锂、钠和锶氟谷氨酸锶盐：结构和某些性质

IF 0.9 Q4 CHEMISTRY, INORGANIC & NUCLEAR

Radiochemistry Pub Date : 2024-05-16 DOI:10.1134/S1066362224020012

V. N. Serezhkin, М. S. Grigoriev, М. V. Sukacheva, D. V. Pushkin, L. B. Serezhkina

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引用次数: 0

摘要

摘要通过 X 射线衍射分析，首次研究了 Li(UO2)2(C5H6O4)2F‧6H2O（I）、NaUO2(C5H6O4)F‧4H2O（II）和 Sr(UO2)2(C5H6O4)2F2‧8H2O（III）晶体的结构。I 晶体中的含铀结构单元为一维络合物 [UO2(C5H6O4)F0.5(H2O)]0.5-，晶体化学式为 AQ02M20.5M1，其中 A = UO22+，Q02 = C5H6O42-，M2 = F-，M1 = H2O；II 和 III 中的一维络合物具有相同的组成和结构 [UO2(C5H6O4)F]-，晶体化学式为 AQ02M2。在所有化合物中，U(VI)原子都实现了六角双锥配位，形成了配位多面体 UO2FO5（I）和 UO2F2O4（II 和 III）。研究发现，氟戊二酸铀酰{UJUBEG}的成分[UO2(С5H6O4)F]‧2H2O与电中性原理相矛盾，以前错误地将其表示为(Н3O)[UO2(С5H6O4)F]‧H2O。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Lithium, Sodium, and Strontium Fluoroglutaratouranylates: Structure and Some Properties

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Lithium, Sodium, and Strontium Fluoroglutaratouranylates: Structure and Some Properties

The structure of the crystals of Li(UO₂)₂(C₅H₆O₄)₂F‧6H₂O (I), NaUO₂(C₅H₆O₄)F‧4H₂O (II), and Sr(UO₂)₂(C₅H₆O₄)₂F₂‧8H₂O (III) was studied by X-ray diffraction analysis for the first time. The uranium-containing structural units in crystals of I are 1D complexes [UO₂(C₅H₆O₄)F_0.5(H₂O)]^0.5– with the crystal chemical formula AQ⁰²M²_0.5M¹, where A = UO₂²⁺, Q⁰² = C₅H₆O₄^2–, M² = F^–, M¹ = H₂O, and in II and III, 1D complexes of the same composition and structure [UO₂(C₅H₆O₄)F]^– with the crystal chemical formula AQ⁰²M². In all compounds, the U(VI) atoms implement hexagonal-bipyramidal coordination, forming coordination polyhedra UO₂FO₅ (I) and UO₂F₂O₄ (II and III). It was found that the uranyl fluoroglutarate {UJUBEG}, for which the composition [UO₂(С₅H₆O₄)F]‧2H₂O contradicting the of electroneutrality principle was previously erroneously indicated, should be considered as (Н₃O)[UO₂(С₅H₆O₄)F]‧H₂O.

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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.