Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

Benzene, chloropentafluoro-

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
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
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil390.KN/APCR Inc., 1990BS
Tboil391.2KN/AMajer and Svoboda, 1985 
Quantity Value Units Method Reference Comment
Ttriple257.29KN/APaukov and Glukhikh, 1969Crystal phase 1 phase; Uncertainty assigned by TRC = 0.02 K; TRC
Ttriple257.49KN/AAndon, Counsell, et al., 1968Crystal phase 1 phase; Uncertainty assigned by TRC = 0.02 K; TRC
Quantity Value Units Method Reference Comment
Tc571.KN/AMajer and Svoboda, 1985 
Tc569.9KN/ASkripov and Muratov, 1977TRC
Tc570.81KN/AHales and Townsend, 1974Uncertainty assigned by TRC = 0.05 K; TRC
Quantity Value Units Method Reference Comment
Pc31.48atmN/ASkripov and Muratov, 1977Vis, pc by extrapolation of V; TRC
Quantity Value Units Method Reference Comment
rhoc2.661mol/lN/AHales and Townsend, 1974Uncertainty assigned by TRC = 0.0026 mol/l; Liquid density determined by magnetically balanced float up to 490 K, see J.L.Hales, 1970-128. Critical D by equation due to Riedel.; TRC
Quantity Value Units Method Reference Comment
Deltavap9.82kcal/molN/AMajer and Svoboda, 1985 
Deltavap9.87kcal/molN/ABasarová and Svoboda, 1991Based on data from 290. - 550. K.; AC
Deltavap9.75 ± 0.1kcal/molVCox, Gundry, et al., 1969ALS

Reduced pressure boiling point

Tboil (K) Pressure (atm) Reference Comment
395.70.987Weast and Grasselli, 1989BS

Enthalpy of vaporization

DeltavapH (kcal/mol) Temperature (K) Method Reference Comment
8.308391.2N/AMajer and Svoboda, 1985 
9.01363.AStephenson and Malanowski, 1987Based on data from 348. - 402. K.; AC
9.56322.AStephenson and Malanowski, 1987Based on data from 307. - 417. K. See also Ambrose, 1968.; AC
9.01 ± 0.02349.N/AAndon, Counsell, et al., 1968, 2AC
8.70 ± 0.02369.N/AAndon, Counsell, et al., 1968, 2AC
8.32 ± 0.02391.N/AAndon, Counsell, et al., 1968, 2AC
8.308 ± 0.002391.1CAndon, Counsell, et al., 1968, 3Hfusion=8.36±0.01 kJ/mol; ALS
8.41418.EBEvans and Tiley, 1966Based on data from 403. - 547. K.; AC

Enthalpy of vaporization

ΔvapH = A exp(-βTr) (1 − Tr)β
    ΔvapH = Enthalpy of vaporization (at saturation pressure) (kcal/mol)
    Tr = reduced temperature (T / Tc)

View plot Requires a JavaScript / HTML 5 canvas capable browser.

Temperature (K) A (kcal/mol) beta Tc (K) Reference Comment
349. - 391.14.110.2876571.Majer and Svoboda, 1985 

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (atm)
    T = temperature (K)

View plot Requires a JavaScript / HTML 5 canvas capable browser.

Temperature (K) A B C Reference Comment
308.73 - 417.284.186951388.461-59.485Ambrose, 1968, 2Coefficents calculated by NIST from author's data.
403.44 - 546.444.724881850.0972.664Evans and Tiley, 1966, 2Coefficents calculated by NIST from author's data.

Enthalpy of fusion

DeltafusH (kcal/mol) Temperature (K) Reference Comment
2.00257.5Domalski and Hearing, 1996See also Andon, Counsell, et al., 1968, 2.; AC

Entropy of fusion

DeltafusS (cal/mol*K) Temperature (K) Reference Comment
4.551191.Domalski and Hearing, 1996CAL
0.958245.
7.756257.5

Enthalpy of phase transition

DeltaHtrs (kcal/mol) Temperature (K) Initial Phase Final Phase Reference Comment
0.2971191.2crystaline, IIcrystaline, IPaukov and Glukhikh, 1969, 2DH
2.007257.29crystaline, IliquidPaukov and Glukhikh, 1969, 2DH
0.8690191.crystaline, IIIcrystaline, IIAndon, Counsell, et al., 1968, 3Entropy change reported as 17.91 J/mol*K from integration of excess heat capacity. Value given assumes isothermal transition.; DH
0.235245.crystaline, IIcrystaline, IAndon, Counsell, et al., 1968, 3DH
1.997257.49crystaline, IliquidAndon, Counsell, et al., 1968, 3DH

Entropy of phase transition

DeltaStrs (cal/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
1.55191.2crystaline, IIcrystaline, IPaukov and Glukhikh, 1969, 2DH
7.801257.29crystaline, IliquidPaukov and Glukhikh, 1969, 2DH
4.551191.crystaline, IIIcrystaline, IIAndon, Counsell, et al., 1968, 3Entropy; DH
0.958245.crystaline, IIcrystaline, IAndon, Counsell, et al., 1968, 3DH
7.756257.49crystaline, IliquidAndon, Counsell, et al., 1968, 3DH

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:


References

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.

