Uranium Trichloride
Uranium Trichloride
UCl3
uranium (III) chloride
- Formula as commonly written: UCl3
- Hill system formula: Cl3U1
- CAS registry number: [10025-93-1]
- Formula weight: 344.387
- Class: chloride
Synonyms
- uranium (III) chloride
- uranium chloride
- uranium trichloride
Physical properties
- Colour: green
- Appearance: crystalline solid
- Melting point: 837°C
- Boiling point: 1657
- Density: 5500 kg m-3
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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 |
| Cl | 30.88 | -1 | [Ne].3s2.3p6 |
| U | 69.12 | 3 | [Rn].5f3 |
Synthesis
Not available
Solid state structure
- Geometry of uranium: 9 coordinate: tricapped trigonal prismatic
- Prototypical structure:
Isotope pattern
What follows is the calculated isotope pattern for the UCl3 unit with the most intense ion set to 100%.
Formula: U1Cl3
mass %339 0.0 340 0.7 341 0.0 342 0.7 343 100.0 344 0.2 345 95.9 346 0.0 347 30.7 348 0.0 349 3.3
