Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Chemical compound
Uranyl fluoride is the inorganic compound with the formula UO2F2. As shown by x-ray crystallography, the uranyl (UO22+) centers are complemented by six fluoride ligands.[1]
This salt is very soluble in water as well as hygroscopic. It is formed in the hydrolysis of uranium hexafluoride (UF6):
UF6 + 2 H2O → UO2F2 + 4 HF
It can also be formed in the hydrofluorination of uranium trioxide (UO3):
UO3 + 2 HF → UO2F2 + H2O[2]
^Zachariasen, W. H. (1948). "Crystal chemical studies of the 5f-series of elements. III. A study of the disorder in the crystal structure of anhydrous uranyl fluoride". Acta Crystallographica. 1 (6): 277–281. Bibcode:1948AcCry...1..277Z. doi:10.1107/S0365110X48000764.
^Jang, Harry; Louis-Jean, James; Poineau, Frederic (2023-06-20). "Synthesis and Morphological Control of UO2F2 Particulates". ACS Omega. 8 (24): 21996–22002. doi:10.1021/acsomega.3c01999. ISSN 2470-1343. PMC 10286299. PMID 37360455.
Uranylfluoride is the inorganic compound with the formula UO2F2. As shown by x-ray crystallography, the uranyl (UO22+) centers are complemented by six...
In uranylfluoride, UO2F2, the uranium atom achieves a coordination number of 8 by forming a layer structure with two oxygen atoms in a uranyl configuration...
it reacts with the water in the air to produce UO2F2 (uranylfluoride) and HF (hydrogen fluoride) both of which are highly corrosive and toxic. In 2005...
Tetrauranium heptadecafluoride, U4F17 Tetrauranium octadecafluoride, U4F18 Uranylfluoride, UO2F2 This set index article lists chemical compounds articles associated...
produce UO2F2 (uranylfluoride), a solid, and HF (hydrogen fluoride), a gas, both of which are highly soluble and toxic. The uranylfluoride solid acts to...
associated with the generation of highly toxic hydrofluoric acid and uranylfluoride rather than with uranium itself. Finely divided uranium metal presents...
removal of ammonium ions in the synthesis of zeolites; defluorination of uranylfluoride to create uranium dioxide and hydrofluoric acid gas; heat treatment...
conversion processes, involving either uranium tetrafluoride (UF4) or uranylfluoride (UO2F2) as intermediates. It is generally considered to be the more...
Asf) is a very rare complex hydrated calcium and magnesium-bearing uranylfluoride carbonate mineral with formula Ca4Mg(UO2)2(CO3)6F2·17H2O. Its molar...
concept of the "Radiator", that would use heavy water solutions of uranylfluoride. They were essentially transferred from LASL to UCRL and follow-up...
or metal) and/or chemical composition (e.g., uranium hexafluoride, uranylfluoride, plutonium nitrate, or mixed oxide) of a particular fissile material...
components. Under these conditions, the uranous fluorides go through metamorphosis, becoming uranylfluoride complexes. The fluorine ion activity decays due...
comes in contact with air moisture, it reacts to form HF and gaseous uranylfluoride. HF is a corrosive acid that can be extremely dangerous if inhaled;...
"Induction of chromosomal aberrations in male mouse germ cells by uranylfluoride containing enriched uranium" (PDF). Mutation Research. 244 (3): 209–214...
Fluoride nitrates are mixed anion compounds that contain both fluoride ions and nitrate ions. Compounds are known for some amino acids and for some heavy...
linear "uranyl" group, UO2+ 2. Between 4 and 6 ligands can be accommodated in an equatorial plane perpendicular to the uranyl group. The uranyl group acts...
critical experiments with heavy water solutions of enriched uranium as uranylfluoride were carried out at Los Alamos to support an idea of Edward Teller...
(Mohr's salt), potassium uranyl sulfate (used to discover radioactivity) and bromlite BaCa(CO3)2. The fluorocarbonates contain fluoride and carbonate anions...
include heating to drive off volatile elements, burning via oxidation, and fluoride volatility (which uses extremely reactive Fluorine). Each process results...
uranium(VI) state and is known to form compounds such as uranyl carbonate, uranyl chloride and uranyl sulfate. UO2+ 2 also forms complexes with various organic...
dilute uranyl nitrate solution. They were then able to get the process to work but it produced tons of precipitate, where the lanthanum fluoride process...
η5-C5H5) or [AgOTeF5-(C6H5CH3)2]2. In the actinide series, uranyl compounds such as uranyl chloride (UO2Cl2) and [UO2Cl4]2− are well known and contain...
(AsO43−) and vanadate (VO43−) substitutions, along with chloride (Cl−), fluoride (F−), and hydroxide (OH−) anions, that also fit into the crystal structure...
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