Langbahn Team – Weltmeisterschaft

Chromium(IV) chloride

Chromium(IV) chloride[1]
Identifiers
3D model (JSmol)
ChemSpider
  • InChI=1S/4ClH.Cr/h4*1H;/q;;;;+4/p-4 ☒N
    Key: FVIAFAGQDQRRCD-UHFFFAOYSA-J ☒N
  • InChI=1/4ClH.Cr/h4*1H;/q;;;;+4/p-4
    Key: FVIAFAGQDQRRCD-XBHQNQODAT
  • [Cl-].[Cl-].[Cl-].[Cl-].[Cr+4]
Properties
CrCl4
Molar mass 193.807 g/mol
Melting point Decomposes above −80 °C (−112 °F)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Chromium(IV) chloride (CrCl4) is an unstable chromium compound. It is generated by combining chromium(III) chloride and chlorine gas at elevated temperatures, but reverts to those substances at room temperature.[2][3]

References

  1. ^ Lide, David R. (1998). Handbook of Chemistry and Physics (87 ed.). Boca Raton, Florida: CRC Press. pp. 4–53. ISBN 0-8493-0594-2.
  2. ^ Plies, V. (1988). "Massenspektrometrische Untersuchungen der Gasphase über CrCl3 und CrCl3/Cl2". Zeitschrift für Anorganische und Allgemeine Chemie. 556: 120–8. doi:10.1002/zaac.19885560112.
  3. ^ B. Cuoni; F.P. Emmenegger; C. Rohrbasser; C.W. Schläpfer; P. Studer (1978). "Raman spectrum and structure of chromiumtetrachloride (CrCl4) and chromiumtetrabromide (CrBr4)". Spectrochimica Acta Part A: Molecular Spectroscopy. 34 (3): 247–251. doi:10.1016/0584-8539(78)80141-X.


Quelle: https://en.wikipedia.org/wiki/Chromium(IV)_chloride