zirconium tetrachloride
- Formula: Cl4Zr
- Molecular weight: 233.036
- CAS Registry Number: 10026-11-6
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Phase change data
Go To: Top, Gas phase ion energetics data, References, Notes
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 |
---|---|---|---|---|---|
Tc | 778.2 | K | N/A | Denisova, Safronova, et al., 1967 | Uncertainty assigned by TRC = 0.5 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 56.95 | atm | N/A | Denisova, Safronova, et al., 1967 | Uncertainty assigned by TRC = 0.55 atm; TRC |
Pc | 57.74 | atm | N/A | Nisel'son, Stolyarov, et al., 1965 | Uncertainty 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 |
Vc | 0.319 | l/mol | N/A | Denisova, Safronova, et al., 1967 | Uncertainty 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. | 8.73477 | 4954.507 | -36.557 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
23.6 ± 0.1 | 512. | T | Tangri and Bose, 1994 | Based on data from 405. to 518. K.; AC |
Gas phase ion energetics data
Go To: Top, Phase change data, References, Notes
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 |
---|---|---|---|
11.2 | PE | Egdell and Orchard, 1978 | |
10.6 | EI | Preiss, 1972 | |
11.94 | PE | Egdell and Orchard, 1978 | Vertical value |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
ClZr+ | 21.9 | ? | EI | Preiss, 1972 | |
Cl2Zr+ | 12.3 | ? | EI | Preiss, 1972 | |
Cl2Zr+ | 16.8 | ? | EI | Preiss, 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
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy Pc Critical pressure Tc Critical temperature Vc Critical volume ΔsubH Enthalpy of sublimation - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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