Dichlorine heptoxide

• Formula: Cl₂O₇
• Molecular weight: 182.902
• IUPAC Standard InChI: InChI=1S/Cl2O7/c3-1(4,5)9-2(6,7)8 Copy

  
• IUPAC Standard InChIKey: SCDFUIZLRPEIIH-UHFFFAOYSA-N Copy
• CAS Registry Number: 12015-53-1
• Chemical structure:
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• Other names: Chlorine oxide (Cl2O7); Chlorine heptoxide; Perchloric anhydride
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• Information on this page:
  • Phase change data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Mass spectrum (electron ionization)
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Phase change data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Antoine Equation Parameters

log₁₀(P) = A − (B / (T + C))
    P = vapor pressure (bar)
    T = temperature (K)

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Gas phase ion energetics data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Appearance energy determinations

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Stull, 1947
Stull, Daniel R., Vapor Pressure of Pure Substances. Organic and Inorganic Compounds, Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022 . [all data]

Fisher, 1968
Fisher, I.P., Intermediates in the pyrolysis and mass spectrometry of chlorine monoxide and chlorine heptoxide, J. Chem. Soc. Faraday Trans., 1968, 64, 1852. [all data]

Notes

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• Symbols used in this document:
  

  AE	Appearance energy

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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