Synthesis and complex study of cerium(IV) fluoride hydrate

被引：6

作者：

Il'in, Evgeny G. ^{[1
]}

Parshakov, Artemy S. ^{[1
]}

Iskhakova, Liudmila D. ^{[2
]}

Goeva, Lyudmila, V ^{[1
]}

Tarakanova, Elena G. ^{[1
]}

Simonenko, Nikolai P. ^{[1
]}

Privalov, Viktor, I ^{[1
]}

机构：

[1] Russian Acad Sci, NS Kurnakov Inst Gen & Inorgan Chem, Leninsky Prospect 31, Moscow 119991, Russia

[2] Russian Acad Sci, Dianov Fiber Opt Res Ctr, Prokhorov Gen Phys Inst, 38 Vavilov Str, Moscow 119333, Russia

来源：

JOURNAL OF FLUORINE CHEMISTRY | 2020年 / 236卷

关键词：

Hydrated cerium (IV) fluoride; XRD; TEM; F-19 {H-1}; (HNMR)-H-1; IR; -; spectroscopy; Thermogravimetry; TETRAFLUORIDE; CEF4;

D O I：

10.1016/j.jfluchem.2020.109576

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

By precipitating from an aqueous solution of Ce(SO4)(2)center dot 4H(2)O with 40 % hydrofluoric acid obtained a nanosized powder of cerium tetrafluoride hydrate with a composition close to CeF4*0.95 H2O. According to the results of x-ray phase analysis, the crystalline phase has a cubic lattice similar to lattice of PuF4 center dot 1.6H(2)O. The hydrate nanopowder is characterized by XRD, TEM, H-1 and F-19{H-1}NMR and IR - spectroscopy. Quantum chemical calculations of the IR- spectra of models of the possible interaction of water molecules with a fluorine ions have been carried out. The temperature behavior of the CeF4*0.95 H2O powder was studied by using X-ray powder diffraction analysis up to 300 degrees C and thermogravimetrically up to 200 degrees C.

引用

页数：5

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