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:
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
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
CAL - James S. Chickos, William E. Acree, Jr., Joel F. Liebman, Students of Chem 202 (Introduction to the Literature of Chemistry), University of Missouri -- St. Louis

Quantity Value Units Method Reference Comment
Tboil721.2KN/AWeast and Grasselli, 1989BS
Quantity Value Units Method Reference Comment
Tfus531.4KN/ACasellato, Vecchi, et al., 1973Uncertainty assigned by TRC = 0.2 K; TRC
Tfus529.0KN/ASangster and Irvine, 1956Uncertainty assigned by TRC = 2. K; TRC
Tfus527.35KN/ASchuyer, Blom, et al., 1953Uncertainty assigned by TRC = 1. K; TRC
Tfus529.2KN/AJones and Neuworth, 1944Uncertainty assigned by TRC = 1. K; TRC
Tfus527.9KN/ABaxter and Hale, 1936Uncertainty assigned by TRC = 0.5 K; TRC
Quantity Value Units Method Reference Comment
Deltavap106.2kJ/molCGCZhao, Unhannanant, et al., 2008AC
Deltavap97.0 ± 1.4kJ/molGCHaftka, Parsons, et al., 2006Based on data from 463. - 513. K.; AC
Quantity Value Units Method Reference Comment
Deltasub123.4 ± 4.2kJ/molReviewRoux, Temprado, et al., 2008There are sufficient literature values to make a qualified recommendation where the suggested value is in good agreement with values predicted using thermochemical cycles or from reliable estimates. In general, the evaluated uncertainty limits are on the order of (2 to 4) kJ/mol.; DRB
Deltasub131. ± 4.kJ/molVKruif, 1980ALS
Deltasub131. ± 4.kJ/molTE,MEKruif, 1980AC

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
89.6398.GCLei, Chankalal, et al., 2002Based on data from 323. - 473. K.; AC

Enthalpy of sublimation

DeltasubH (kJ/mol) Temperature (K) Method Reference Comment
118.8383.GSNass, Lenoir, et al., 1995Based on data from 313. - 453. K.; AC
118. ± 4.400.MEWakayama and Inokuchi, 1967See also Cox and Pilcher, 1970.; AC
121.4385.N/AHoyer and Peperle, 1958Based on data from 353. - 418. K.; AC
119.353.VHoyer and Peperle, 1958, 2ALS
118.293.VMagnus, Hartmann, et al., 1951ALS

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Method Reference Comment
23.6527.DSCKestens, Auclair, et al., 2010AC
26.15531.4DSCCasellato, Vecchi, et al., 1973, 2AC

Entropy of fusion

DeltafusS (J/mol*K) Temperature (K) Reference Comment
6.29512.2Casellato, Vecchi, et al., 1973CAL

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.

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]

Casellato, Vecchi, et al., 1973
Casellato, F.; Vecchi, C.; Girell, A., Differential calorimetric study of polycyclic aromatic hydrocarbons, Thermochim. Acta, 1973, 6, 4, 361, . [all data]

Sangster and Irvine, 1956
Sangster, R.C.; Irvine, J.W., Study of Organic Scintillators, J. Chem. Phys., 1956, 24, 670. [all data]

Schuyer, Blom, et al., 1953
Schuyer, J.; Blom, L.; Van Krevelen, D.W., Molar refraction of condensed aromatic compounds., Trans. Faraday Soc., 1953, 49, 1391. [all data]

Jones and Neuworth, 1944
Jones, R.C.; Neuworth, M.B., The Ultraviolet Absorption Spectra of Hydrocarbon-Trinitrobenzene Complexes, J. Am. Chem. Soc., 1944, 66, 1497. [all data]

Baxter and Hale, 1936
Baxter, G.P.; Hale, A.H., A Revision of the Atomic Weight of Carbon, J. Am. Chem. Soc., 1936, 58, 510. [all data]

Zhao, Unhannanant, et al., 2008
Zhao, Hui; Unhannanant, Patamaporn; Hanshaw, William; Chickos, James S., Enthalpies of Vaporization and Vapor Pressures of Some Deuterated Hydrocarbons. Liquid-Vapor Pressure Isotope Effects, J. Chem. Eng. Data, 2008, 53, 7, 1545-1556, . [all data]

Haftka, Parsons, et al., 2006
Haftka, Joris J.H.; Parsons, John R.; Govers, Harrie A.J., Supercooled liquid vapour pressures and related thermodynamic properties of polycyclic aromatic hydrocarbons determined by gas chromatography, Journal of Chromatography A, 2006, 1135, 1, 91-100, . [all data]

Roux, Temprado, et al., 2008
Roux, M.V.; Temprado, M.; Chickos, J.S.; Nagano, Y., Critically Evaluated Thermochemical Properties of Polycyclic Aromatic Hydrocarbons, J. Phys. Chem. Ref. Data, 2008, 37, 4, 1855-1996. [all data]

Kruif, 1980
Kruif, C.G., Enthalpies of sublimation and vapour pressures of 11 polycyclic hydrocarbons, J. Chem. Thermodyn., 1980, 12, 243-248. [all data]

Lei, Chankalal, et al., 2002
Lei, Ying Duan; Chankalal, Raymond; Chan, Anita; Wania, Frank, Supercooled Liquid Vapor Pressures of the Polycyclic Aromatic Hydrocarbons, J. Chem. Eng. Data, 2002, 47, 4, 801-806, . [all data]

Nass, Lenoir, et al., 1995
Nass, Karen; Lenoir, Dieter; Kettrup, Antonius, Calculation of the Thermodynamic Properties of Polycyclic Aromatic Hydrocarbons by an Incremental Procedure, Angew. Chem. Int. Ed. Engl., 1995, 34, 16, 1735-1736, . [all data]

Wakayama and Inokuchi, 1967
Wakayama, Nobuko; Inokuchi, Hiroo, Heats of Sublimation of Polycyclic Aromatic Hydrocarbons and Their Molecular Packings, Bull. Chem. Soc. Jpn., 1967, 40, 10, 2267-2271, . [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]

Hoyer and Peperle, 1958
Hoyer, H.; Peperle, W., Z. Elektrochem., 1958, 62, 61. [all data]

Hoyer and Peperle, 1958, 2
Hoyer, H.; Peperle, W., Dampfdrunkmessungen an organischen substanzen und ihre sublimationswarmen, Z. Electrochem., 1958, 62, 61-66. [all data]

Magnus, Hartmann, et al., 1951
Magnus, A.; Hartmann, H.; Becker, F., Verbrennungswarmen und resonanzenergien von mehrkernigen aromatischen kohlenwasserstoffen, Z. Phys. Chem., 1951, 197, 75-91. [all data]

Kestens, Auclair, et al., 2010
Kestens, Vikram; Auclair, Guy; Drozdzewska, Katarzyna; Held, Andrea; Roebben, Gert; Linsinger, Thomas, Thermodynamic property values of selected polycyclic aromatic hydrocarbons measured by differential scanning calorimetry, J Therm Anal Calorim, 2010, 99, 1, 245-261, . [all data]

Casellato, Vecchi, et al., 1973, 2
Casellato, F.; Vecchi, C.; Girelli, A.; Casu, B., Differential calorimetric study of polycyclic aromatic hydrocarbons, Thermochimica Acta, 1973, 6, 4, 361-368, . [all data]


Go To: Top, Phase change data, References