PCR Inc., 1990
PCR Inc., Research Chemicals Catalog 1990-1991, PCR Inc., Gainesville, FL, 1990, 1. [all data]

Majer and Svoboda, 1985
Majer, V.; Svoboda, V., Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]

Paukov and Glukhikh, 1969
Paukov, I.E.; Glukhikh, L.K., The true heat capacity over the range 13-300 k and the entropy and enthalpy of chloropentafluorobenzene, Zh. Fiz. Khim., 1969, 43, 1350-2. [all data]

Andon, Counsell, et al., 1968
Andon, R.J.L.; Counsell, J.F.; Hales, J.L.; Lees, E.B.; Martin, J.F., Thermodynamic properties of fluorine compounds: vii heat capacity and entropy of pentafluorochlorobenzene and pentafluorophenol, J. Chem. Soc. A, 1968, 1968, 2357-61. [all data]

Skripov and Muratov, 1977
Skripov, V.P.; Muratov, G.N., The surface tensions of liquids and their interpretation by the method of thermodynamic similarity., Russ. J. Phys. Chem. (Engl. Transl.), 1977, 51, 806-8. [all data]

Hales and Townsend, 1974
Hales, J.L.; Townsend, R., Liquid Densities from 293 to 490 K of Eight Fluorinated Aromatic Comp., J. Chem. Thermodyn., 1974, 6, 111-6. [all data]

Basarová and Svoboda, 1991
Basarová, Pavlína; Svoboda, Václav, Calculation of heats of vaporization of halogenated hydrocarbons from saturated vapour pressure data, Fluid Phase Equilibria, 1991, 68, 13-34, https://doi.org/10.1016/0378-3812(91)85008-I . [all data]

Cox, Gundry, et al., 1969
Cox, J.D.; Gundry, H.A.; Harrop, D.; Head, A.J., Thermodynamic properties of fluorine compounds. 9. Enthalpies of formation of some compounds containing the pentafluorophenyl group, J. Chem. Thermodyn., 1969, 1, 77-87. [all data]

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]

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]

Ambrose, 1968
Ambrose, D., Thermodynamic properties of fluorine compounds. Part V. Vapour pressures of pentafluorobenzene, chloropentafluorobenzene, 2,3,4,5,6-pentafluorotoluene, and pentafluorophenol, J. Chem. Soc., A, 1968, 1381, https://doi.org/10.1039/j19680001381 . [all data]

Andon, Counsell, et al., 1968, 2
Andon, R.J.L.; Counsell, J.F.; Hales, J.L.; Lees, E.B.; Martin, J.F., Thermodynamic properties of fluorine compounds. Part VII. Heat capacity and entropy of pentafluorochlorobenzene and pentafluorophenol, J. Chem. Soc., A, 1968, 2357, https://doi.org/10.1039/j19680002357 . [all data]

Andon, Counsell, et al., 1968, 3
Andon, R.J.L.; Counsell, J.F.; Hales, J.L.; Lees, E.B.; Martin, J.F., Thermodynamic properties of fluorine compounds. Part VII. Heat capacity and entropy of pentafluorochelorobenzene and pentafluorophenol, J. Chem. Soc. A, 1968, 2357-2361. [all data]

Evans and Tiley, 1966
Evans, F.D.; Tiley, P.F., Vapour pressures and critical constants of hexafluoro-, pentafluoro-, chloropentafluoro-, and bromopentafluoro-benzene, J. Chem. Soc., B:, 1966, 134, https://doi.org/10.1039/j29660000134 . [all data]

Ambrose, 1968, 2
Ambrose, D., Thermodynamic Properties of Fluorine Compounds. Part V. Vapour Pressures of Pentafluorobenzene, Chloropentafluorobenzene, 2,3,4,5,6-Pentafluorotoluene, and Pentafluorophenol, J. Chem. Soc. A:, 1968, 1381-1383, https://doi.org/10.1039/j19680001381 . [all data]

Evans and Tiley, 1966, 2
Evans, F.D.; Tiley, Vapour Pressures and Critical Constants of Hexafluoro-, Pentafluoro-, Chloropentafluoro-, and Bromopentafluoro-benzene, J. Chem. Soc. B:, 1966, 134-136, https://doi.org/10.1039/j29660000134 . [all data]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [all data]

Paukov and Glukhikh, 1969, 2
Paukov, I.E.; Glukhikh, L.K., The true heat capacity over the range 13-300K and the entropy and enthalpy of chloropentafluorobenzene, Zhur. Fiz. Khim., 1969, 43, 1350-1352. [all data]


Notes

Go To: Top, Phase change data, References