Tetraethylammonium Hexafluoro Uranate(IV), Hafnate(IV), and Cerate(IV) Salts: Preparation and Solid-state Structure

被引：3

作者：

Balasekaran, Samundeeswari Mariappan ^{[1
]}

Hagenbach, Adelheid ^{[2
]}

Lentz, Dieter ^{[2
]}

Poineau, Frederic ^{[1
]}

机构：

[1] Univ Nevada, Dept Chem, 4505 South Maryland Pkwy, Las Vegas, NV 89154 USA

[2] Free Univ Berlin, Inst Chem & Biochem, Fabeckstr 34-36, D-14195 Berlin, Germany

来源：

ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE | 2019年 / 645卷 / 16期

关键词：

Uranium; Fluorine; Hafnium; Cerium; X-ray diffraction; CRYSTAL-STRUCTURES; COMPLEXES; URANIUM; FLUORINATION; FLUORIDES;

D O I：

10.1002/zaac.201900135

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The {N(C2H5)(4)}(2)[UF6]center dot 2H(2)O (1), {N(C2H5)(4)}(2)[HfF6]center dot 2H(2)O (2), and {N(C2H5)(4)}(2)[CeF6]center dot 6H(2)O (3) salts were prepared in high yield (ca. 80 %) from the reaction of MF4 with tetraethylammonium fluoride in propylene carbonate and for the first time their solid-state structures characterized by single-crystal X-ray diffraction. The compounds 1, 2 and 3 crystallize in the space groups Pcca, P2(1)/n(1) and Pca2(1), respectively. In 1, 2, and 3 the MF62- anions are almost octahedral with average M-F distances of 2.16, 1.999, and 2.148 angstrom.

引用

页码：1052 / 1056

页数：5

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