hafnium tetrachloride

• Formula: Cl₄Hf
• Molecular weight: 320.30
• CAS Registry Number: 13499-05-3
• Information on this page:
  • Phase change data
  • Gas phase ion energetics data
  • References
  • Notes
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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.

Data compiled as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos

Enthalpy of sublimation

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: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization 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.

Denisova, Safronova, et al., 1967
Denisova, N.D.; Safronova, E.K.; Pustil'nik, A.I.; Bystrova, O.N., Boundary Liqui-Vapor Curve and Saturated Vapour Pressure of Zirconium and Hafnium Tetrachlorides, Russ. J. Phys. Chem. (Engl. Transl.), 1967, 41, 30. [all data]

Nisel'son, Sokolova, et al., 1967
Nisel'son, L.A.; Sokolova, T.D.; Stolyarov, V.I., Some Properties of Hafnium Tetrachloride in the Liquid and Vapor States, Russ. J. Phys. Chem. (Engl. Transl.), 1967, 41, 884. [all data]

Tangri and Bose, 1994
Tangri, R.P.; Bose, D.K., Vapour pressure measurement of zirconium chloride and hafnium chloride by the transpiration technique, Thermochimica Acta, 1994, 244, 249-256, https://doi.org/10.1016/0040-6031(94)80224-6 . [all data]

Izmailovich, Khodeev, et al., 1973
Izmailovich, A.S.; Khodeev, Y.S.; Tsirel'nikov, V.I., Zh. Fiz. Khim., 1973, 47, 1565. [all data]

Egdell and Orchard, 1978
Egdell, R.G.; Orchard, A.F., Photoelectron spectra of the group IVA halides, J. Chem. Soc. Faraday Trans. 2, 1978, 74, 485. [all data]

Notes

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• Symbols used in this document:
  

  Pc	Critical pressure
  Tc	Critical temperature
  ΔsubH	Enthalpy of sublimation
  ρc	Critical density

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