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

NOTICE: Due to scheduled maintenance at our Gaithersburg campus, this site will not be available from 5:00 pm EDT (21:00 UTC) on Friday October 25 until 5:00 pm (21:00 UTC) on Sunday October 27. We apologize for any inconvenience this outage may cause.

Benzene, pentafluoro(trifluoromethyl)-

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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Deltafliquid-313.4 ± 1.9kcal/molCcbKrech, Price, et al., 1973Reanalyzed by Pedley, Naylor, et al., 1986, Original value = -313.2 ± 1.8 kcal/mol; ALS
Quantity Value Units Method Reference Comment
liquid86.07cal/mol*KN/APaukov, 1975DH
liquid84.97cal/mol*KN/AAndon and Martin, 1974DH

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
63.67298.15Paukov, 1975T = 13 to 300 K.; DH
62.69298.15Andon and Martin, 1974T = 10 to 315 K.; DH

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.

Krech, Price, et al., 1973
Krech, M.J.; Price, S.J.W.; Yared, W.F., Determination of the heat of formation of octafluorotoluene and calculation of D[C6F5-F] - D[C6F5-CF3], Can. J. Chem., 1973, 51, 3662-3664. [all data]

Pedley, Naylor, et al., 1986
Pedley, J.B.; Naylor, R.D.; Kirby, S.P., Thermochemical Data of Organic Compounds, Chapman and Hall, New York, 1986, 1-792. [all data]

Paukov, 1975
Paukov, I.E., Thermodynamic properties of octafluorotoluene in the temperature range 13 to 300 K, Zhur. Fiz. Khim., 1975, 49, 265. [all data]

Andon and Martin, 1974
Andon, R.J.L.; Martin, J.F., Thermodynamic properties of fluorine compounds. Part 14. Low-temperature heat capacity and entropy of octafluorotoluene, J. Chem. Soc. Faraday Trans., 1974, I 70, 605-608. [all data]


Notes

Go To: Top, Condensed phase thermochemistry data, References