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Cyanogen bromide

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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:
ALS - H.Y. Afeefy, J.F. Liebman, and S.E. Stein
AC - W.E. Acree, Jr., J.S. Chickos

QuantityValueUnitsMethodReferenceComment
Deltasub45.23kJ/molVLord and Woolf, 1954Heat of hydrolysis; ALS

Antoine Equation Parameters

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

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Temperature (K)ABCReferenceComment
273.01 - 313.093.53667727.385-130.052Lord and Woolf, 1954Coefficents calculated by NIST from author's data.

Enthalpy of sublimation

DeltasubH (kJ/mol)Temperature (K)MethodReferenceComment
45.2 ± 4.2273. - 308.MMLord and Woolf, 1954, 2See also Cox and Pilcher, 1970.; AC
45.9288.N/ALord and Woolf, 1954, 2Based on data from 273. - 313. K. See also Boublik, Fried, et al., 1984.; AC
47.0256. - 308.GSBaxter, Bezzenberger, et al., 1920AC

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.

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]

Lord and Woolf, 1954, 2
Lord, G.; Woolf, A.A., The cyanogen halides. Part III. Their heats of formation and free energies, J. Chem. Soc., 1954, 2546. [doi:10.1039/jr9540002546] [all data]

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

Boublik, Fried, et al., 1984
Boublik, T.; Fried, V.; Hala, E., The Vapour Pressures of Pure Substances: Selected Values of the Temperature Dependence of the Vapour Pressures of Some Pure Substances in the Normal and Low Pressure Region, 2nd ed., Elsevier, New York, 1984, 972. [all data]

Baxter, Bezzenberger, et al., 1920
Baxter, G.P.; Bezzenberger, F.K.; Wilson, C.H., THE VAPOR PRESSURES OF CERTAIN SUBSTANCES: CHLORO-PICRIN, CYANOGEN BROMIDE, METHYL-DICHLORO-ARSINE, PHENYL-DICHLORO-ARSINE, DIPHENYL-CHLORO-ARSINE AND ARSENIC TRICHLORIDE. 1, J. Am. Chem. Soc., 1920, 42, 7, 1386-1393. [doi:10.1021/ja01452a012] [all data]


Notes

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