Pentafluorodimethyl ether

• Formula: C₂HF₅O
• Molecular weight: 136.0208
• IUPAC Standard InChI: InChI=1S/C2HF5O/c3-1(4)8-2(5,6)7/h1H Copy

  
• IUPAC Standard InChIKey: ACYQYBAHTSKBLM-UHFFFAOYSA-N Copy
• CAS Registry Number: 3822-68-2
• Chemical structure:
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• Information on this page:
  • Phase change data
  • Reaction thermochemistry data
  • References
  • Notes
• Other data available:
  • Ion clustering data
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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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos

Enthalpy of vaporization

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

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

CN^- +  = (CN^- • )

By formula: CN^- + C₂HF₅O = (CN^- • C₂HF₅O)

 +  = ( • )

By formula: Cl^- + C₂HF₅O = (Cl^- • C₂HF₅O)

 +  = ( • )

By formula: F^- + C₂HF₅O = (F^- • C₂HF₅O)

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.

Hwang, DesMarteau, et al., 1992
Hwang, S.H.; DesMarteau, D.D.; Beyerlein, A.L.; Smith, N.D.; Joyner, P., The heat capacity of fluorinated propane and butane derivatives by differential scanning calorimetry, J. Therm. Anal., 1992, 38, 2515-28. [all data]

Wang, Adcock, et al., 1991
Wang, B.H.; Adcock, J.L.; Mathur, S.B.; Van Hook, W.A., Vapor pressures, liquid molar volumes, vapor non-idealities, and critical properties of some fluorinated ethers: CF3OCF2OCF3, CF3OCF2CF2H, c-CF2CF2 CF2O, CF3OCF2H, and CF3OCH3; and of CCl3F and CF2CI, J. Chem. Thermodyn., 1991, 23, 699-710. [all data]

Kul, DesMarteau, et al., 2001
Kul, Ismail; DesMarteau, Darryl D.; Beyerlein, Adolph L., Vapor--liquid equilibria for CF3OCF2H/fluorinated ethane and CF3SF5/fluorinated ethane mixtures as potential R22 alternatives, Fluid Phase Equilibria, 2001, 185, 1-2, 241-253, https://doi.org/10.1016/S0378-3812(01)00474-5 . [all data]

Weber and Defibaugh, 1996
Weber, Lloyd A.; Defibaugh, Dana R., Vapor Pressure of Pentafluorodimethyl Ether, J. Chem. Eng. Data, 1996, 41, 3, 382-385, https://doi.org/10.1021/je950217m . [all data]

Salvi-Narkhede, Wang, et al., 1992
Salvi-Narkhede, M.; Wang, Bao-Huai; Adcock, James L.; Alexander Van Hook, W., Vapor pressures, liquid molar volumes, vapor non-ideality, and critical properties of some partially fluorinated ethers (CF3OCF2CF2H, CF3OCF2H, and CF3OCH3), some perfluoroethers (CF3OCF2OCF3, c-CF2OCF2OCF2, and c-CF2CF2CF2O), and of CHF2Br and CF3CFHCF3, The Journal of Chemical Thermodynamics, 1992, 24, 10, 1065-1075, https://doi.org/10.1016/S0021-9614(05)80017-5 . [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]

Bogdanov, Lee, et al., 2001
Bogdanov, B.; Lee, H.J.S.; McMahon, T.B., Influence of fluorine substitution on the structures and thermochemistry of chloride ion-ether complexes in the gas phase, Int. J. Mass Spectrom., 2001, 210, 387-402, https://doi.org/10.1016/S1387-3806(01)00404-3 . [all data]

Larson and McMahon, 1984
Larson, J.W.; McMahon, T.B., Fluoride and chloride affinities of main group oxides, fluorides, oxofluorides, and alkyls. Quantitative scales of lewis acidities from ion cyclotron resonance halide-exchange equilibria, J. Phys. Chem., 1984, 88, 1083. [all data]

Notes

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• Symbols used in this document:
  

  Pc	Critical pressure
  Tboil	Boiling point
  Tc	Critical temperature
  Tfus	Fusion (melting) point
  ΔrG°	Free energy of reaction at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions
  ΔrS°	Entropy of reaction at standard conditions
  ΔvapH	Enthalpy of vaporization

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