Tetrafluoromethane

• Formula: CF₄
• Molecular weight: 88.0043
• IUPAC Standard InChI: InChI=1S/CF4/c2-1(3,4)5 Copy

  
• IUPAC Standard InChIKey: TXEYQDLBPFQVAA-UHFFFAOYSA-N Copy
• CAS Registry Number: 75-73-0
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
  The 3d structure may be viewed using Java or Javascript.
• Other names: Carbon tetrafluoride; Methane, tetrafluoro-; Arcton 0; Carbon fluoride (CF4); Freon 14; FC 14; Perfluoromethane; CF4; Halon 14; Carbon fluoride; F 14; Halocarbon 14; R 14; UN 1982; Refrigerant 14; CFC 14; R 14 (Refrigerant); Refrigerant R 14; Methane, tetrafluo-
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• Information on this page:
  • Gas phase ion energetics data
  • Ion clustering data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • Vibrational and/or electronic energy levels
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • Henry's Law data
  • Fluid Properties
• Data at other public NIST sites:
  • Electron-Impact Ionization Cross Sections (on physics web site)
  • Gas Phase Kinetics Database
  • X-ray Photoelectron Spectroscopy Database, version 5.0
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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
L - Sharon G. Lias

Data compiled as indicated in comments:
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
LL - Sharon G. Lias and Joel F. Liebman
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

Appearance energy determinations

Ion clustering 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: Michael M. Meot-Ner (Mautner) and Sharon G. Lias

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

 +  = ( • )

By formula: CF₃⁺ + CF₄ = (CF₃⁺ • CF₄)

( • ) +  = ( • 2)

By formula: (CF₃⁺ • CF₄) + CF₄ = (CF₃⁺ • 2CF₄)

( • 2) +  = ( • 3)

By formula: (CF₃⁺ • 2CF₄) + CF₄ = (CF₃⁺ • 3CF₄)

( • 3) +  = ( • 4)

By formula: (CF₃⁺ • 3CF₄) + CF₄ = (CF₃⁺ • 4CF₄)

CF₃^- +  = (CF₃^- • )

By formula: CF₃^- + CF₄ = (CF₃^- • CF₄)

(CF₃^- • ) +  = (CF₃^- • 2)

By formula: (CF₃^- • CF₄) + CF₄ = (CF₃^- • 2CF₄)

(CF₃^- • 2) +  = (CF₃^- • 3)

By formula: (CF₃^- • 2CF₄) + CF₄ = (CF₃^- • 3CF₄)

(CF₃^- • 3) +  = (CF₃^- • 4)

By formula: (CF₃^- • 3CF₄) + CF₄ = (CF₃^- • 4CF₄)

CHF₄⁺ +  = (CHF₄⁺ • )

By formula: CHF₄⁺ + CF₄ = (CHF₄⁺ • CF₄)

(CHF₄⁺ • ) +  = (CHF₄⁺ • 2)

By formula: (CHF₄⁺ • CF₄) + CF₄ = (CHF₄⁺ • 2CF₄)

(CHF₄⁺ • 2) +  = (CHF₄⁺ • 3)

By formula: (CHF₄⁺ • 2CF₄) + CF₄ = (CHF₄⁺ • 3CF₄)

(CHF₄⁺ • 3) +  = (CHF₄⁺ • 4)

By formula: (CHF₄⁺ • 3CF₄) + CF₄ = (CHF₄⁺ • 4CF₄)

C₄H₉⁺ +  = (C₄H₉⁺ • )

By formula: C₄H₉⁺ + CF₄ = (C₄H₉⁺ • CF₄)

 +  = ( • )

By formula: F^- + CF₄ = (F^- • CF₄)

( • ) +  = ( • 2)

By formula: (F^- • CF₄) + CF₄ = (F^- • 2CF₄)

( • 2) +  = ( • 3)

By formula: (F^- • 2CF₄) + CF₄ = (F^- • 3CF₄)

( • 3) +  = ( • 4)

By formula: (F^- • 3CF₄) + CF₄ = (F^- • 4CF₄)

( • 4) +  = ( • 5)

By formula: (F^- • 4CF₄) + CF₄ = (F^- • 5CF₄)

IR Spectrum

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Data compiled by: Coblentz Society, Inc.

