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Ethene, 1,1-difluoro-

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Gas phase 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Deltafgas-82.2 ± 2.4kcal/molCcbKolesov, Martynov, et al., 1962Reanalyzed by Cox and Pilcher, 1970, Original value = -79.6 ± 2.4 kcal/mol
Deltafgas-77.7 ± 0.8kcal/molCcrNeugebauer and Margrave, 1957 
Deltafgas-79.83 ± 0.20kcal/molCcbNeugebauer and Margrave, 1956Reanalyzed by Cox and Pilcher, 1970, Original value = -77.5 ± 0.8 kcal/mol
Quantity Value Units Method Reference Comment
Deltacgas-259.8 ± 2.4kcal/molCcbKolesov, Martynov, et al., 1962 
Deltacgas-262.2 ± 0.8kcal/molCcbNeugebauer and Margrave, 1956 

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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny, director
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil190.KN/APCR Inc., 1990BS
Tboil190.2KN/AWeast and Grasselli, 1989BS
Quantity Value Units Method Reference Comment
Tc302.74KN/ATsiklis and Prokhorov, 1967TRC
Tc303.25KN/AMears, Stahl, et al., 1955Uncertainty assigned by TRC = 0.7 K; by sealed tube method; TRC
Quantity Value Units Method Reference Comment
Pc43.7534atmN/AMears, Stahl, et al., 1955Uncertainty assigned by TRC = 1.0888 atm; from vapor pressure equation at Tc; TRC
Quantity Value Units Method Reference Comment
rhoc6.40mol/lN/ATsiklis and Prokhorov, 1967Vis in pVT apparatus, Khodeeva and Lebedeva Russ. J. Phys. Chem. 1966, 40, 1668.; TRC
rhoc6.51mol/lN/AMears, Stahl, et al., 1955Uncertainty assigned by TRC = 0.23 mol/l; rectilinear diameters; TRC

Enthalpy of vaporization

DeltavapH (kcal/mol) Temperature (K) Method Reference Comment
3.15233.BGMears, Stahl, et al., 1955, 2AC
2.3273.BGMears, Stahl, et al., 1955, 2AC

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

Go To: Top, Gas phase thermochemistry data, Phase change data, IR Spectrum, 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 by: John E. Bartmess

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 + Ethene, 1,1-difluoro- = (Fluorine anion bullet Ethene, 1,1-difluoro-)

By formula: F- + C2H2F2 = (F- bullet C2H2F2)

Quantity Value Units Method Reference Comment
Deltar26.7 ± 5.0kcal/molTherSullivan and Beauchamp, 1976gas phase; From CH3CF3

IR Spectrum

Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), References, Notes

Data compiled by: Coblentz Society, Inc.

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director


Mass spectrum (electron ionization)

Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, 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.
NIST MS number 19017

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References

Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, 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.

Kolesov, Martynov, et al., 1962
Kolesov, V.P.; Martynov, A.M.; Shtekher, S.M.; Skuratov, S.M., Standard enthalpies of formation of 1,1-difluoroethylene and of trifluoroethylene, Russ. J. Phys. Chem. (Engl. Transl.), 1962, 36, 1118-1120. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Neugebauer and Margrave, 1957
Neugebauer, C.A.; Margrave, J.L., Heats of formation of the fluoromethanes and fluoroethylenes, Tech. Rept., 1957, 1-45. [all data]

Neugebauer and Margrave, 1956
Neugebauer, C.A.; Margrave, J.L., The heats of formation of tetrafluoroethylene, tetrafluoromethane and 1,1-difluoroethylene, J. Phys. Chem., 1956, 60, 1318-1321. [all data]

PCR Inc., 1990
PCR Inc., Research Chemicals Catalog 1990-1991, PCR Inc., Gainesville, FL, 1990, 1. [all data]

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]

Tsiklis and Prokhorov, 1967
Tsiklis, D.S.; Prokhorov, V.M., Phase equilibria in systems containing fluorine compounds, Zh. Fiz. Khim., 1967, 41, 2195-9. [all data]

Mears, Stahl, et al., 1955
Mears, W.H.; Stahl, R.F.; Orfeo, S.R.; Shair, R.C.; Kells, L.F.; Thompson, W.; McCann, H., Thermodynamic Properties of Halogenated Ethanes and Ethylenes, Ind. Eng. Chem., 1955, 47, 1449. [all data]

Mears, Stahl, et al., 1955, 2
Mears, Whitney H.; Stahl, Richard F.; Orfeo, S. Robert; Shair, Robert C.; Kells, Lyman F.; Thompson, Walter; McCann, Harold, Thermodynamic Properties of Halogenated Ethanes and Ethylenes, Ind. Eng. Chem., 1955, 47, 7, 1449-1454, https://doi.org/10.1021/ie50547a052 . [all data]

Sullivan and Beauchamp, 1976
Sullivan, S.A.; Beauchamp, J.L., Competition between proton transfer and elimination in the reactions of strong bases with fluoroethanes in the gas phase. Influence of base strength on reactivity, J. Am. Chem. Soc., 1976, 98, 1160. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), References