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Molybdate Complexes of Np(V) with Li + and Na + Cations in the Outer Sphere
Radiochemistry Pub Date : 2020-09-06 , DOI: 10.1134/s1066362220040037
M. S. Grigor’ev , I. A. Charushnikova , A. M. Fedoseev

Abstract

Molybdate complexes of Np(V) with Li+ and Na+ cations of composition Li2[(NpO2)2(MoO4)2(H2O)]·8H2O (I), Na4[(NpO2)2(MoO4)3(H2O)]·5H2O (II), Na5[(NpO2)(MoO4)3]·5H2O (III) have been synthesized and structurally characterized. In compounds IIII, the coordination of Np atoms is constituted by pentagonal bipyramids. Structures I, II (NpO2+ : MoO42– ratio 1 : 1, 1 : 1.5) have a layered structure. In structure I, NpO2+ dioxocations are combined into pairs via the cation-cation interactions. Compound III (1 : 3 ratio) has a chain structure, with the lowest denticity of molybdate ions reached in this case.



中文翻译:

Np(V)与Li +和Na +阳离子在外层中的钼酸盐络合物

摘要

Np(V)与组成Li 2 [((NpO 22(MoO 42(H 2 O)]··8H 2 O(I),Na 4 [(NpO 2)]的Li +和Na +阳离子的钼酸盐络合物2(MoO 43(H 2 O)]·5H 2 O(II),Na 5 [(NpO 2)(MoO 43 ]·5H 2 O(III)已合成并进行了结构表征。在化合物IIII中, Np原子的配位由五边形双锥体构成。结构I,II(NpO 2 +:MoO 4 2-的比例为1:1,1:1:1.5)具有分层结构。在结构I中,NpO 2 +二氧代肟通过阳离子-阳离子相互作用成对结合。化合物III(1:3的比例)具有链结构,在这种情况下,钼酸盐离子的最低变性达到了。

更新日期:2020-09-07
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