Uranium Tetrafluoride

Uranium Tetrafluoride

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Uranium Tetrafluoride

UF4

 

Uranium Tetra Fluoride

Meets ACS specifications

uranium (IV) fluoride

  • Formula as commonly written: UF4
  • Hill system formula: F4U1
  • CAS registry number: [10049-14-6]
  • Formula weight: 314.023
  • Class: fluoride

Synonyms

  • uranium (IV) fluoride
  • uranium fluoride
  • uranium tetrafluoride

Physical properties

  • Colour: green
  • Appearance: crystalline solid
  • Melting point: 960°C; 1036°C
  • Boiling point: 1417°C
  • Density: 6700 kg m-3

Element analysis and oxidation numbers

For each compound, and where possible, a formal oxidation number for each element is given, but the usefulness of this number is limited, especially so for p-block elements in particular. Based upon that oxidation number, an electronic configuration is also given but note that for more exotic compounds you should view this as a guide only.

Element % Formal oxidation state Formal electronic configuration
F 24.20 -1 [He].2s2.2p6
U 75.80 4 [Rn].5f2

Synthesis

Not available

Solid state structure

  • Geometry of uranium: 8 coordinate: square antiprismatic
  • Prototypical structure:

Isotope pattern

What follows is the calculated isotope pattern for the UF4 unit with the most intense ion set to 100%.

Formula: U1F4

mass  %
310   0.0 
311   0.7 
312   0.0 
313   0.0 
314 100.0

 

 

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