I. A. Charushnikova, M. S. Grigoriev, A.M. Fedoseev
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引用次数: 0
摘要
摘要 合成了两种新的络合物 Np（VI）硝酸盐，它们分别与氨基甲酰脲（biuret）和特吡啶（Ph-Terpy）的衍生物组成[(NpO2)(biuret)(NO3)2]（I）和[H2(Ph-terpy)(NO3)]2[NpO2(NO3)4]（II），并在结构上进行了表征。化合物中 Np 原子的配位环境是畸变的六角二棱锥，"yl "氧原子位于顶端位置。复合物 I 中双锥体的赤道面是由两个双齿 NO3- 阴离子的氧原子和一个电中性配体形成的。复合物 II 中双锥体的赤道面由两个双齿和两个单齿 NO3- 阴离子的氧原子构成。两次质子化的 Ph-terpy 是络合物阳离子 [H2(Ph-terpy)(NO3)]+ 的基础。
Neptunium(VI) Nitrate Complexes with Urea and Terpyridine Derivatives
Two new complex Np(VI) nitrates with carbamoylurea (biuret) and with a derivative of terpyridine (Ph-Terpy) of the composition [(NpO2)(biuret)(NO3)2] (I) and [H2(Ph-terpy)(NO3)]2[NpO2(NO3)4] (II) have been synthesized and structurally characterized. The coordination environment of Np atoms in compounds are distorted hexagonal bipyramids with “yl” oxygen atoms in apical positions. The equatorial plane of the bipyramid in complex I is formed by oxygen atoms of two bidentate NO3– anions and an electroneutral ligand. The equatorial plane of the bipyramid in II is formed by oxygen atoms of two bidentate and two monodentate NO3– anions. The twice protonated Ph-terpy is the basis of the complex cation [H2(Ph-terpy)(NO3)]+.
期刊介绍：
Radiochemistry is a journal that covers the theoretical and applied aspects of radiochemistry, including basic nuclear physical properties of radionuclides; chemistry of radioactive elements and their compounds; the occurrence and behavior of natural and artificial radionuclides in the environment; nuclear fuel cycle; radiochemical analysis methods and devices; production and isolation of radionuclides, synthesis of labeled compounds, new applications of radioactive tracers; radiochemical aspects of nuclear medicine; radiation chemistry and after-effects of nuclear transformations.
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