Fluoroform

• Formula: CHF₃
• Molecular weight: 70.0138
• IUPAC Standard InChI: InChI=1S/CHF3/c2-1(3)4/h1H Copy

  
• IUPAC Standard InChIKey: XPDWGBQVDMORPB-UHFFFAOYSA-N Copy
• CAS Registry Number: 75-46-7
• 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: Methane, trifluoro-; Arcton 1; Fluoryl; Freon F-23; Freon 23; Genetron 23; Methyl trifluoride; R 23; Trifluoromethane; CHF3; Arcton; Halocarbon 23; UN 1984; Carbon trifluoride; Genetron HFC23; Propellant 23; Refrigerant 23; FC 23 (fluorocarbon); FC 23; R 23 (halocarbon); HFC 23
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Reaction thermochemistry data
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • Henry's Law data
  • Gas phase ion energetics data
  • Ion clustering data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • Vibrational and/or electronic energy levels
  • Gas Chromatography
  • Fluid Properties
• Data at other public NIST sites:
  • Computational Chemistry Comparison and Benchmark Database
  • Gas Phase Kinetics Database
  • X-ray Photoelectron Spectroscopy Database, version 5.0
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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 as indicated in comments:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
MS - José A. Martinho Simões
ALS - 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

CF₃^- +  =

By formula: CF₃^- + H⁺ = CHF₃

CN^- +  = (CN^- • )

By formula: CN^- + CHF₃ = (CN^- • CHF₃)

 +  = ( • )

By formula: Cl^- + CHF₃ = (Cl^- • CHF₃)

 +  = ( • )

By formula: F^- + CHF₃ = (F^- • CHF₃)

C₈H₅^- +  = C₉H₆F₃^-

By formula: C₈H₅^- + CHF₃ = C₉H₆F₃^-

C₂H^- +  = C₃H₂F₃^-

By formula: C₂H^- + CHF₃ = C₃H₂F₃^-

C₉H₇^- +  = C₁₀H₈F₃^-

By formula: C₉H₇^- + CHF₃ = C₁₀H₈F₃^-

C₂H₅O^- +  = C₃H₆F₃O^-

By formula: C₂H₅O^- + CHF₃ = C₃H₆F₃O^-

CH₃O^- +  = C₂H₄F₃O^-

By formula: CH₃O^- + CHF₃ = C₂H₄F₃O^-

C₃H₇O^- +  = C₄H₈F₃O^-

By formula: C₃H₇O^- + CHF₃ = C₄H₈F₃O^-

C₄H₉⁺ +  = (C₄H₉⁺ • )

By formula: C₄H₉⁺ + CHF₃ = (C₄H₉⁺ • CHF₃)

C₅O₅W (g) +  (g) = C₆HF₃O₅W (g)

By formula: C₅O₅W (g) + CHF₃ (g) = C₆HF₃O₅W (g)

 +  = ( • )

By formula: I^- + CHF₃ = (I^- • CHF₃)

 +  =  + 

By formula: CHF₃ + Br₂ = HBr + CBrF₃

 +  =  + 

By formula: HBr + CBrF₃ = CHF₃ + Br₂

2 =  + 

By formula: 2CHClF₂ = CHCl₂F + CHF₃

References

Go To: Top, Reaction thermochemistry data, Notes

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

Deyerl, Alconcel, et al., 2001
Deyerl, H.J.; Alconcel, L.S.; Continetti, R.E., Photodetachment imaging studies of the electron affinity of CF3, J. Phys. Chem. A, 2001, 105, 3, 552-557, https://doi.org/10.1021/jp003137k . [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]

Paulino and Squires, 1991
Paulino, J.A.; Squires, R.R., Carbene Thermochemistry from Collision-Induced Dissociation Threshold Energy Measurements - The Heats of Formation of X1A1 CF2 and X1A1 CCl2, J. Am. Chem. Soc., 1991, 113, 15, 5573, https://doi.org/10.1021/ja00015a009 . [all data]

Graul and Squires, 1990
Graul, S.T.; Squires, R.R., Gas-Phase Acidities Derived from Threshold Energies for Activated Reactions, J. Am. Chem. Soc., 1990, 112, 7, 2517, https://doi.org/10.1021/ja00163a007 . [all data]

