Hexachlorocyclopentadiene


Gas phase thermochemistry 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas-2.8 ± 1.0kcal/molCcbLyubarskii and Smolyanets, 1977 

Condensed phase thermochemistry 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfliquid-18.93 ± 0.74kcal/molCcbLyubarskii and Smolyanets, 1977 
Quantity Value Units Method Reference Comment
Δcliquid-485.1 ± 0.6kcal/molCcbLyubarskii and Smolyanets, 1977 

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:
BS - Robert L. Brown and Stephen E. Stein
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Δvap16.1 ± 0.3kcal/molVLyubarskii and Smolyanets, 1977ALS

Reduced pressure boiling point

Tboil (K) Pressure (atm) Reference Comment
512.20.991Weast and Grasselli, 1989BS

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
12.8350.AStephenson and Malanowski, 1987Based on data from 335. to 512. K.; AC

Enthalpy of sublimation

ΔsubH (kcal/mol) Temperature (K) Method Reference Comment
17.6283.BBondi, 1963See also Ungnade and McBee, 1958.; AC

Reaction thermochemistry 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

Chlorendic anhydride = Maleic anhydride + Hexachlorocyclopentadiene

By formula: C9H2Cl6O3 = C4H2O3 + C5Cl6

Quantity Value Units Method Reference Comment
Δr75.2kcal/molIonVijayakumar and Fink, 1983solid phase

Henry's Law 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: Rolf Sander

Henry's Law constant (water solution)

kH(T) = H exp(d(ln(kH))/d(1/T) ((1/T) - 1/(298.15 K)))
H = Henry's law constant for solubility in water at 298.15 K (mol/(kg*bar))
d(ln(kH))/d(1/T) = Temperature dependence constant (K)

H (mol/(kg*bar)) d(ln(kH))/d(1/T) (K) Method Reference
0.037 XN/A
0.0601500.XN/A

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Notes

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

Lyubarskii and Smolyanets, 1977
Lyubarskii, M.V.; Smolyanets, R.I., Enthalpies of combustion and formation of five-membered cyclic perchlorohydrocarbons, Vses. Konf. Kalorim. Rasshir. Tezisy Dokl. 7th, 1977, 1, 119-121. [all data]

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Bondi, 1963
Bondi, A., Heat of Siblimation of Molecular Crystals: A Catalog of Molecular Structure Increments., J. Chem. Eng. Data, 1963, 8, 3, 371-381, https://doi.org/10.1021/je60018a027 . [all data]

Ungnade and McBee, 1958
Ungnade, H.E.; McBee, E.T., The Chemistry Of Perchlorocyclopentenes And Cyclopentadienes, Chem. Rev., 1958, 58, 2, 249-320, https://doi.org/10.1021/cr50020a003 . [all data]

Vijayakumar and Fink, 1983
Vijayakumar, C.T.; Fink, J.K., Heat of formation of the Diels-Alder adduct of hexachlorocyclopentadiene and maleic anhydride by appearance-energy measurements, Org. Mass Spectrom., 1983, 18, 134. [all data]


Notes

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