Ethane, nitro-
- Formula: C2H5NO2
- Molecular weight: 75.0666
- IUPAC Standard InChIKey: MCSAJNNLRCFZED-UHFFFAOYSA-N
- CAS Registry Number: 79-24-3
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Nitroethane; C2H5NO2; Nitroetan; UN 2842; NE; Nitroparaffin
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Condensed phase thermochemistry data
Go To: Top, Phase change 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°liquid | -34.4 ± 0.1 | kcal/mol | Ccb | Lebedeva and Ryadenko, 1973 | ALS |
ΔfH°liquid | -34.32 ± 0.26 | kcal/mol | Ccb | Cass, Fletcher, et al., 1958 | Reanalyzed by Cox and Pilcher, 1970, Original value = -32.3 ± 0.3 kcal/mol; ALS |
ΔfH°liquid | -33.48 ± 0.31 | kcal/mol | Ccb | Holcomb and Dorsey, 1949 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -324.5 ± 0.1 | kcal/mol | Ccb | Lebedeva and Ryadenko, 1973 | ALS |
ΔcH°liquid | -324.57 ± 0.25 | kcal/mol | Ccb | Cass, Fletcher, et al., 1958 | Reanalyzed by Cox and Pilcher, 1970, Original value = -326.6 ± 0.3 kcal/mol; ALS |
ΔcH°liquid | -325.42 ± 0.30 | kcal/mol | Ccb | Holcomb and Dorsey, 1949 | ALS |
Constant pressure heat capacity of liquid
Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
32.079 | 298.15 | Liu and Ziegler, 1966 | T = 80 to 300 K.; DH |
Phase change data
Go To: Top, Condensed 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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 387.6 ± 0.8 | K | AVG | N/A | Average of 6 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 183.63 | K | N/A | Toops, 1956 | Uncertainty assigned by TRC = 0.05 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 183.69 | K | N/A | Liu and Ziegler, 1966 | Uncertainty assigned by TRC = 0.04 K; based on analysis of melting curve; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 9.94 ± 0.10 | kcal/mol | V | Holcomb and Dorsey, 1949 | ALS |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
9.23 | 339. | EB | Stephenson and Malanowski, 1987 | Based on data from 324. to 388. K. See also Toops, 1956, 2 and Dykyj, 1970.; AC |
9.87 | 267. | N/A | Stull, 1947 | Based on data from 252. to 387. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
390.0 to 459. | 1.74100 | 207.774 | -269.20 | Tolstova, Kogan, et al., 1965 | Coefficents calculated by NIST from author's data. |
252. to 387. | 4.70696 | 1671.266 | -31.963 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
2.355 | 183.69 | Liu and Ziegler, 1966 | DH |
2.35 | 183.7 | Domalski and Hearing, 1996 | AC |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
12.82 | 183.69 | Liu and Ziegler, 1966 | DH |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Lebedeva and Ryadenko, 1973
Lebedeva, N.D.; Ryadenko, V.L.R.,
Enthalpies of formation of nitroalkanes,
Russ. J. Phys. Chem. (Engl. Transl.), 1973, 47, 1382. [all data]
Cass, Fletcher, et al., 1958
Cass, R.C.; Fletcher, S.E.; Mortimer, C.T.; Quincey, P.G.; Springall, H.D.,
Heats of combustion and molecular structure. Part IV. Aliphatic nitroalkanes and nitric esters,
J. Chem. Soc., 1958, 958-962. [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]
Holcomb and Dorsey, 1949
Holcomb, D.E.; Dorsey, C.L., Jr.,
Thermodynamic properties of nitroparaffins,
Ind. Eng. Chem., 1949, 41, 2788-2792. [all data]
Liu and Ziegler, 1966
Liu, K.F.; Ziegler, W.T.,
Heat capacity from 80° to 300°K., melting point and heat of fusion of nitroethane,
J. Chem. Eng. Data, 1966, 11, 187-189. [all data]
Toops, 1956
Toops, E.E.,
Physical Properties of High Purity Nitroparaffins,
J. Phys. Chem., 1956, 60, 304-6. [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]
Toops, 1956, 2
Toops, Emory E.,
Physical Properties of Eight High-Purity Nitroparaffins,
J. Phys. Chem., 1956, 60, 3, 304-306, https://doi.org/10.1021/j150537a012
. [all data]
Dykyj, 1970
Dykyj, J.,
Petrochemica, 1970, 10, 2, 51. [all data]
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
Tolstova, Kogan, et al., 1965
Tolstova, T.S.; Kogan, V.B.; Skorokhodova, V.L.,
Equilibrium Liquid-Steam in Systems Nitrobensol-Nitromethane, Nitrobensol-Nitroethane,
Zh. Prikl. Khim. (Leningrad), 1965, 38, 11, 2617-2618. [all data]
Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D.,
Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III,
J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985
. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid Tboil Boiling point Tfus Fusion (melting) point Ttriple Triple point temperature ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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