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Cyanogen iodide


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:
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
Deltavap40.0 ± 0.3kJ/molVKetellaar and Kruyer, 1943ALS
Quantity Value Units Method Reference Comment
Deltasub59.83 ± 0.42kJ/molVLord and Woolf, 1954Reanalyzed by Cox and Pilcher, 1970, Original value = 59.0 kJ/mol; Heat of hydrolysis; ALS
Deltasub59.9 ± 0.2kJ/molVKetellaar and Kruyer, 1943ALS

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
40.0423.AStephenson and Malanowski, 1987Based on data from 419. - 426. K.; AC

Antoine Equation Parameters

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

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Temperature (K) A B C Reference Comment
298.4 - 414.37.784353335.29214.533Stull, 1947Coefficents calculated by NIST from author's data.

Enthalpy of sublimation

DeltasubH (kJ/mol) Temperature (K) Method Reference Comment
59.8 ± 0.4337. - 426.GSMKetelaar and Kruyer, 2010See also Cox and Pilcher, 1970, 2.; AC
59.9352.GSMStephenson and Malanowski, 1987Based on data from 337. - 426. K. See also Ketelaar and Kruyer, 2010.; AC
58.6356.AStull, 1947Based on data from 298. - 414. K.; AC
58.3326.N/AYost and Stone, 1933Based on data from 278. - 374. K.; AC

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.

Ketellaar and Kruyer, 1943
Ketellaar, J.A.A.; Kruyer, S., Der dampfdrunk des jodcyans, Rec. Trav. Chim. Pays-Bas, 1943, 62, 550-552. [all data]

Lord and Woolf, 1954
Lord, G.; Woolf, A.A., The cyanogen halides. Part III. Their heats of formation and free energies, J. Chem. Soc., 1954, 2546-2551. [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]

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]

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]

Ketelaar and Kruyer, 2010
Ketelaar, J.A.A.; Kruyer, S., Der Dampfdruck des Jodcyans, Recl. Trav. Chim. Pays-Bas, 2010, 62, 8, 550-552, https://doi.org/10.1002/recl.19430620810 . [all data]

Cox and Pilcher, 1970, 2
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press Inc., London, 1970, 643. [all data]

Yost and Stone, 1933
Yost, Don M.; Stone, William E., The Complex Ions Formed by Iodine Cyanide with Cyanide and Iodide Ions. The Vapor Pressure, Free Energy and Dissociation of Iodine Cyanide, J. Am. Chem. Soc., 1933, 55, 5, 1889-1895, https://doi.org/10.1021/ja01332a015 . [all data]


Notes

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