Praseodymium(III) nitride is a binary inorganic compound of praseodymium and nitrogen.[2] Its chemical formula is PrN.[3] The compound forms black crystals, and reacts with water.
| Names | |
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| Other names
azanylidynepraseodymium, praseodymium(III) nitride | |
| Identifiers | |
3D model (JSmol) |
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| ChemSpider | |
| ECHA InfoCard | 100.042.935 |
| EC Number |
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PubChem CID |
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CompTox Dashboard (EPA) |
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| Properties | |
| NPr | |
| Molar mass | 154.915 g·mol−1 |
| Appearance | black crystals |
| Density | 7.46 g/cm3 |
| reacts with water | |
| Hazards | |
| GHS labelling: | |
 [1] | |
| Warning | |
| H315, H319, H335 | |
| P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501 | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Preparation
Praseodymium(III) nitride can be prepared by the reaction of nitrogen and metallic praseodymium on heating:
- 2 Pr + N2 → 2 PrN
It can also be prepared from the reaction of ammonia and praseodymium metal on heating:
- 2 Pr + 2 NH3 → 2 PrN + 3 H2
Properties
Praseodymium(III) nitride forms black crystals of a cubic system. The space group is Fm3m,[4] with cell parameter a = 0.5165 nm, Z = 4, its structure similar to that of sodium chloride (NaCl).
The compound is readily hydrolyzed with water and reacts with acids.
Applications
The compound is used in high-end electric and semiconductor products, and as a raw material to produce phosphor. Also it is used as a magnetic material and sputtering target material.[5]
References
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