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1,1,1',1'-Tetrafluorodimethyl 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 by: Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny, director

Quantity Value Units Method Reference Comment
Tc420.25KN/ADefibaugh, Gillis, et al., 1992Uncertainty assigned by TRC = 0.2 K; from obs. values of refractive index in an optical cell
Tc420.70KN/ADefibaugh, Gillis, et al., 1992Uncertainty assigned by TRC = 1. K; disappearance of the meniscus
Quantity Value Units Method Reference Comment
Pc41.73atmN/ADefibaugh, Gillis, et al., 1992Uncertainty assigned by TRC = 0.79 atm; vapor pressure at Tc
Quantity Value Units Method Reference Comment
rhoc4.48mol/lN/ADefibaugh, Gillis, et al., 1992Uncertainty assigned by TRC = 0.10 mol/l; extraplate liq and vapor densities calculated from obs. refractive index to Tc

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

Fluorine anion + 1,1,1',1'-Tetrafluorodimethyl ether = (Fluorine anion bullet 1,1,1',1'-Tetrafluorodimethyl ether)

By formula: F- + C2H2F4O = (F- bullet C2H2F4O)

Quantity Value Units Method Reference Comment
Deltar36.0 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M
Quantity Value Units Method Reference Comment
Deltar27.2cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Deltar28.3kcal/molICRLarson and McMahon, 1984gas phase; switching reaction(F-)SO2F2; M
Deltar27.9 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M

CN- + 1,1,1',1'-Tetrafluorodimethyl ether = (CN- bullet 1,1,1',1'-Tetrafluorodimethyl ether)

By formula: CN- + C2H2F4O = (CN- bullet C2H2F4O)

Quantity Value Units Method Reference Comment
Deltar22.0 ± 3.5kcal/molIMRELarson and McMahon, 1987gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar26.cal/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
Deltar15.1 ± 2.3kcal/molIMRELarson and McMahon, 1987gas phase; B,M

Chlorine anion + 1,1,1',1'-Tetrafluorodimethyl ether = (Chlorine anion bullet 1,1,1',1'-Tetrafluorodimethyl ether)

By formula: Cl- + C2H2F4O = (Cl- bullet C2H2F4O)

Quantity Value Units Method Reference Comment
Deltar28.20 ± 0.40kcal/molTDAsBogdanov, Lee, et al., 2001gas phase; B
Quantity Value Units Method Reference Comment
Deltar18.8 ± 1.0kcal/molTDAsBogdanov, Lee, et al., 2001gas phase; B
Deltar17.0 ± 2.0kcal/molIMRELarson and McMahon, 1984gas phase; B,M

C2H2ClF4O- + 21,1,1',1'-Tetrafluorodimethyl ether = C4H4ClF8O2-

By formula: C2H2ClF4O- + 2C2H2F4O = C4H4ClF8O2-

Quantity Value Units Method Reference Comment
Deltar21.40 ± 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

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- + 1,1,1',1'-Tetrafluorodimethyl ether = (CN- bullet 1,1,1',1'-Tetrafluorodimethyl ether)

By formula: CN- + C2H2F4O = (CN- bullet C2H2F4O)

Quantity Value Units Method Reference Comment
Deltar22.0 ± 3.5kcal/molIMRELarson and McMahon, 1987gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar26.cal/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
Deltar15.1 ± 2.3kcal/molIMRELarson and McMahon, 1987gas phase; B,M

C2H2ClF4O- + 21,1,1',1'-Tetrafluorodimethyl ether = C4H4ClF8O2-

By formula: C2H2ClF4O- + 2C2H2F4O = C4H4ClF8O2-

Quantity Value Units Method Reference Comment
Deltar21.40 ± 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

Chlorine anion + 1,1,1',1'-Tetrafluorodimethyl ether = (Chlorine anion bullet 1,1,1',1'-Tetrafluorodimethyl ether)

By formula: Cl- + C2H2F4O = (Cl- bullet C2H2F4O)

Quantity Value Units Method Reference Comment
Deltar28.20 ± 0.40kcal/molTDAsBogdanov, Lee, et al., 2001gas phase; B
Quantity Value Units Method Reference Comment
Deltar18.8 ± 1.0kcal/molTDAsBogdanov, Lee, et al., 2001gas phase; B
Deltar17.0 ± 2.0kcal/molIMRELarson and McMahon, 1984gas phase; B,M

Fluorine anion + 1,1,1',1'-Tetrafluorodimethyl ether = (Fluorine anion bullet 1,1,1',1'-Tetrafluorodimethyl ether)

By formula: F- + C2H2F4O = (F- bullet C2H2F4O)

Quantity Value Units Method Reference Comment
Deltar36.0 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M
Quantity Value Units Method Reference Comment
Deltar27.2cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Deltar28.3kcal/molICRLarson and McMahon, 1984gas phase; switching reaction(F-)SO2F2; M
Deltar27.9 ± 2.0kcal/molIMRELarson and McMahon, 1983gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M

Mass spectrum (electron ionization)

Go To: Top, Phase change data, Reaction thermochemistry data, Ion clustering data, NIST Free Links, 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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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Thomas J.Bruno
NIST MS number 215700

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References

Go To: Top, Phase change data, Reaction thermochemistry data, Ion clustering data, Mass spectrum (electron ionization), NIST Free Links, Notes

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

Defibaugh, Gillis, et al., 1992
Defibaugh, D.R.; Gillis, K.A.; Moldover, M.R.; Morrison, G.; Schmidt, J.W., Thermodynamic properties of CHF(2)-O-CHF(2), Bis(difluoromethyl) ether, Fluid Phase Equilib., 1992, 81, 285-305. [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]

Wenthold and Squires, 1995
Wenthold, P.G.; Squires, R.R., Bond dissociation energies of F2(-) and HF2(-). A gas-phase experimental and G2 theoretical study, J. Phys. Chem., 1995, 99, 7, 2002, https://doi.org/10.1021/j100007a034 . [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]

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]

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]


Notes

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