Neptunium(VI) fluoride
Chemical compound / From Wikipedia, the free encyclopedia
Dear Wikiwand AI, let's keep it short by simply answering these key questions:
Can you list the top facts and stats about Neptunium hexafluoride?
Summarize this article for a 10 year old
SHOW ALL QUESTIONS
Neptunium(VI) fluoride (NpF6) is the highest fluoride of neptunium, it is also one of seventeen known binary hexafluorides. It is an orange volatile crystalline solid.[1] It is relatively hard to handle, being very corrosive, volatile and radioactive. Neptunium hexafluoride is stable in dry air but reacts vigorously with water.
You can help expand this article with text translated from the corresponding article in German. (January 2013) Click [show] for important translation instructions.
|
Quick Facts Names, Identifiers ...
Names | |
---|---|
IUPAC name
Neptunium(VI) fluoride | |
Other names
Neptunium hexafluoride | |
Identifiers | |
3D model (JSmol) |
|
PubChem CID |
|
| |
| |
Properties | |
F6Np | |
Molar mass | 351 g·mol−1 |
Appearance | orange crystals |
Melting point | 54.4 °C (129.9 °F; 327.5 K) |
Boiling point | 55.18 °C (131.32 °F; 328.33 K) |
Structure | |
Orthorhombic, oP28 | |
Pnma, No. 62 | |
octahedral (Oh) | |
0 D | |
Thermochemistry[2]: 736 | |
Std molar entropy (S⦵298) |
229.1 ± 0.5 J·K−1·mol−1 |
Related compounds | |
Related fluoroNeptuniums |
Neptunium trifluoride |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
|
Close
At normal pressure, it melts at 54.4 °C and boils at 55.18 °C. It is the only neptunium compound that boils at a low temperature. Due to these properties, it is possible to easily separate neptunium from spent fuel.