Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

Ethene, 1,1-difluoro-

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.


Gas phase thermochemistry data

Go To: Top, Reaction thermochemistry 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Deltafgas-344. ± 10.kJ/molCcbKolesov, Martynov, et al., 1962Reanalyzed by Cox and Pilcher, 1970, Original value = -333. ± 10. kJ/mol
Deltafgas-325. ± 3.kJ/molCcrNeugebauer and Margrave, 1957 
Deltafgas-334.0 ± 0.84kJ/molCcbNeugebauer and Margrave, 1956Reanalyzed by Cox and Pilcher, 1970, Original value = -324. ± 3. kJ/mol
Quantity Value Units Method Reference Comment
Deltacgas-1087. ± 10.kJ/molCcbKolesov, Martynov, et al., 1962 
Deltacgas-1097. ± 3.kJ/molCcbNeugebauer and Margrave, 1956 

Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry 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: 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
Deltar112. ± 21.kJ/molTherSullivan and Beauchamp, 1976gas phase; From CH3CF3

References

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, 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]

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, Reaction thermochemistry data, References