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Perfluoropropane

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Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), Site Links, NIST Free Links, References, Notes

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

Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Deltafgas-1784.7 ± 8.8kJ/molCcbKolesov, Talakin, et al., 1967Reanalyzed by Kolesov and Kozina, 1986, Original value = -1729. kJ/mol

Condensed phase thermochemistry 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 by: Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
liquid287.23J/mol*KN/APace and Plaush, 1967 

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
181.38235.Pace and Plaush, 1967T = 14 to 236 K.

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
DH - Eugene S. Domalski and Elizabeth D. Hearing
AC - William E. Acree, Jr., James S. Chickos
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
Tboil234.KN/APCR Inc., 1990BS
Tboil237.2KN/AWeast and Grasselli, 1989BS
Tboil235.KN/AStreng, 1971Uncertainty assigned by TRC = 2. K; TRC
Tboil236.5KN/AGilmour, Zwicker, et al., 1967Uncertainty assigned by TRC = 0.5 K; TRC
Quantity Value Units Method Reference Comment
Tfus90.KN/AStreng, 1971Uncertainty assigned by TRC = 2. K; TRC
Quantity Value Units Method Reference Comment
Ttriple124.85KN/ACrowder, Taylor, et al., 1967Uncertainty assigned by TRC = 0.3 K; TRC
Ttriple125.45KN/APace and Plaush, 1967Crystal phase 1 phase; Uncertainty assigned by TRC = 0.02 K; TRC
Quantity Value Units Method Reference Comment
Tc345.1KN/ALeu and Robinson, 1992Uncertainty assigned by TRC = 0.5 K; TRC
Tc345.03KN/AMousa, Kay, et al., 1972Uncertainty assigned by TRC = 0.2 K; TRC
Tc345.05KN/ABrown, 1963Uncertainty assigned by TRC = 0.3 K; TRC
Quantity Value Units Method Reference Comment
Pc26.75barN/ALeu and Robinson, 1992Uncertainty assigned by TRC = 0.10 bar; TRC
Pc61.839barN/AMousa, Kay, et al., 1972Uncertainty assigned by TRC = 0.064 bar; TRC
Pc26.8005barN/ABrown, 1963Uncertainty assigned by TRC = 0.2026 bar; TRC
Quantity Value Units Method Reference Comment
rhoc3.21mol/lN/AMousa, Kay, et al., 1972Uncertainty assigned by TRC = 0.0320 mol/l; TRC
rhoc3.34mol/lN/ABrown, 1963Uncertainty assigned by TRC = 0.11 mol/l; TRC

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
19.761236.42N/APace and Plaush, 1967P = 101.325 kPa; DH
21.6222.AStephenson and Malanowski, 1987Based on data from 193. - 237. K. See also Pace, 1967.; AC
20.9244.N/ABrown, 1963, 2Based on data from 213. - 259. K.; AC

Entropy of vaporization

DeltavapS (J/mol*K) Temperature (K) Reference Comment
83.58236.42Pace and Plaush, 1967P; DH

Antoine Equation Parameters

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

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Temperature (K) A B C Reference Comment
193.78 - 236.814.08856842.613-30.023Pace and Plaush, 1967Coefficents calculated by NIST from author's data.

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Reference Comment
0.48125.5Domalski and Hearing, 1996AC

Entropy of fusion

DeltafusS (J/mol*K) Temperature (K) Reference Comment
35.7799.4Domalski and Hearing, 1996CAL
3.81125.5

Enthalpy of phase transition

DeltaHtrs (kJ/mol) Temperature (K) Initial Phase Final Phase Reference Comment
3.555699.39crystaline, IIcrystaline, IPace and Plaush, 1967DH
0.4774125.45crystaline, IliquidPace and Plaush, 1967DH

Entropy of phase transition

DeltaStrs (J/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
35.7799.39crystaline, IIcrystaline, IPace and Plaush, 1967DH
3.81125.45crystaline, IliquidPace and Plaush, 1967DH

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:


Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), Site Links, NIST Free Links, References, Notes

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

Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

8sodium + Perfluoropropane = 3carbon + 8sodium fluoride

By formula: 8Na + C3F8 = 3C + 8FNa

Quantity Value Units Method Reference Comment
Deltar-2761. ± 7.1kJ/molCcbKolesov, Talakin, et al., 1967gas phase

Gas phase ion energetics 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 by: Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

IE (eV) Method Reference
13.38PEDewar and Worley, 1969

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
CF+13.5?EISmith and Kevan, 1967 
CF3+13.4 ± 0.1?EILifshitz and Grajower, 1969 
CF3+13.22?PINoutary, 1968 
C2F4+13.5 ± 0.1?EILifshitz and Grajower, 1969 
C2F5+13.9 ± 0.1CF3EILifshitz and Grajower, 1969 
C2F5+13.32CF3PINoutary, 1968 
C3F7+15.7 ± 0.1FEILifshitz and Grajower, 1969 
C3F7+15.44 ± 0.02FPINoutary, 1968 
F+23.5?EIBibby and Carter, 1963 

