Urea, N,N'-dimethyl-N,N'-diphenyl-

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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
Δfsolid-73.1 ± 7.9kJ/molCcbMedard and Thomas, 1952Reanalyzed by Cox and Pilcher, 1970, Original value = -59.4 kJ/mol; Author's hf291_condensed=-21.5 kcal/mol
Quantity Value Units Method Reference Comment
Δcsolid-8137.5kJ/molCcbHandrick, 1956War Powder Commission of Versailles, Report of 24 May 1930
Δcsolid-8116.1 ± 7.9kJ/molCcbMedard and Thomas, 1952Reanalyzed by Cox and Pilcher, 1970, Original value = -8129.9 kJ/mol; Author's hf291_condensed=-21.5 kcal/mol
Δcsolid-8075.kJ/molCcbTaylor, Hall, et al., 1947At 290 °K, Direct measure of Hc=-1948.5 kcal/mol

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.

Medard and Thomas, 1952
Medard, L.; Thomas, M., Determination des chaleurs de combustion de douze composes organiques utilises dans les poudres et enplosies, Mem. Poudres, 1952, 34, 421-442. [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]

Handrick, 1956
Handrick, G.R., Report of the study of pure explosive compounds. Part IV. Calculation of heat of combustion of organic compounds from structural features and calculation of power of high explosives, Rpt. C-58247 for the Office of the Chief of Ordnance, contract DA-19-020-ORD-47 by the Arthur D. Little, Inc., Cambridge, MA, 1956, 467-573. [all data]

Taylor, Hall, et al., 1947
Taylor, J.; Hall, C.R.L.; Thomas, H., The thermochemistry of propellent explosives, J. Phys. Colloid Chem., 1947, 51, 580-592. [all data]


Notes

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