Ethane, 1,1,2,2-tetrafluoro-1,2-dinitro-

Formula: C₂F₄N₂O₄
Molecular weight: 192.0260
IUPAC Standard InChI: InChI=1S/C2F4N2O4/c3-1(4,7(9)10)2(5,6)8(11)12
IUPAC Standard InChIKey: NELYAMNMZQGYAJ-UHFFFAOYSA-N
CAS Registry Number: 356-16-1
Chemical structure:
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Other data available:
- Gas phase thermochemistry data
- Mass spectrum (electron ionization)
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Condensed phase thermochemistry data

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Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity	Value	Units	Method	Reference	Comment
Δ_fH°_liquid	-210.3 ± 0.6	kcal/mol	Ccb	Pepekin, Lebedev, et al., 1973	hf_HF.30H2O=-77.01 kcal/mol and hf_CF4=-223.0 kcal/mol
Quantity	Value	Units	Method	Reference	Comment
Δ_cH°_liquid	-143.8 ± 0.4	kcal/mol	Ccb	Pepekin, Lebedev, et al., 1973	hf_HF.30H2O=-77.01 kcal/mol and hf_CF4=-223.0 kcal/mol

Phase change data

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Data compiled as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos

Quantity	Value	Units	Method	Reference	Comment
T_boil	331.7	K	N/A	Weast and Grasselli, 1989	BS
Quantity	Value	Units	Method	Reference	Comment
Δ_vapH°	16.2 ± 0.2	kcal/mol	V	Pepekin, Lebedev, et al., 1973	hf_HF.30H2O=-77.01 kcal/mol and hf_CF4=-223.0 kcal/mol; ALS

Enthalpy of vaporization

Δ_vapH (kcal/mol)	Temperature (K)	Method	Reference	Comment
8.29	274.	A,I	Stephenson and Malanowski, 1987	Based on data from 259. to 333. K. See also Frazer and Sanborn, 1957.; AC
16.2	323.	N/A	Pepekin, Lebedev, et al., 1973, 2	Based on data from 303. to 343. K.; AC

References

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Pepekin, Lebedev, et al., 1973
Pepekin, V.I.; Lebedev, Yu.A.; Apin, A.Ya., Dissociation energies of C-F and C-C bonds in α-fluoronitro derivatives of methane and ethane, Dokl. Akad. Nauk SSSR, 1973, 208, 153-155. [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]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Frazer and Sanborn, 1957
Frazer, J.W.; Sanborn, R.H., , U.S. Atomic Energy Commission Report No. UCRL-4978, 1957, 1. [all data]

Pepekin, Lebedev, et al., 1973, 2
Pepekin, V.I.; Lebedev, Y.A.; Apin, A.Y., Dokl. Phys. Chem., 1973, 208, 35. [all data]

Notes

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Symbols used in this document:

T_boil	Boiling point
Δ_cH°_liquid	Enthalpy of combustion of liquid at standard conditions
Δ_fH°_liquid	Enthalpy of formation of liquid at standard conditions
Δ_vapH	Enthalpy of vaporization
Δ_vapH°	Enthalpy of vaporization at standard conditions

Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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