Potassium pentachloronitridoosmate
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3D model (JSmol)
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| 36326 | |
PubChem CID
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CompTox Dashboard (EPA)
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| Properties | |
| K2[OsCl5N] | |
| Molar mass | 459.7 g/mol |
| Appearance | Reddish brown solid |
| Soluble | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Potassium pentachloronitridoosmate is an inorganic chemical compound with the formula K2[OsCl5N]. It is a true nitride, as the nitrogen atom is bonded directly to the osmium atom, which is itself in the +6 oxidation state.
Synthesis
[edit | edit source]The compound is made by reacting potassium osmiamate with cold hydrochloric acid in the presence of potassium chloride.[1][2]
- KOsO3N + KCl + 6HCl → K2OsCl5N + Cl2 + 3H2O
Properties
[edit | edit source]Potassium pentachloronitridoosmate is a red powder that is easily soluble in water, the solutions of which slowly decompose. It is soluble in HCl, but insoluble in organic solvents, and it decomposes in alkali. It forms prismatic crystals.[1]
Reactions
[edit | edit source]Ozone can oxidize this compound back to potassium osmiamate. HCl and stannous chloride reduce it to K2Os(NH2)Cl5, which is regarded as an amide of potassium hexachloroosmate.[1][3]
References
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