Ethane, pentachloro-

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.


Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, 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:
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas-155.9 ± 4.3kJ/molReviewManion, 2002derived from recommended ΔfHliquid° and ΔvapH°; DRB
Δfgas-145.kJ/molCmKirkbride, 1956ALS

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, 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:
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Δfliquid-203. ± 4.kJ/molReviewManion, 2002weighted average of several measurements; DRB
Δfliquid-191.kJ/molCmKirkbride, 1956ALS
Quantity Value Units Method Reference Comment
Δcliquid-862.3 ± 8.4kJ/molCcbSmith, Bjellerup, et al., 1953Reanalyzed by Cox and Pilcher, 1970, Original value = -860. ± 10. kJ/mol; ALS

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
196.2298.Kurbatov, 1948T = 16 to 154°C, mean Cp, three temperatures.; DH

Gas phase ion energetics data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry 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:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

IE (eV) Method Reference Comment
11.0PEKatsumata and Kimura, 1975LLK
11.28PEKatsumata and Kimura, 1975Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
CCl3+11.5 ± 0.1CHCl2EIHarrison and Shannon, 1962RDSH

De-protonation reactions

C2Cl5- + Hydrogen cation = Ethane, pentachloro-

By formula: C2Cl5- + H+ = C2HCl5

Quantity Value Units Method Reference Comment
Δr1559. ± 10.kJ/molD-EAGaines, Kay, et al., 1966gas phase; The Magnetron method, lacking mass analysis, is not considered reliable. G3MP2B3 calculations indicate an EA of ca. 3.2 eV; B

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry 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.

Manion, 2002
Manion, J.A., Evaluated Enthalpies of Formation of the Stable Closed Shell C1 and C2 Chlorinated Hydrocarbons, J. Phys. Chem. Ref. Data, 2002, 31, 1, 123-172, https://doi.org/10.1063/1.1420703 . [all data]

Kirkbride, 1956
Kirkbride, F.W., The heats of chlorination of some hydrocarbons and their chloro-derivatives, J. Appl. Chem., 1956, 6, 11-21. [all data]

Smith, Bjellerup, et al., 1953
Smith, L.; Bjellerup, L.; Krook, S.; Westermark, H., Heats of combustion of organic chloro compounds determined by the "quartz wool" method, Acta Chem. Scand., 1953, 7, 65. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Kurbatov, 1948
Kurbatov, V.Ya., Heat capacity of liquids. 2. Heat capacity and the temperature dependence of heat capacity from halogen derivatives of acylic hydrocarbons, Zh. Obshch. Kim., 1948, 18, 372-389. [all data]

Katsumata and Kimura, 1975
Katsumata, S.; Kimura, K., Photoelectron spectra and sum rule consideration. Effect of chlorine substitution on ionization energies for chloroethanes, chloroacetaldehydes and chloroacetyl chlorides, J. Electron Spectrosc. Relat. Phenom., 1975, 6, 309. [all data]

Harrison and Shannon, 1962
Harrison, A.G.; Shannon, T.W., An electron impact study of chloromethyl and dichloromethyl derivatives, Can. J. Chem., 1962, 40, 1730. [all data]

Gaines, Kay, et al., 1966
Gaines, A.F.; Kay, J.; Page, F.M., Determination of Electron Affinities. Part 8. - CCl4, CHCl3, and CH2Cl2, Trans. Farad. Soc., 1966, 62, 874, https://doi.org/10.1039/tf9666200874 . [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Gas phase ion energetics data, References