Kohlgruber Tsuyoshi A, Surbella Iii Robert G
Pacific Northwest National Laboratory, 902 Battelle Boulevard, Richland, WA, 99354, USA.
Acta Crystallogr E Crystallogr Commun. 2023 Jul 7;79(Pt 8):702-706. doi: 10.1107/S2056989023005753. eCollection 2023 Jul 1.
A new uranyl tetra-chloride salt with chemical formula, (NH)[UOCl]·2HO, namely, di-ammonium uranyl tetra-chloride dihydrate, , was prepared and crystallized slow evaporation from a solution of 2 hydro-chloric acid. As confirmed by powder X-ray diffraction, the title compound crystallizes with an ammonium chloride impurity that formed as a result of the breakdown of a triazine precursor. The (UOCl) dianion is charge balanced by ammonium cations, while an extensive hydrogen-bond network donated from structural water mol-ecules stabilize the overall assembly. Compound adds to the extensive collection of actinyl tetra-chloride salts, but it represents the first without an alkali cation for purely inorganic compounds. Diffuse reflectance and luminescence spectra show typical absorption and emission behavior, respectively, of uranyl materials.
一种化学式为(NH)[UOCl]·2HO的新型四氯化铀酰盐，即二水合二氯化铵铀酰，通过在2盐酸溶液中缓慢蒸发结晶制得。粉末X射线衍射证实，该标题化合物结晶时含有因三嗪前体分解而形成的氯化铵杂质。(UOCl)二价阴离子由铵阳离子电荷平衡，而结构水分子提供的广泛氢键网络稳定了整个组装结构。该化合物增加了四氯化锕酰盐的丰富种类，但它代表了第一种不含碱金属阳离子的纯无机化合物。漫反射光谱和发光光谱分别显示了铀酰材料典型的吸收和发射行为。
