| Identifiers | |
|---|---|
| 3D model (JSmol) | |
InChI
| |
SMILES
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| Properties | |
| Chemical formula | CNp |
| Molar mass | 249 g·mol |
| Appearance | black-grey crystals |
| Density | 13.2 g/cm |
| Solubility in water | insoluble |
| Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references | |
Neptunium monocarbide is a binary compound of neptunium metal and carbon with the chemical formula NpC.
Preparation
Heating of freshly obtained neptunium hydride with carbon at 1400 °C:
- NpHx + C → NpC + (x/2)H2↑
Physical properties
The compound forms black-grey crystals of cubic crystal system, spatial group Fm3m.
References
- Lemire, Robert J. (26 August 2001). Chemical Thermodynamics of Neptunium and Plutonium. Elsevier. p. 201. ISBN 978-0-444-50379-4. Retrieved 28 March 2024.
- Erdos, Paul (6 December 2012). The Physics of Actinide Compounds. Springer Science & Business Media. p. 37. ISBN 978-1-4613-3581-8. Retrieved 28 March 2024.
- Comprehensive Nuclear Materials. Elsevier. 22 July 2020. p. 187. ISBN 978-0-08-102866-7. Retrieved 28 March 2024.
- Advances in Inorganic Chemistry and Radiochemistry. Academic Press. 1968. p. 205. ISBN 978-0-08-057860-6. Retrieved 28 March 2024.
- Donnay, Joseph Désiré Hubert (1972). Crystal Data: Organic compounds. National Bureau of Standards. p. 3. Retrieved 28 March 2024.
| Neptunium compounds | |||
|---|---|---|---|
| Np(III) | |||
| Np(IV) |
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| Np(V) | |||
| Np(VI) | |||
| Np(VII) | |||
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