| Names | |
|---|---|
| Other names Protactinium mononitride, protactinium(III) nitride | |
| Identifiers | |
| CAS Number | |
| 3D model (JSmol) | |
InChI
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SMILES
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| Properties | |
| Chemical formula | NPa |
| Molar mass | 245.043 g·mol |
| Appearance | crystals |
| Density | 12.6 g/cm |
| Melting point | 2,227 °C (4,041 °F; 2,500 K) |
| Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references | |
Protactinium nitride is a binary inorganic compound of protactinium and nitrogen with the chemical formula PaN.
Synthesis
The compound can be obtained from the reaction of protactinium metal and nitrogen:
- 2Pa + N2 → 2PaN
Also by heating protactinium tetrachloride or pentachloride in ammonia gas.
Physical properties
PaN crystals are of cubic system with Fm3m space group.
References
- Modak, P; Verma, Ashok K; Svane, A; Christensen, N E; Sharma, Surinder M (22 January 2014). "Structural, vibrational, elastic and topological properties of PaN under pressure". Journal of Physics: Condensed Matter. 26 (3): 035403. arXiv:1308.3050. doi:10.1088/0953-8984/26/3/035403. PMID 24351318. Retrieved 8 February 2024.
- Murugan, A.; Priyanga, G. Sudha; Rajeswarapalanichamy, R.; Santhosh, M.; Iyakutti, K. (1 September 2016). "First principles study of structural, electronic, mechanical and magnetic properties of actinide nitrides AnN (An = U, Np and Pu)". Journal of Nuclear Materials. 478: 197–206. Bibcode:2016JNuM..478..197M. doi:10.1016/j.jnucmat.2016.06.016. ISSN 0022-3115. Retrieved 8 February 2024.
- Brooks, M. S. S.; Calestani, G.; Spirlet, J. C.; Rebizant, J.; Müller, W.; Fournier, J. M.; Blaise, A. (1 October 1980). "f-Electron contribution to bonding in protactinium compounds". Physica B+C. 102 (1): 84–87. Bibcode:1980PhyBC.102...84B. doi:10.1016/0378-4363(80)90132-1. ISSN 0378-4363. Retrieved 8 February 2024.
- Bohet, J.; Müller, W. (1 February 1978). "Preparation and structure studies of "Van Arkel" protactinium". Journal of the Less Common Metals. 57 (2): 185–199. doi:10.1016/0022-5088(78)90238-2. ISSN 0022-5088. Retrieved 8 February 2024.
- Bagnall, K. W. (1973). The Actinide Elements. Elsevier Publishing Company. p. 60. ISBN 978-0-444-41041-2. Retrieved 8 February 2024.
- Powder Diffraction File: Sets 6-33. [Section II] Inorganic. [v.1] Sets 1-5. American Society for Testing and Materials. 1960. p. 995. Retrieved 8 February 2024.
| Protactinium compounds | |
|---|---|
| Pa(II) | |
| Pa(III) | |
| Pa(IV) | |
| Pa(V) | |
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