Larson and McMahon, 1987
Larson, J.W.; McMahon, T.B., Hydrogen bonding in gas phase anions. The energetics of interaction between cyanide ion and bronsted acids, J. Am. Chem. Soc., 1987, 109, 6230. [all data]

Payzant, Yamdagni, et al., 1971
Payzant, J.D.; Yamdagni, R.; Kebarle, P., Hydration of CN-, NO₂-, NO₃-, and HO- in the gas phase, Can. J. Chem., 1971, 49, 3308. [all data]

Larson and McMahon, 1984
Larson, J.W.; McMahon, T.B., Hydrogen bonding in gas phase anions. An experimental investigation of the interaction between chloride ion and bronsted acids from ICR chloride exchange equilibria, J. Am. Chem. Soc., 1984, 106, 517. [all data]

Larson and McMahon, 1984, 2
Larson, J.W.; McMahon, T.B., Gas phase negative ion chemistry of alkylchloroformates, Can. J. Chem., 1984, 62, 675. [all data]

French, Ikuta, et al., 1982
French, M.A.; Ikuta, S.; Kebarle, P., Hydrogen bonding of O-H and C-H hydrogen donors to Cl^-. Results from mass spectrometric measurement of the ion-molecule equilibria RH + Cl^- = RHCl^-, Can. J. Chem., 1982, 60, 1907. [all data]

Larson and McMahon, 1983
Larson, J.W.; McMahon, T.B., Strong hydrogen bonding in gas-phase anions. An ion cyclotron resonance determination of fluoride binding energetics to bronsted acids from gas-phase fluoride exchange equilibria measurements, J. Am. Chem. Soc., 1983, 105, 2944. [all data]

Arshadi, Yamdagni, et al., 1970
Arshadi, M.; Yamdagni, R.; Kebarle, P., Hydration of Halide Negative Ions in the Gas Phase. II. Comparison of Hydration Energies for the Alkali Positive and Halide Negative Ions, J. Phys. Chem., 1970, 74, 7, 1475, https://doi.org/10.1021/j100702a014 . [all data]

Chabinyc and Brauman, 2000
Chabinyc, M.L.; Brauman, J.I., Unusual ionic hydrogen bonds: Complexes of acetylides and fluoroform, J. Am. Chem. Soc., 2000, 122, 36, 8739-8745, https://doi.org/10.1021/ja000806z . [all data]

Chabinyc and Brauman, 1998
Chabinyc, M.L.; Brauman, J.I., Acidity, basicity, and the stability of hydrogen bonds: Complexes of RO-+HCF3, J. Am. Chem. Soc., 1998, 120, 42, 10863-10870, https://doi.org/10.1021/ja9817592 . [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]

Brown, Ishikawa, et al., 1990
Brown, C.E.; Ishikawa, Y.; Hackett, P.A.; Rayner, D.M., J. Am. Chem. Soc., 1990, 112, 2530. [all data]

Caldwell, Masucci, et al., 1989
Caldwell, G.W.; Masucci, J.A.; Ikonomou, M.G., Negative Ion Chemical Ionization Mass Spectrometry - Binding of Molecules to Bromide and Iodide Anions, Org. Mass Spectrom., 1989, 24, 1, 8, https://doi.org/10.1002/oms.1210240103 . [all data]

Corbett, Tarr, et al., 1963
Corbett, P.; Tarr, A.M.; Whittle, E., Vapour-phase bromination of fluoroform and methane, Trans. Faraday Soc., 1963, 59, 1609. [all data]

Coomber and Whittle, 1967
Coomber, J.W.; Whittle, E., Bond dissociation energies from equilibrium studies. Part 1.-D(CF₃-Br), D(C₂F₅-Br) and D(n-C₃F₇-Br), Trans. Faraday Soc., 1967, 63, 608-619. [all data]

Hess and Kemnitz, 1992
Hess, A.; Kemnitz, E., Heterogeneously catalyzed dismutation and conmutation reactions of CHCl₃-nFnchlorofluorocarbons. A kinetic study, Appl. Catal. A:, 1992, 82, 247-257. [all data]

Notes

Go To: Top, Reaction thermochemistry data, References

• Symbols used in this document:
  

  ΔrG°	Free energy of reaction at standard conditions
  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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