Mass spectrum (electron ionization)

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Site Links, NIST Free Links, References, Notes

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

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
NIST MS number 8136

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References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), Site Links, NIST Free Links, Notes

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

Kolesov, Talakin, et al., 1967
Kolesov, V.P.; Talakin, O.G.; Skuratov, S.M., Standard enthalpy of formation of perfluoropropane and enthalpies of formation of normal perfluoroalkanes, Vestn. Mosk. Univ. Khim., 1967, 22, 38-42. [all data]

Kolesov and Kozina, 1986
Kolesov, V.P.; Kozina, M.P., Thermochemistry of organic and organohalogen compounds, Russ. Chem. Rev., 1986, 55, 912. [all data]

Pace and Plaush, 1967
Pace, E.L.; Plaush, A.C., Thermodynamic properties of octafluoropropane from 14K to its normal boiling point. An estimate of the barrier to internal rotation from the entropy and heat capacity of the gas, J. Chem. Phys., 1967, 47, 38-43. [all data]

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

Streng, 1971
Streng, A.G., Miscibility and Compatibility of Some Liquid and Solidified Gases at Low Temperature, J. Chem. Eng. Data, 1971, 16, 357. [all data]

Gilmour, Zwicker, et al., 1967
Gilmour, J.B.; Zwicker, J.O.; Katz, J.; Scott, R.L., Fluorocarbon Solutions at Low Temperatures V. The Liquid Mixtures C2H6 + C2F6m, C3H8 + C2F6, CH4 + C3F8, C2H6 + C3F8, C3H8 + C3F8, n-C4H10 + C3F8, i-C4H10 + C3F8, C3H8 + n-C4F10, n-C6H14 + n-C4F10, n, J. Phys. Chem., 1967, 71, 3259. [all data]

Crowder, Taylor, et al., 1967
Crowder, G.A.; Taylor, Z.L.; Reed, T.M.; Young, J.A., Vapor Pressures and Triple Point Temp. for Several Pure Fluorocarbons fluorocarbons, J. Chem. Eng. Data, 1967, 12, 481. [all data]

Leu and Robinson, 1992
Leu, A.D.; Robinson, D.B., High-pressure vapor-liquid equilibrium phase properties of the octafluoropropane (K-218)-chlorodifluoromethane (Freon-22) binary system, J. Chem. Eng. Data, 1992, 37, 7-10. [all data]

Mousa, Kay, et al., 1972
Mousa, A.H.N.; Kay, W.B.; Kreglewski, A., The critical constants of binary mixtures of certain perfluoro-compounds with alkanes, J. Chem. Thermodyn., 1972, 4, 301-11. [all data]

Brown, 1963
Brown, J.A., Physical Properties of Perfluoropropane, J. Chem. Eng. Data, 1963, 8, 106. [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]

Pace, 1967
Pace, E.L., Thermodynamic Properties of Octafluoropropane from 14°K to Its Normal Boiling Point. An Estimate of the Barrier to Internal Rotation from the Entropy and Heat Capacity of the Gas, J. Chem. Phys., 1967, 47, 1, 38, https://doi.org/10.1063/1.1711886 . [all data]

Brown, 1963, 2
Brown, James A., Physical Properties of Perfluoropropane., J. Chem. Eng. Data, 1963, 8, 1, 106-108, https://doi.org/10.1021/je60016a032 . [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]

Dewar and Worley, 1969
Dewar, M.J.S.; Worley, S.D., Photoelectron spectra of molecules. I. Ionization potentials of some organic molecules and their interpretation, J. Chem. Phys., 1969, 50, 654. [all data]

Smith and Kevan, 1967
Smith, D.; Kevan, L., Dissociative charge exchange of rare-gas ions with C2F6 and C3F8, J. Chem. Phys., 1967, 46, 1586. [all data]

Lifshitz and Grajower, 1969
Lifshitz, C.; Grajower, R., Dissociative electron capture and dissociative ionization in perfluoropropane, Intern. J. Mass Spectrom. Ion Phys., 1969, 3, 211. [all data]

Noutary, 1968
Noutary, C.J., Mass spectrometric study of some fluorocarbons and trifluoromethyl halides, J.Res. NBS, 1968, 72A, 479. [all data]

Bibby and Carter, 1963
Bibby, M.M.; Carter, G., Ionization and dissociation in some fluorocarbon gases, J. Chem. Soc. Faraday Trans., 1963, 59, 2455. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), Site Links, NIST Free Links, References