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Pentafluorodimethyl ether

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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

Quantity Value Units Method Reference Comment
Tboil238.6KN/AHwang, DesMarteau, et al., 1992Uncertainty assigned by TRC = 0.5 K; TRC
Quantity Value Units Method Reference Comment
Tfus116.KN/AWang, Adcock, et al., 1991Uncertainty assigned by TRC = 2. K; TRC
Quantity Value Units Method Reference Comment
Tc353.85KN/AWang, Adcock, et al., 1991Uncertainty assigned by TRC = 0.3 K; TRC
Quantity Value Units Method Reference Comment
Pc32.83atmN/AWang, Adcock, et al., 1991Uncertainty assigned by TRC = 0.12 atm; TRC

Enthalpy of vaporization

DeltavapH (kcal/mol) Temperature (K) Method Reference Comment
5.33239.IKul, DesMarteau, et al., 2001Based on data from 216. - 238. K.; AC
4.61260.EBWeber and Defibaugh, 1996Based on data from 229. - 331. K.; AC
4.21280.EBWeber and Defibaugh, 1996Based on data from 229. - 331. K.; AC
3.73300.EBWeber and Defibaugh, 1996Based on data from 229. - 331. K.; AC
4.88255.ASalvi-Narkhede, Wang, et al., 1992Based on data from 240. - 313. K.; AC

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


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- + Pentafluorodimethyl ether = (CN- bullet Pentafluorodimethyl ether)

By formula: CN- + C2HF5O = (CN- bullet C2HF5O)

Quantity Value Units Method Reference Comment
Deltar18.7 ± 3.5kcal/molIMRELarson and McMahon, 1987gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar24.9cal/mol*KN/ALarson and McMahon, 1987gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Deltar11.3 ± 2.3kcal/molIMRELarson and McMahon, 1987gas phase; B,M

Chlorine anion + Pentafluorodimethyl ether = (Chlorine anion bullet Pentafluorodimethyl ether)

By formula: Cl- + C2HF5O = (Cl- bullet C2HF5O)

Quantity Value Units Method Reference Comment
Deltar17.50 ± 0.40kcal/molTDAsBogdanov, Lee, et al., 2001gas phase; B
Quantity Value Units Method Reference Comment
Deltar11.3 ± 1.0kcal/molTDAsBogdanov, Lee, et al., 2001gas phase; B
Deltar12.1 ± 2.0kcal/molIMRELarson and McMahon, 1984gas phase; B,M

Fluorine anion + Pentafluorodimethyl ether = (Fluorine anion bullet Pentafluorodimethyl ether)

By formula: F- + C2HF5O = (F- bullet C2HF5O)

Quantity Value Units Method Reference Comment
Deltar27.0 ± 2.0kcal/molIMRELarson and McMahon, 1984gas phase; B,M

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 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

CN- + Pentafluorodimethyl ether = (CN- bullet Pentafluorodimethyl ether)

By formula: CN- + C2HF5O = (CN- bullet C2HF5O)

Quantity Value Units Method Reference Comment
Deltar18.7 ± 3.5kcal/molIMRELarson and McMahon, 1987gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar24.9cal/mol*KN/ALarson and McMahon, 1987gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Deltar11.3 ± 2.3kcal/molIMRELarson and McMahon, 1987gas phase; B,M

Chlorine anion + Pentafluorodimethyl ether = (Chlorine anion bullet Pentafluorodimethyl ether)

By formula: Cl- + C2HF5O = (Cl- bullet C2HF5O)

Quantity Value Units Method Reference Comment
Deltar17.50 ± 0.40kcal/molTDAsBogdanov, Lee, et al., 2001gas phase; B
Quantity Value Units Method Reference Comment
Deltar11.3 ± 1.0kcal/molTDAsBogdanov, Lee, et al., 2001gas phase; B
Deltar12.1 ± 2.0kcal/molIMRELarson and McMahon, 1984gas phase; B,M

Fluorine anion + Pentafluorodimethyl ether = (Fluorine anion bullet Pentafluorodimethyl ether)

By formula: F- + C2HF5O = (F- bullet C2HF5O)

Quantity Value Units Method Reference Comment
Deltar27.0 ± 2.0kcal/molIMRELarson and McMahon, 1984gas phase; B,M

References

Go To: Top, Phase change data, Reaction thermochemistry data, Ion clustering data, NIST Free Links, Notes

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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