Ethanol, 2,2,2-trifluoro-

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

Quantity Value Units Method Reference Comment
Δfliquid-932.57 ± 0.79kJ/molCcrKolesov, Ivanov, et al., 1971Corrected for CODATA value of ΔfH; Correction of Kolesov, Zenkov, et al., 1965
Quantity Value Units Method Reference Comment
Δcliquid-821.53 ± 0.79kJ/molCcrKolesov, Ivanov, et al., 1971Corrected for CODATA value of ΔfH; Correction of Kolesov, Zenkov, et al., 1965

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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil348. ± 3.KAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus229.65KN/AKobayashi and Nagashima, 1985Uncertainty assigned by TRC = 0.3 K; TRC
Quantity Value Units Method Reference Comment
Tc498.57KN/ABier, Tuerk, et al., 1990Uncertainty assigned by TRC = 0.1 K; TRC
Quantity Value Units Method Reference Comment
Pc48.25barN/ABier, Tuerk, et al., 1990Uncertainty assigned by TRC = 0.15 bar; TRC
Quantity Value Units Method Reference Comment
Δvap43.97kJ/molVRochester and Symonds, 1973ALS

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
45.9289.AStephenson and Malanowski, 1987Based on data from 276. to 302. K.; AC
44.0313.AStephenson and Malanowski, 1987Based on data from 298. to 328. K. See also Dykyj, 1970.; AC
41.5313.MMRochester and Symonds, 1973Based on data from 298. to 328. K.; AC
44.5285.MMMeeks and Goldfarb, 1967Based on data from 273. to 298. K.; AC

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
272.8 to 298.63.56946855.921-111.932Meeks and Goldfarb, 1967, 2Coefficents calculated by NIST from author's data.

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:


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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias

Data compiled as indicated in comments:
B - John E. Bartmess
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Quantity Value Units Method Reference Comment
Proton affinity (review)700.2kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity669.9kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
11.49PEKoppel, Molder, et al., 1983LBLHLM
13.8DERLevitt and Levitt, 1970RDSH
11.7PERobin and Kuebler, 1973Vertical value; LLK

De-protonation reactions

C2H2F3O- + Hydrogen cation = Ethanol, 2,2,2-trifluoro-

By formula: C2H2F3O- + H+ = C2H3F3O

Quantity Value Units Method Reference Comment
Δr1513. ± 10.kJ/molG+TSBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B
Quantity Value Units Method Reference Comment
Δr1482. ± 8.4kJ/molIMREBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B

Mass spectrum (electron ionization)

Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, 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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Mass 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.
Origin NIST Mass Spectrometry Data Center, 1990.
NIST MS number 118716

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References

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

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

Kolesov, Ivanov, et al., 1971
Kolesov, V.P.; Ivanov, L.S.; Skuratov, S.M., The standard enthalpy of formation of 2,2,2-trifluoroethanol, Russ. J. Phys. Chem. (Engl. Transl.), 1971, 45, 303-305. [all data]

Kolesov, Zenkov, et al., 1965
Kolesov, V.P.; Zenkov, I.D.; Skuratov, S.M., Standard enthalpy of formation of 2,2,2-trifluoroethanol, Russ. J. Phys. Chem. (Engl. Transl.), 1965, 39, 1320-1322. [all data]

Kobayashi and Nagashima, 1985
Kobayashi, K.; Nagashima, A., Measurement of the Viscosity of Trifluoroethanol and Its Aqueous Solutions under High Pressure, Bull. JSME, 1985, 28, 1453. [all data]

Bier, Tuerk, et al., 1990
Bier, K.; Tuerk, M.; Zhai, J., Vapor. press. of trifluoroethanol in Int. Inst. Ref., Comm. B1, Proc. Meet., Herzlia, Israel, 129-39, 1990. [all data]

Rochester and Symonds, 1973
Rochester, C.H.; Symonds, J.R., Thermodynamic studies of fluoroalchols Part 1.-Vapour pressures and enthalpies of vaporization, J. Chem. Soc. Faraday Trans. 1, 1973, 69, 1267. [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]

Dykyj, 1970
Dykyj, J., Petrochemica, 1970, 10, 2, 51. [all data]

Meeks and Goldfarb, 1967
Meeks, Alan C.; Goldfarb, Ivan J., Vapor pressure of fluoroalcohols, J. Chem. Eng. Data, 1967, 12, 2, 196-196, https://doi.org/10.1021/je60033a010 . [all data]

Meeks and Goldfarb, 1967, 2
Meeks, A.C.; Goldfarb, I.J., Vapor Pressure of Fluoroalcohols, J. Chem. Eng. Data, 1967, 12, 2, 196, https://doi.org/10.1021/je60033a010 . [all data]

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Koppel, Molder, et al., 1983
Koppel, I.A.; Molder, U.H.; Pikver, R.J., Photoelectron spectra of molecules. I. Alcohols, Org. React. Tartu, 1983, 20, 45. [all data]

Levitt and Levitt, 1970
Levitt, L.S.; Levitt, B.W., Evaluation of the basic ionization constants of water and alcohols from their ionization potentials, J. Phys. Chem., 1970, 74, 1812. [all data]

Robin and Kuebler, 1973
Robin, M.B.; Kuebler, N.A., Excited electronic states of the simple alcohols, J. Electron Spectrosc. Relat. Phenom., 1973, 1, 13. [all data]

Bartmess, Scott, et al., 1979
Bartmess, J.E.; Scott, J.A.; McIver, R.T., Jr., The gas phase acidity scale from methanol to phenol, J. Am. Chem. Soc., 1979, 101, 6047. [all data]


Notes

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