• GAS (100 mmHg, N2 ADDED, TOTAL PRESSURE 600 mmHg); DOW KBr FOREPRISM-GRATING; DIGITIZED BY COBLENTZ SOCIETY (BATCH II) FROM HARD COPY; 2 cm^-1 resolution

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

• gas

Data compiled by: Pamela M. Chu, Franklin R. Guenther, George C. Rhoderick, and Walter J. Lafferty

• gas; IFS66V (Bruker); 3-Term B-H Apodization
  0.1250, 0.2410, 0.4820, 0.9640, 1.9290 cm^-1 resolution
• gas; IFS66V (Bruker); Boxcar Apodization
  0.1250, 0.2410, 0.4820, 0.9640, 1.9290 cm^-1 resolution
• gas; IFS66V (Bruker); Happ Genzel Apodization
  0.1250, 0.2410, 0.4820, 0.9640, 1.9290 cm^-1 resolution
• gas; IFS66V (Bruker); NB Strong Apodization
  0.1250, 0.2410, 0.4820, 0.9640, 1.9290 cm^-1 resolution
• gas; IFS66V (Bruker); Triangular Apodization
  0.1250, 0.2410, 0.4820, 0.9640, 1.9290 cm^-1 resolution

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

Vibrational and/or electronic energy levels

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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: Takehiko Shimanouchi

Symmetry:   T_d     Symmetry Number σ = 12

Source: Shimanouchi, 1972

Notes

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, custom temperature program

View large format table.

References

Go To: Top, Gas phase ion energetics data, Ion clustering data, IR Spectrum, Mass spectrum (electron ionization), Vibrational and/or electronic energy levels, Gas Chromatography, Notes

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

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]

Kime, Driscoll, et al., 1987
Kime, Y.J.; Driscoll, D.C.; Dowben, P.A., The stability of the carbon tetrahalide ions, J. Chem. Soc. Faraday Trans. 2, 1987, 83, 403. [all data]

Novak, Potts, et al., 1985
Novak, I.; Potts, A.W.; Quinn, F.; Marr, G.V.; Dobson, B.; Hillier, I.H.; West, J.B., Photoelectron asymmetry measurements for CHF₃ and CF₄ in the photon energy range 19 to 80 eV, J. Phys. B:, 1985, 18, 1581. [all data]

Carlson, Fahlman, et al., 1984
Carlson, T.A.; Fahlman, A.; Svensson, W.A.; Krause, M.O.; Whitley, T.A.; Grimm, F.A.; Piancastelli, M.N.; Taylor, J.W., Angle-resolved photoelectron cross section of CF₄, J. Chem. Phys., 1984, 81, 3828. [all data]

Rosenstock, Draxl, et al., 1977
Rosenstock, H.M.; Draxl, K.; Steiner, B.W.; Herron, J.T., Energetics of gaseous ions, J. Phys. Chem. Ref. Data, 1977, 6. [all data]

Lloyd and Roberts, 1975
Lloyd, D.R.; Roberts, P.J., Photoelectron spectra of halides. VII. Variable temperature He(I) and He(II) studies of CF₄, SiF₄, and GeF₄, J. Electron Spectrosc. Relat. Phenom., 1975, 7, 325. [all data]

Bieri, Asbrink, et al., 1981
Bieri, G.; Asbrink, L.; Von Niessen, W., 30.4 nm He(II) photoelectron spectra of organic molecules. Part IV. Fluoro-compounds (C,H,F), J. Electron Spectrosc. Relat. Phenom., 1981, 23, 281. [all data]

Uehara, Saito, et al., 1973
Uehara, Y.; Saito, N.; Yonezawa, T., Ionization potentials of trifluoromethyl and methyl halides by photoelectron spectroscopy and calculations by extended Hucket and CNDO/2 methods, Chem. Lett., 1973, 495. [all data]

Jonas, Schweitzer, et al., 1973
Jonas, A.E.; Schweitzer, G.K.; Grimm, F.A.; Carlson, T.A., The photoelectron spectra of the tetrafluoro and tetramethyl compounds of the group IV elements, J. Electron Spectrosc. Relat. Phenom., 1973, 1, 29. [all data]

Harshbarger, Robin, et al., 1973
Harshbarger, W.R.; Robin, M.B.; Lassettre, E.N., The electron impact spectra of the fluoromethanes, J. Electron Spectrosc. Relat. Phenom., 1973, 1, 319. [all data]

Dibeler, Reese, et al., 1956
Dibeler, V.H.; Reese, R.M.; Mohler, F.L., Ionization and dissociation of the trifluoromethyl halides by electron impact, J. Res. NBS, 1956, 57, 113. [all data]

