Neptunium silicide: Difference between revisions
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m FIx molecular formula: Si2 -> NpSi2 |
removed Category:Neptunium compounds; added Category:Neptunium(III) compounds using HotCat |
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| PIN = |
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| OtherNames = Neptunium disilicide |
| OtherNames = Neptunium disilicide |
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|Section1={{Chembox Identifiers |
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| CASNo = |
| CASNo = 60862-56-8 |
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| SMILES = [Np].[Si].[Si] |
| SMILES = [Np].[Si].[Si] |
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| StdInChI = 1S/Np.2Si |
| StdInChI = 1S/Np.2Si |
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| Appearance = Crystals |
| Appearance = Crystals |
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| Density = 9.03 |
| Density = 9.03 |
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| Solubility = insoluble}} |
| Solubility = insoluble}} |
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{{Silicides}} |
{{Silicides}} |
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[[Category:Neptunium compounds]] |
[[Category:Neptunium(III) compounds]] |
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[[Category:Silicon compounds]] |
[[Category:Silicon compounds]] |
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[[Category:Inorganic compounds]] |
[[Category:Inorganic compounds]] |
Latest revision as of 11:39, 5 January 2024
Names | |
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Other names
Neptunium disilicide
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Identifiers | |
3D model (JSmol)
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Properties | |
NpSi2 | |
Appearance | Crystals |
Density | 9.03 |
insoluble | |
Related compounds | |
Related compounds
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Plutonium silicide |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Neptunium silicide is a binary inorganic compound of neptunium and silicon with the chemical formula NpSi
2.[1] The compound forms crystals and does not dissolve in water.[2]
Synthesis
[edit]Heating neptunium trifluoride with powdered silicon in vacuum:[3]
Physical properties
[edit]Neptunium silicide forms crystals[4] of tetragonal crystal system, space group I41/amd, cell parameters: a = 0.396 nm, c = 1.367 nm, Z = 4.[5]
Neptunium disilicide does not dissolve in water.
Chemical properties
[edit]Neptunium disilicide reacts with HCl:[3]
References
[edit]- ^ Donnay, J. D. H.; Nowacki, Werner (1954). Crystal Data: Classification of Substances by Space Groups and their Identification from Cell Dimensions. Geological Society of America. p. 383. ISBN 978-0-8137-1060-0. Retrieved 16 August 2021.
- ^ Koch, Günter (5 October 2013). Transurane: Teil C: Die Verbindungen (in German). Springer-Verlag. p. 245. ISBN 978-3-662-11547-3. Retrieved 16 August 2021.
- ^ a b Sheft, Irving; Fried, Sherman (1950). New Neptunium Compounds. U.S. Atomic Energy Commission, Technical Information Division. p. 4. Retrieved 16 August 2021.
- ^ Zachariasen, William Houlder (1949). The Crystal Structure of Uranium Silicides and of CeSi2, NpSi2, and PuSi2. U.S. Atomic Energy Commission, Technical Information Branch. p. 3. Retrieved 16 August 2021.
- ^ "mp-21298: NpSi2 (tetragonal, I4_1/amd, 141)". materialsproject.org. Retrieved 16 August 2021.