N,N'-Diheptylurea

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.


Condensed phase thermochemistry data

Go To: Top, References, Notes

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
Deltafsolid-627.6kJ/molCcbVenugopala Charlu and Rao, 1964 
Quantity Value Units Method Reference Comment
Deltacsolid-9848.7 ± 5.4kJ/molCcbVenugopala Charlu and Rao, 1964Reanalyzed by Cox and Pilcher, 1970, Original value = -9845.0 ± 5.4 kJ/mol

References

Go To: Top, Condensed phase thermochemistry data, Notes

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

Venugopala Charlu and Rao, 1964
Venugopala Charlu, T.; Rao, M.R.A., Heats of combustion of some symmetrical dialkyl ureas and their corresponding alkyl carbamates, Proc. Indian Acad. Sci. Sect. A, 1964, 60, 31-35. [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]


Notes

Go To: Top, Condensed phase thermochemistry data, References