Osmium(V) chloride

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Osmium(V) chloride
Names
Other names
pentachloroosmium, osmium pentachloride
Identifiers
3D model (
JSmol
)
ChemSpider
  • InChI=1S/5ClH.Os/h5*1H;/q;;;;;+5/p-5
    Key: UVOYHLXSTOWTCX-UHFFFAOYSA-I
SMILES
  • Cl[Os](Cl)(Cl)(Cl)Cl
Properties
Cl5Os
Molar mass 367.48 g·mol−1
Appearance black solid
Density 4.09
Melting point 160 °C (320 °F; 433 K)
soluble
Structure
P21/c[1]
a = 9.17 Å, b = 11.5 Å, c = 11.97 Å
α = 90°, β = 109°°, γ = 90°.[2]
1194 Å3
8
Related compounds
Related compounds
 Osmium pentafluoride; Rhenium pentachloride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Osmium(V) chloride is an

inorganic chemical compound of osmium metal and chlorine with the chemical formula OsCl5.[3][4]

Potential synthesis

Osmium(V) chloride can be obtained in small amounts by reacting osmium hexafluoride with excess boron trichloride:[5]

2OsF6 + 4BCl3 → 2OsCl5 + 4BF3 + Cl2

It can also be obtained by the action of sulfur dichloride on osmium tetroxide:[2]

2OsO4 + 8SCl2 + 5Cl2 → 2OsCl5 + 8SOCl2

Physical properties

Osmium(V) chloride forms a black dimeric solid, isomorphic with

POCl3 to form a red-brown solution, which can crystallize OsCl5·POCl3.[6]

References

  1. ^ "Crystallography Open Database". qiserver.ugr.es. Retrieved 31 March 2023.
  2. ^
    ISSN 0020-1669
    . Retrieved 31 March 2023.
  3. ISBN 978-0-12-352651-9
    . Retrieved 31 March 2023.
  4. doi:10.1515/znb-1980-1207
    .
  5. ISBN 978-0-412-30120-9
    . Retrieved 31 March 2023.
  6. ISSN 1865-7117
    .
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