Neptunium(IV) fluoride
| Names | |
|---|---|
| IUPAC name
Neptunium(IV) fluoride | |
| Other names
Neptunium tetrafluoride | |
| Identifiers | |
3D model (JSmol) |
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PubChem CID |
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CompTox Dashboard (EPA) |
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| Properties | |
| NpF4 | |
| Molar mass | 313 g/mol |
| Appearance | Green solid |
| Structure | |
| Monoclinic, mS60 | |
| C2/c, No. 15 | |
a = 1.27 nm, b = 1.0082 nm, c = 0.833 nm α = 90°, β = 126.03°, γ = 90° | |
Lattice volume (V) |
0.86256 nm3 |
Formula units (Z) |
12 |
| Thermochemistry | |
Heat capacity (C) |
116 ± 4 J/mol·K |
Std molar entropy (S⦵298) |
148 ± 3 J/mol·K |
Std enthalpy of formation (ΔfH⦵298) |
−1874 ± 16 kJ/mol |
Gibbs free energy (ΔfG⦵) |
−1783 ± 16 kJ/mol |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references | |
Neptunium(IV) fluoride or neptunium tetrafluoride is a inorganic compound with the formula NpF4. It is a green salt and is isostructural with UF4.