Chemistry:Neptunyl fluoride
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Other names
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3D model (JSmol)
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| Properties | |
| NpO 2F 2 | |
| Molar mass | 307 g·mol−1 |
| Appearance | pink solid |
| soluble | |
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Other cations
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
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Tracking categories (test):
Neptunyl fluoride is an inorganic compound of neptunium, oxygen, and fluorine with the chemical formula NpO
2F
2.[1][2]
Synthesis
Neptunyl fluoride can be obtained by the reaction of the hydrated trioxide with gaseous HF and by direct fluorination of Np
2O
5 at 350 °C or NpO
3 · H2O at 225 °C.[3]
Physical properties
The compound forms a pink solid[3] of hexagonal crystal system, spatial group R3m.[4][5] Soluble in water, insoluble in common organic solvents.[1]
References
- ↑ 1.0 1.1 Macintyre, Jane E. (23 July 1992) (in en). Dictionary of Inorganic Compounds. CRC Press. p. 3153. ISBN 978-0-412-30120-9. https://books.google.com/books?id=9eJvoNCSCRMC&dq=Neptunyl+fluoride&pg=PA3153. Retrieved 29 September 2025.
- ↑ Ohwada, Ken (1 June 1971). "Uranium-fluorine lattice vibration of uranyl fluoride". Journal of Inorganic and Nuclear Chemistry 33 (6): 1615–1623. doi:10.1016/0022-1902(71)80596-1. ISSN 0022-1902. https://www.sciencedirect.com/science/article/abs/pii/0022190271805961. Retrieved 29 September 2025.
- ↑ 3.0 3.1 (in en) Advances in Inorganic Chemistry. Academic Press. 5 December 1984. p. 91. ISBN 978-0-08-057877-4. https://books.google.com/books?id=U-YOlLVuV1YC&dq=Neptunyl+fluoride&pg=PA91. Retrieved 29 September 2025.
- ↑ Donnay, Joseph Désiré Hubert (1973) (in en). Crystal Data: Inorganic compounds. National Bureau of Standards. p. 289. https://books.google.com/books?id=5lVCBwmZsLYC&dq=Neptunyl+fluoride&pg=RA7-PA205. Retrieved 29 September 2025.
- ↑ Nowacki, J. D. H. Donnay, and Werner (1954) (in en). Crystal Data: Classification of Substances by Space Groups and their Identification from Cell Dimensions. Geological Society of America. p. 459. ISBN 978-0-8137-1060-0. https://books.google.com/books?id=cY7wPiRzlUYC&dq=Neptunyl+fluoride&pg=PA698. Retrieved 29 September 2025.
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