Ethane, 1,1,1-trifluoro-

• Formula: C₂H₃F₃
• Molecular weight: 84.0404
• IUPAC Standard InChI: InChI=1S/C2H3F3/c1-2(3,4)5/h1H3 Copy

  
• IUPAC Standard InChIKey: UJPMYEOUBPIPHQ-UHFFFAOYSA-N Copy
• CAS Registry Number: 420-46-2
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Other names: Methylfluoroform; 1,1,1-Trifluoroethane; CH3CF3; Freon 143a; FC 143a; Fluorocarbon FC143a; R 143a; 1,1,1-Trifluoroform
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• Information on this page:
  • Gas phase thermochemistry data
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • Mass spectrum (electron ionization)
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • Phase change data
  • Fluid Properties
• Data at other public NIST sites:
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Gas 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

Reaction 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

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

 +  =  + 

By formula: C₂H₃F₃ + I₂ = HI + C₂H₂F₃I

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 as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

Appearance energy determinations

Mass spectrum (electron ionization)

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

Spectrum

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Additional Data

Gas Chromatography

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

Normal alkane RI, non-polar column, temperature ramp

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References

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

Wu and Rodgers, 1974
Wu, E.; Rodgers, A.S., Thermochemistry of gas-phase equilibrium CF₃CH₃ + I₂ = CF₃CH₂I + HI. The carbon-hydrogen bond dissociation energy in 1,1,1-trifluoroethane and the heat of formation of the 2,2,2-trifluoroethyl radical, J. Phys. Chem., 1974, 78, 2315-2317. [all data]

Kolesov and Papina, 1983
Kolesov, V.P.; Papina, T.S., Thermochemistry of Haloethanes, Russ. Chem. Rev., 1983, 52, 425. [all data]

Kolesov, Martynov, et al., 1965
Kolesov, V.P.; Martynov, A.M.; Skuratov, S.M., Standard enthalpy of formation of 1,1,1-trifluoroethane, Russ. J. Phys. Chem. (Engl. Transl.), 1965, 39, 223-225. [all data]

Simmie and Tschuikow-Roux, 1971
Simmie, J.M.; Tschuikow-Roux, E., Mass spectrum, appearance potentials and bond dissociation energies of 1,1,1-trifluoroethane, Int. J. Mass Spectrom. Ion Phys., 1971, 7, 41. [all data]

Sauvageau, Doucet, et al., 1974
Sauvageau, P.; Doucet, J.; Gilbert, R.; Sandorfy, C., Vacuum ultraviolet and photoelectron spectra of fluoroethanes, J. Chem. Phys., 1974, 61, 391. [all data]

Gol'denfel'd, Korostyshevskii, et al., 1973
Gol'denfel'd, I.V.; Korostyshevskii, I.Z.; Mischanchuk, B.G.; Pokrovskii, V.A., Determination of ionization potentials of atoms and molecules using a field mass spectrometer equipped with an energy analyzer, Dokl. Akad. Nauk SSSR, 1973, 213, 626. [all data]

Loguinov, Takhistov, et al., 1981
Loguinov, Y.; Takhistov, V.V.; Vatlina, L.P., Photoionization studies of substituted trimethylamines, Org. Mass Spectrom., 1981, 16, 239. [all data]

Steele and Stone, 1962
Steele, W.C.; Stone, F.G.A., An electron impact study of 1,1,1-trifluoroethane, 1,1,1-trifluoropropane and 3,3,3-trifluoropropene, J. Am. Chem. Soc., 1962, 84, 3450. [all data]

Zenkevich, 2005
Zenkevich, I.G., Experimentally measured retention indices., 2005. [all data]

Notes

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• Symbols used in this document:
  

  AE	Appearance energy
  ΔcH°gas	Enthalpy of combustion of gas at standard conditions
  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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