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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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Tfus351.KN/AWolfrom and Bobbitt, 1956Uncertainty assigned by TRC = 3. K; TRC
Quantity Value Units Method Reference Comment
Δsub113.3 ± 4.8kJ/molCRibeiro da Silva and Santos, 2004AC
Δsub115.7 ± 0.9kJ/molVRibeiro da Silva and Monte, 1992crystal phase; ALS
Δsub115.7 ± 0.9kJ/molMERibeiro da Silva and Monte, 1992AC
Δsub50.2kJ/molEFarrar and Jones, 1964ALS

Reduced pressure boiling point

Tboil (K) Pressure (bar) Reference Comment
493.20.024Aldrich Chemical Company Inc., 1990BS

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
60.1375.AStephenson and Malanowski, 1987Based on data from 368. to 383. K.; AC

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.

Wolfrom and Bobbitt, 1956
Wolfrom, M.L.; Bobbitt, J.M., Periodate Oxidation of Cyclic 1,3-Diketones, J. Am. Chem. Soc., 1956, 78, 2489-93. [all data]

Ribeiro da Silva and Santos, 2004
Ribeiro da Silva, Manuel A.V.; Santos, Luis M.N.B.F., Standard molar enthalpy of formation of monothiodibenzoylmethane by rotating-bomb calorimetry, The Journal of Chemical Thermodynamics, 2004, 36, 6, 447-451, https://doi.org/10.1016/j.jct.2004.02.007 . [all data]

Ribeiro da Silva and Monte, 1992
Ribeiro da Silva, M.A.V.; Monte, M.J.S., Vapour pressures and standard molar enthalpies of sublimation of four crystalline B-diketones, J. Chem. Thermodyn., 1992, 24, 1219-1228. [all data]

Farrar and Jones, 1964
Farrar, D.T.; Jones, M.M., Heats of combustion and bond energies in some octahedral iron(III) complexes with β-diketones, J. Phys. Chem., 1964, 68, 1717-1721. [all data]

Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc., Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [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]


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