Identifiers | |
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3D model (JSmol)
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Properties | |
CNp | |
Molar mass | 249 g·mol−1 |
Appearance | black-grey crystals |
Density | 13.2 g/cm3 |
insoluble | |
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 monocarbide is a binary compound of neptunium metal and carbon with the chemical formula NpC.[1][2]
Heating of freshly obtained neptunium hydride with carbon at 1400 °C:[3]
The compound forms black-grey crystals of cubic crystal system,[4] spatial group Fm3m.[5]