Fischer and Armentrout, 1990
Fischer, E.R.; Armentrout, P.B., The appearance energy of CF₃⁺ from CF₄: Ion/molecule reactions related to the thermochemistry of CF₃⁺., Int. J. Mass Spectrom. Ion Processes, 1990, 101, 1. [all data]

Tichy, Javahery, et al., 1987
Tichy, M.; Javahery, G.; Twiddy, N.D.; Ferguson, E.E., The thermal energy reactions HCl⁺ + SF₆ Ü SF₅⁺ + HF + Cl and HCl⁺ + CF₄ Ü CF₃⁺ + HF + Cl, Int. J. Mass Spectrom. Ion Processes, 1987, 79, 231. [all data]

Powis, 1980
Powis, I., The dissociation of state-selected CF₃X⁺ molecular ions, Mol. Phys., 1980, 39, 311. [all data]

Simm, Danby, et al., 1975
Simm, I.G.; Danby, C.J.; Eland, J.H.D.; Mansell, P.I., Translational energy release in the loss of fluorine atoms from the ions SF₆⁺, CF₄⁺ and C₂F₆⁺, J. Chem. Soc., 1975, 426. [all data]

Brehm, Frey, et al., 1974
Brehm, B.; Frey, R.; Kustler, A.; Eland, J.H.D., Kinetic energy release in ion fragmentation: N₂O⁺, COS⁺ and CF₄⁺ decays, Int. J. Mass Spectrom. Ion Processes, 1974, 79, 251. [all data]

Walter, Lifshitz, et al., 1969
Walter, T.A.; Lifshitz, C.; Chupka, W.A.; Berkowitz, J., Mass-spectrometric study of the photoionization of C₂F₄ and CF₄, J. Chem. Phys., 1969, 51, 3531. [all data]

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

Cook and Ching, 1965
Cook, G.R.; Ching, B.K., Photoionization and absorption cross sections and fluorescence of CF₄, J. Chem. Phys., 1965, 43, 1794. [all data]

Bibby, Toubelis, et al., 1965
Bibby, M.M.; Toubelis, B.J.; Carter, G., Ionization and dissociation in CF₄, Electron. Letters, 1965, 1, 50. [all data]

Hiraoka, Nasu, et al., 1996
Hiraoka, K.; Nasu, M.; Fujimaki, S.; Ignacio, E.W.; Yamabe, S., Gas-Phase Stability and Structure of the Cluster Ions CF3+(CO)n, CF3+(N2)n, CF3+((CF4)n, and CF4H+(CF4)n, J. Phys. Chem., 1996, 100, 13, 5245, https://doi.org/10.1021/jp9530010 . [all data]

Hiraoka, Nasu, et al., 1995
Hiraoka, K.; Nasu, M.; Fujimaki, S.; Ignacio, E.W.; Yamabe, S., Weak Ion-Molecule Complexes of F-(CF4)n and CF3-(CF4)n, Chem Phys. Let., 1995, 245, 1, 14, https://doi.org/10.1016/0009-2614(95)00980-I . [all data]

Sharma, Meza de Hojer, et al., 1985
Sharma, D.M.S.; Meza de Hojer, S.; Kebarle, P., Stabilities of halonium ions from a study of gas-phase equilibria R+ + XR' = (RXR')+, J. Am. Chem. Soc., 1985, 107, 13, 3757, https://doi.org/10.1021/ja00299a002 . [all data]

Shimanouchi, 1972
Shimanouchi, T., Tables of Molecular Vibrational Frequencies Consolidated Volume I, National Bureau of Standards, 1972, 1-160. [all data]

Zenkevich and Rodin, 2004
Zenkevich, I.G.; Rodin, A.A., Gas chromatographic identification of some volatile toxic fluorine containing compounds by precalculated retention indices, J. Ecol. Chem. (Rus.), 2004, 13, 1, 22-28. [all data]

Notes

Go To: Top, Gas phase ion energetics data, Ion clustering data, IR Spectrum, Mass spectrum (electron ionization), Vibrational and/or electronic energy levels, Gas Chromatography, References

• Symbols used in this document:
  

  AE	Appearance energy
  IE (evaluated)	Recommended ionization energy
  ΔrH°	Enthalpy of reaction at standard conditions
  ΔrS°	Entropy of reaction at standard conditions

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