zirconium tetrachloride

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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

Quantity Value Units Method Reference Comment
Tc778.2KN/ADenisova, Safronova, et al., 1967Uncertainty assigned by TRC = 0.5 K; TRC
Quantity Value Units Method Reference Comment
Pc56.95atmN/ADenisova, Safronova, et al., 1967Uncertainty assigned by TRC = 0.55 atm; TRC
Pc57.74atmN/ANisel'son, Stolyarov, et al., 1965Uncertainty assigned by TRC = 0.5765 atm; From value of Tc=503.5 deg C by Nisel'son and Sokolova, Russ. J. Inorg. Chem. 1962, 7, 1382, and VP measured to 500 deg; TRC
Quantity Value Units Method Reference Comment
Vc0.319l/molN/ADenisova, Safronova, et al., 1967Uncertainty assigned by TRC = 0.000319 l/mol; Vis, rect, VP, TE, sample by chlorination of metal cont. <0 Hf, other impurities 0.001% each; TRC

Antoine Equation Parameters

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

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Temperature (K) A B C Reference Comment
463. to 604.8.734774954.507-36.557Stull, 1947Coefficents calculated by NIST from author's data.

Enthalpy of sublimation

ΔsubH (kcal/mol) Temperature (K) Method Reference Comment
23.6 ± 0.1512.TTangri and Bose, 1994Based on data from 405. to 518. K.; AC

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


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

IE (eV) Method Reference Comment
11.2PEEgdell and Orchard, 1978 
10.6EIPreiss, 1972 
11.94PEEgdell and Orchard, 1978Vertical value

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
ClZr+21.9?EIPreiss, 1972 
Cl2Zr+12.3?EIPreiss, 1972 
Cl2Zr+16.8?EIPreiss, 1972 

References

Go To: Top, Phase change data, Gas phase ion energetics data, Notes

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, Stolyarov, et al., 1965
Nisel'son, L.A.; Stolyarov, V.I.; Sokolova, T.D., Some Properties of Liquid Zirconium Tetrachloride, Russ. J. Phys. Chem. (Engl. Transl.), 1965, 39, 1614. [all data]

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]

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]

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]

Preiss, 1972
Preiss, H., Massenspektrometrische Untersuchungen an einigen Halogeniden der 5. Haupt- und Nebengruppe, Z. Anorg. Allg. Chem., 1972, 389, 280. [all data]


Notes

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