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.
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页数：5
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