(C2O4)·nH2O (n = 2, 5) were also synthesized and studied. All the compounds of Pu(V) and Np(V) of the same composition are mutually isostructural. The behavior of these compounds at heating was studied, and their IR spectra were measured. The optical spectra of new Np(V) compounds were measured.
通过加入 Co(NH3)6 3+ 离子,从新制备的 Pu(V) 中性草酸盐溶液中分离出了一般成分为 Co(NH3)6PuO2(C2O4)2-nH2O (n = 2, 3, 5) 的结晶化合物。这些化合物在空气中储存相当稳定,但在水中的溶解度很低。此外,还合成并研究了之前未知的双镎(V)草酸盐 Co(NH3)6NpO2(C2O4)-nH2O (n = 2, 5)。所有成分相同的钚(V)和镎(V)化合物互为等结构。研究了这些化合物在加热时的行为,并测量了它们的红外光谱。还测量了新的 Np(V) 化合物的光学光谱。