Ethane, 1,2-dichloro-1,1,2,2-tetrafluoro-

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, Gas phase ion energetics data, 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas-937.0 ± 7.3kJ/molCcrErastov and Kolesov, 1986Correction of Papina and Kolesov, 1982
Δfgas-930. ± 10.kJ/molCmKirkbride and Davidson, 1954Reanalyzed by Kolesov and Papina, 1983, Original value = -890. ± 10. kJ/mol; Von Wartenberg method

Gas phase ion energetics data

Go To: Top, Gas phase thermochemistry data, 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 as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

IE (eV) Method Reference Comment
12.47PEChau and McDowell, 1976Vertical value; LLK
12.85PEDoucet, Sauvageau, et al., 1975Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
CF2Cl+12.33?EILeyland, Majer, et al., 1970RDSH

Mass spectrum (electron ionization)

Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics 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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.

Mass spectrum
For Zoom
1.) Enter the desired X axis range (e.g., 100, 200)
2.) Check here for automatic Y scaling
3.) Press here to zoom

Additional Data

View image of digitized spectrum (can be printed in landscape orientation).

Due to licensing restrictions, this spectrum cannot be downloaded.

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 6721

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


References

Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, 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.

Erastov and Kolesov, 1986
Erastov, P.A.; Kolesov, V.P., The energy of combustion of liquid 1,2-dichlorotetrafluoroethane, Thermochim. Acta, 1986, 109, 175-180. [all data]

Papina and Kolesov, 1982
Papina, T.S.; Kolesov, V.P., Standard enthalpy of formation of 1,2-dichlorotetrafluoroethane, Petro. Chem. USSR, 1982, 56, 675-677, In original 1108. [all data]

Kirkbride and Davidson, 1954
Kirkbride, F.W.; Davidson, F.G., Heats of formation of gaseous fluoro- and fluorochloro-carbons, Nature (London), 1954, 174, 79-80. [all data]

Kolesov and Papina, 1983
Kolesov, V.P.; Papina, T.S., Thermochemistry of Haloethanes, Russ. Chem. Rev., 1983, 52, 425. [all data]

Chau and McDowell, 1976
Chau, F.T.; McDowell, C.A., Photoelectron spectra of 1,2-dibromo-1,1-difluoroethane, 1,2-bromochloroethane, and 1,2-dichloro-, 1,2-dibromo-, and 1,2-diiodotetrafluoroethane, J. Phys. Chem., 1976, 80, 2923. [all data]

Doucet, Sauvageau, et al., 1975
Doucet, J.; Sauvageau, P.; Sandorfy, C., Photoelectron far-ultraviolet absorption spectra of chlorofluoro derivatives of ethane, J. Chem. Phys., 1975, 62, 355. [all data]

Leyland, Majer, et al., 1970
Leyland, L.M.; Majer, J.R.; Robb, J.C., Heat of formation of the CF2Cl. radical, J. Chem. Soc. Faraday Trans., 1970, 66, 898. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), References