Difluorochloromethane

• Formula: CHClF₂
• Molecular weight: 86.468
• IUPAC Standard InChI: InChI=1S/CHClF2/c2-1(3)4/h1H Copy

  
• IUPAC Standard InChIKey: VOPWNXZWBYDODV-UHFFFAOYSA-N Copy
• CAS Registry Number: 75-45-6
• 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, chlorodifluoro-; Algeon 22; Algofrene Type 6; Arcton 4; Chlorodifluoromethane; Difluoromonochloromethane; Electro-CF 22; F 22; Freon 22; Frigen 22; FC 22; Genetron 22; Isotron 22; Monochlorodifluoromethane; R 22; Ucon 22; CHF2Cl; Algofrene 22; Arcton 22; CFC 22; Daiflon 22; Dymel 22; Eskimon 22; Flugene 22; Fluorocarbon-22; Forane 22; Frigen; Haltron 22; Isceon 22; Khaladon 22; Monochlorodifluormethane; Propellant 22; Refrigerant 22; UN 1018; CHClF2; Algofrene 6; Khladon 22; Flon 22; F 22 (halocarbon); FKW 22; HCFC 22; HFA-22; Refrigerant R 22; Methane, difluoro chloro
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Gas phase ion energetics data
  • Ion clustering data
  • Mass spectrum (electron ionization)
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • Henry's Law data
  • IR Spectrum
  • Gas Chromatography
  • Fluid Properties
• Data at other public NIST sites:
  • Electron-Impact Ionization Cross Sections (on physics web site)
  • Electron-Impact Ionization Cross Sections (on physics web site)
  • Gas Phase Kinetics Database
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Gas phase ion energetics data

Go To: Top, Ion clustering data, Mass spectrum (electron ionization), References, Notes

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:
L - 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

Ionization energy determinations

Appearance energy determinations

De-protonation reactions

CClF₂^- +  =

By formula: CClF₂^- + H⁺ = CHClF₂

Ion clustering data

Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), References, Notes

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

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: Cl^- + CHClF₂ = (Cl^- • CHClF₂)

Mass spectrum (electron ionization)

Go To: Top, Gas phase ion energetics data, Ion clustering 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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Additional Data

References

Go To: Top, Gas phase ion energetics data, Ion clustering 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.

Wang and Leroi, 1983
Wang, F.C.-Y.; Leroi, G.E., Photoionization and fragmentation of halogenated methanes, Ann. Isr. Phys. Soc., 1983, 6, 210. [all data]

Novak, Cvitas, et al., 1981
Novak, I.; Cvitas, T.; Klasinc, L.; Gusten, H., Photoelectron spectra of some halogenomethanes, J. Chem. Soc. Faraday Trans. 2, 1981, 77, 2049. [all data]

Watanabe, Nakayama, et al., 1962
Watanabe, K.; Nakayama, T.; Mottl, J., Ionization potentials of some molecules, J. Quant. Spectry. Radiative Transfer, 1962, 2, 369. [all data]

Doucet, Sauvageau, et al., 1973
Doucet, J.; Sauvageau, P.; Sandorfy, C., Vacuum ultraviolet and photoelectron spectra of fluoro-chloro derivatives of methane, J. Chem. Phys., 1973, 58, 3708. [all data]

Hobrock and Kiser, 1964
Hobrock, D.L.; Kiser, R.W., Electron impact studies of some trihalomethanes: trichloromethane, dichlorofluoro-methane, chlorodifluoromethane, and trifluoromethane, J. Phys. Chem., 1964, 68, 575. [all data]

Paulino and Squires, 1991
Paulino, J.A.; Squires, R.R., Carbene Anion Complexes - Unusual Structural and Thermochemical Features of alpha-Halocarbanions in the Gas Phase, J. Am. Chem. Soc., 1991, 113, 5, 1845, https://doi.org/10.1021/ja00005a067 . [all data]

Dispert and Lacmann, 1978
Dispert, H.; Lacmann, K., Negative ion formation in collisions between potassium and fluoro- and chloromethanes: Electron affinities and bond dissociation energies, Int. J. Mass Spectrom. Ion Phys., 1978, 28, 49. [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]

Notes

Go To: Top, Gas phase ion energetics data, Ion clustering data, Mass spectrum (electron ionization), References

• Symbols used in this document:
  

  AE	Appearance energy
  IE (evaluated)	Recommended ionization energy
  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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