Ethane, nitro-

• Formula: C₂H₅NO₂
• Molecular weight: 75.0666
• IUPAC Standard InChI: InChI=1S/C2H5NO2/c1-2-3(4)5/h2H2,1H3 Copy

  
• IUPAC Standard InChIKey: MCSAJNNLRCFZED-UHFFFAOYSA-N Copy
• 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
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • References
  • Notes
• Other data available:
  • Henry's Law data
  • Gas phase ion energetics data
  • Ion clustering data
  • Gas Chromatography
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
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Condensed 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Constant pressure heat capacity of liquid

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
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

Enthalpy of vaporization

Antoine Equation Parameters

log₁₀(P) = A − (B / (T + C))
    P = vapor pressure (bar)
    T = temperature (K)

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Enthalpy of fusion

Entropy of fusion

Reaction 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 as indicated in comments:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias

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

C₂H₄NO₂^- +  =

By formula: C₂H₄NO₂^- + H⁺ = C₂H₅NO₂

CAS Reg. No. 34533-65-8 + 2 = C₆H₁₅N₃O₆^-

By formula: CAS Reg. No. 34533-65-8 + 2C₂H₅NO₂ = C₆H₁₅N₃O₆^-

 +  = C₂H₅N₂O₄^-

By formula: NO₂^- + C₂H₅NO₂ = C₂H₅N₂O₄^-

C₂H₅N₂O₄^- + 2 = C₄H₁₀N₃O₆^-

By formula: C₂H₅N₂O₄^- + 2C₂H₅NO₂ = C₄H₁₀N₃O₆^-

C₄H₁₀N₃O₆^- + 3 = C₆H₁₅N₄O₈^-

By formula: C₄H₁₀N₃O₆^- + 3C₂H₅NO₂ = C₆H₁₅N₄O₈^-

C₆H₁₅N₄O₈^- + 4 = C₈H₂₀N₅O₁₀^-

By formula: C₆H₁₅N₄O₈^- + 4C₂H₅NO₂ = C₈H₂₀N₅O₁₀^-

C₆H₁₅N₃O₆^- + 3 = C₈H₂₀N₄O₈^-

By formula: C₆H₁₅N₃O₆^- + 3C₂H₅NO₂ = C₈H₂₀N₄O₈^-

C₈H₂₀N₄O₈^- + 4 = C₁₀H₂₅N₅O₁₀^-

By formula: C₈H₂₀N₄O₈^- + 4C₂H₅NO₂ = C₁₀H₂₅N₅O₁₀^-

C₄H₁₀N₂O₆^- + 2 = C₆H₁₅N₃O₈^-

By formula: C₄H₁₀N₂O₆^- + 2C₂H₅NO₂ = C₆H₁₅N₃O₈^-

C₆H₁₅N₃O₈^- + 3 = C₈H₂₀N₄O₁₀^-

By formula: C₆H₁₅N₃O₈^- + 3C₂H₅NO₂ = C₈H₂₀N₄O₁₀^-

C₈H₂₀N₄O₁₀^- + 4 = C₁₀H₂₅N₅O₁₂^-

By formula: C₈H₂₀N₄O₁₀^- + 4C₂H₅NO₂ = C₁₀H₂₅N₅O₁₂^-

C₄H₈N₂O₄^- + 2 = C₆H₁₃N₃O₆^-

By formula: C₄H₈N₂O₄^- + 2C₂H₅NO₂ = C₆H₁₃N₃O₆^-

C₄H₉N₂O₄^- + 2 = C₆H₁₄N₃O₆^-

By formula: C₄H₉N₂O₄^- + 2C₂H₅NO₂ = C₆H₁₄N₃O₆^-

C₂H₃NO₂^- +  = C₄H₈N₂O₄^-

By formula: C₂H₃NO₂^- + C₂H₅NO₂ = C₄H₈N₂O₄^-

C₂H₄NO₂^- +  = C₄H₉N₂O₄^-

By formula: C₂H₄NO₂^- + C₂H₅NO₂ = C₄H₉N₂O₄^-

C₂H₆NO₂⁺ +  = (C₂H₆NO₂⁺ • )

By formula: C₂H₆NO₂⁺ + C₂H₅NO₂ = (C₂H₆NO₂⁺ • C₂H₅NO₂)

IR Spectrum

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Data compiled by: Coblentz Society, Inc.

• SOLUTION (10% IN CCl4 FOR 3800-1300, 10.1% IN CS2 FOR 1300-650, AND 10.1% IN CCl4 FOR 650-250 CM^-1) VERSUS SOLVENT; Not specified, most likely a grating or hybrid spectrometer.; DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 cm^-1 resolution

Data compiled by: Tanya L. Myers, Russell G. Tonkyn, Ashley M. Oeck, Tyler O. Danby, John S. Loring, Matthew S. Taubman, Stephen W. Sharpe, Jerome C. Birnbaum, and Timothy J. Johnson

• liquid; Bruker Tensor 27 FTIR; 0.4821395 cm^-1 resolution

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

• gas

Mass spectrum (electron ionization)

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

Spectrum

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Additional Data

References

Go To: Top, Condensed 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.

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]

Bartmess, Scott, et al., 1979
Bartmess, J.E.; Scott, J.A.; McIver, R.T., Jr., The gas phase acidity scale from methanol to phenol, J. Am. Chem. Soc., 1979, 101, 6047. [all data]

Cumming and Kebarle, 1978
Cumming, J.B.; Kebarle, P., Summary of gas phase measurements involving acids AH. Entropy changes in proton transfer reactions involving negative ions. Bond dissociation energies D(A-H) and electron affinities EA(A), Can. J. Chem., 1978, 56, 1. [all data]

Wincel, 2004
Wincel, H., Gas-phase clustering reactions of NO2-, C2H3NO2-, C2H4NO2-C2H5NO2- and C2H5NO4- with C2H5NO2, Int. J. Mass Spectrom., 2004, 232, 2, 185-194, https://doi.org/10.1016/j.ijms.2004.01.003 . [all data]

Meot-Ner, Hunter, et al., 1979
Meot-Ner, (Mautner); Hunter, E.P.; Field, F.H., Ion Thermochemistry of Low Volatility Compounds in the Gas Phase. I. Intrinsic Basicities of Alpha - Amino Acids, J. Am. Chem. Soc., 1979, 101, 3, 686, https://doi.org/10.1021/ja00497a034 . [all data]

Notes

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• 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
  ΔrG°	Free energy of reaction at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions
  ΔrS°	Entropy of reaction at standard conditions
  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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