Crystal Structure of a Copper-Containing Uranyl Vanadate, Cu(UO2)2(V2O8)(H2O)4

IF 0.9 Q4 CHEMISTRY, INORGANIC & NUCLEAR

Radiochemistry Pub Date : 2026-02-08 DOI:10.1134/S1066362225060037

I. V. Kornyakov, Ya. G. Tagirova, E. N. Kotel’nikova, V. V. Gurzhiy

引用次数: 0

Abstract

Hydrothermal synthesis yielded single crystals of a copper uranyl vanadate, Cu(UO₂)₂(V₂O₈)(H₂O)₄. The compound crystallizes in the monoclinic system: space group C2/c, a = 16.0480(7), b = 8.2692(3), c = 10.6161(4) Å, β = 100.282(3)°, V = 1386.18(9) Å³, Z = 4, R₁ = 0.032. The crystals were characterized by X-ray diffraction analysis. The structure is based on layered complexes composed of uranyl pentagonal bipyramids and vanadium tetragonal pyramids linked through shared vertices and edges, with a topology typical of minerals of the francevillite and carnotite groups and their synthetic analogs.

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含铜钒酸铀酰Cu(UO2)2(V2O8)(H2O)4的晶体结构

水热合成得到了钒酸铀酰铜单晶Cu(UO2)2(V2O8)(H2O)4。该化合物在单斜晶系中结晶：空间群C2/c， a = 16.0480(7), b = 8.2692(3), c = 10.6161(4) Å， β = 100.282(3)°，V = 1386.18(9) Å3, Z = 4, R1 = 0.032。通过x射线衍射分析对晶体进行了表征。该结构是基于层状配合物，由铀酰五角形双金字塔和钒四角形金字塔组成，通过共享的顶点和边缘连接，具有典型的弗朗西维尔石和卡诺岩群矿物及其合成类似物的拓扑结构。

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来源期刊

Radiochemistry CHEMISTRY, INORGANIC & NUCLEAR-

CiteScore

1.30

自引率

33.30%

发文量

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.