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Pyridinium dicyanomethylide

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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 - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Deltasub126. ± 1.kJ/molVBoyd, Guha, et al., 1967ALS
Deltasub125.0kJ/molN/ABoyd, Guha, et al., 1967DRB

Enthalpy of sublimation

DeltasubH (kJ/mol) Temperature (K) Method Reference Comment
125.4418.AStephenson and Malanowski, 1987Based on data from 403. - 433. K.; AC
125.5 ± 1.3403. - 406.MEBoyd, Guha, et al., 1967See also Cox and Pilcher, 1970.; 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.

Boyd, Guha, et al., 1967
Boyd, R.H.; Guha, K.R.; Wuthrich, R., Thermochemistry of cyanocarbons. II. The heats of combustion of pyridinium dicyanomethylide, malononitrile, and fumaronitrile, J. Phys. Chem., 1967, 71, 2187-2191. [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]

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


Notes

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