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.

Phase change 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 as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tfus375.3KN/ADavies, Jones, et al., 1959Uncertainty assigned by TRC = 0.8 K; TRC
Tfus373.15KN/ASchneider, Adkins, et al., 1952Uncertainty assigned by TRC = 2. K; TRC
Tfus375.KN/AKrafft and Stauffer, 1882Uncertainty assigned by TRC = 4. K; TRC

Enthalpy of sublimation

ΔsubH (kcal/mol) Temperature (K) Method Reference Comment
36.5 ± 0.2358.5MEDavies, Jones, et al., 1959Based on data from 349. - 368. K. See also Stephenson and Malanowski, 1987.; AC

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Method Reference Comment
8.68373.3DSCAbate, Badea, et al., 2008AC

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


Go To: Top, Phase change data, Notes

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

Davies, Jones, et al., 1959
Davies, M.; Jones, A.H.; Thomas, G.H., The lattice energies of the straight-chain primary amides, Trans. Faraday Soc., 1959, 55, 1100. [all data]

Schneider, Adkins, et al., 1952
Schneider, H.-J.; Adkins, H.; McElvain, S.M., The Hydrogenation of Amides and Ammonium Salts. The Transalkylation of Tertiary Amines, J. Am. Chem. Soc., 1952, 74, 4287. [all data]

Krafft and Stauffer, 1882
Krafft, F.; Stauffer, B., The nitriles c(n)h(2n+2)cn of the higher fatty acids, Ber. Dtsch. Chem. Ges., 1882, 15, 1728-31. [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, . [all data]

Abate, Badea, et al., 2008
Abate, Lorenzo; Badea, Elena; Blanco, Ignazio; Della Gatta, Giuseppe, Heat Capacities and Enthalpies of Solid-Solid Transitions and Fusion of a Series of Eleven Primary Alkylamides by Differential Scanning Calorimetry, J. Chem. Eng. Data, 2008, 53, 4, 959-965, . [all data]


Go To: Top, Phase change data, References