Ethane

• Formula: C₂H₆
• Molecular weight: 30.0690
• IUPAC Standard InChI: InChI=1S/C2H6/c1-2/h1-2H3 Copy

  
• IUPAC Standard InChIKey: OTMSDBZUPAUEDD-UHFFFAOYSA-N Copy
• CAS Registry Number: 74-84-0
• 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.
• Species with the same structure:
  • 1-Ethenyl-1-methyl-2,4-bis-(1-methylethenyl)-1S-1α,2β,4α-cyclohexane
• Isotopologues:
  • pentadeuteroethane
  • Ethane-d1
• Other names: Bimethyl; Dimethyl; Ethyl hydride; Methylmethane; C2H6; UN 1035; UN 1961
• Information on this page:
  • Reaction thermochemistry data
  • Mass spectrum (electron ionization)
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • Henry's Law data
  • Gas phase ion energetics data
  • Ion clustering data
  • IR Spectrum
  • Vibrational and/or electronic energy levels
  • Fluid Properties
• Data at other public NIST sites:
  • Microwave spectra (on physics lab web site)
  • Electron-Impact Ionization Cross Sections (on physics web site)
  • Gas Phase Kinetics Database
  • Reference simulation
• Options:
  • Switch to SI units

Data at NIST subscription sites:

• NIST / TRC Web Thermo Tables, "lite" edition (thermophysical and thermochemical data)
• NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)

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Reaction thermochemistry data

Go To: Top, 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:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
MS - José A. Martinho Simões
B - John E. Bartmess
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
RCD - Robert C. Dunbar

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

 +  = ( • )

By formula: Co⁺ + C₂H₆ = (Co⁺ • C₂H₆)

Enthalpy of reaction

( • ) +  = ( •  • )

By formula: (Co⁺ • CH₄) + C₂H₆ = (Co⁺ • C₂H₆ • CH₄)

Enthalpy of reaction

3 (g) +  (l) = AlH₃O₃ (amorphous) + 3 (g)

By formula: 3H₂O (g) + C₆H₁₅Al (l) = AlH₃O₃ (amorphous) + 3C₂H₆ (g)

C₂H₅^- +  =

By formula: C₂H₅^- + H⁺ = C₂H₆

( • ) +  = ( •  • )

By formula: (Co⁺ • C₂H₆) + CH₄ = (Co⁺ • CH₄ • C₂H₆)

Enthalpy of reaction

 (g) +  (cr) =  (g) +  (cr)

By formula: HBr (g) + C₂H₅Li (cr) = C₂H₆ (g) + BrLi (cr)

C₅O₅W (g) +  (g) = C₇H₆O₅W (g)

By formula: C₅O₅W (g) + C₂H₆ (g) = C₇H₆O₅W (g)

 +  = ( • )

By formula: Fe⁺ + C₂H₆ = (Fe⁺ • C₂H₆)

Enthalpy of reaction

 + 2 =  + 2

By formula: C₂H₄Cl₂ + 2H₂ = C₂H₆ + 2HCl

2 +  =  + 2

By formula: 2H₂ + C₂H₄Cl₂ = C₂H₆ + 2HCl

2 +  =

By formula: 2H₂ + C₂H₂ = C₂H₆

 (l) + ( • 100) (solution) = 2 (g) + ( • 100) (solution)

By formula: C₄H₁₀Zn (l) + (H₂O₄S • 100H₂O) (solution) = 2C₂H₆ (g) + (O₄SZn • 100H₂O) (solution)

 +  =

By formula: H₂ + C₂H₄ = C₂H₆

2 (g) +  (l) = AlCl₃ (cr) + 2 (g)

By formula: 2HCl (g) + C₄H₁₀AlCl (l) = AlCl₃ (cr) + 2C₂H₆ (g)

C₂H₄⁺ +  = (C₂H₄⁺ • )

By formula: C₂H₄⁺ + C₂H₆ = (C₂H₄⁺ • C₂H₆)

2 +  =  + 

By formula: 2H₂ + C₂H₃Cl = C₂H₆ + HCl

 (g) + C₂H₅BrMg (solution) =  (solution) + Br₂Mg (solution)

By formula: HBr (g) + C₂H₅BrMg (solution) = C₂H₆ (solution) + Br₂Mg (solution)

( • 2) +  = ( • 3)

By formula: (Co⁺ • 2C₂H₆) + C₂H₆ = (Co⁺ • 3C₂H₆)

 +  = ( • )

By formula: Al⁺ + C₂H₆ = (Al⁺ • C₂H₆)

2 +  =  + 

By formula: 2H₂ + C₂H₃Br = HBr + C₂H₆

 + 2 = 2 + 

By formula: H₂ + 2C₂H₅I = 2C₂H₆ + I₂

 +  =  + 

By formula: H₂ + C₂H₅Br = HBr + C₂H₆

 + 2 = 2 + 

By formula: H₂ + 2C₂H₅Br = 2C₂H₆ + Br₂

 +  =  + 

By formula: H₂ + C₂H₅Cl = C₂H₆ + HCl

 +  = ( • )

By formula: Ni⁺ + C₂H₆ = (Ni⁺ • C₂H₆)

Mass spectrum (electron ionization)

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

Spectrum

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Additional Data

References

Go To: Top, Reaction thermochemistry 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.

Kemper, Bushnell, et al., 1993
Kemper, P.R.; Bushnell, J.; Von Koppen, P.; Bowers, M.T., Binding Energies of Co+(H2/CH4/C2H6)1,2,3 Clusters, J. Phys. Chem., 1993, 97, 9, 1810, https://doi.org/10.1021/j100111a016 . [all data]

Armentrout and Kickel, 1994
Armentrout, P.B.; Kickel, B.L., Gas Phase Thermochemistry of Transition Metal Ligand Systems: Reassessment of Values and Periodic Trends, in Organometallic Ion Chemistry, B. S. Freiser, ed, 1994. [all data]

Fowell, 1961
Fowell, P.A., Ph. D. Thesis, University of Manchester, 1961. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds in Academic Press, New York, 1970. [all data]

Smith, 1967
Smith, M.B., J. Phys. Chem., 1967, 71, 364. [all data]

DePuy, Gronert, et al., 1989
DePuy, C.H.; Gronert, S.; Barlow, S.E.; Bierbaum, V.M.; Damrauer, R., The Gas Phase Acidities of the Alkanes, J. Am. Chem. Soc., 1989, 111, 6, 1968, https://doi.org/10.1021/ja00188a003 . [all data]

DePuy, Bierbaum, et al., 1984
DePuy, C.H.; Bierbaum, V.M.; Damrauer, R., Relative Gas-Phase Acidities of the Alkanes, J. Am. Chem. Soc., 1984, 106, 4051. [all data]

Holm, 1974
Holm, T., J. Organometal. Chem., 1974, 77, 27. [all data]

Pedley and Rylance, 1977
Pedley, J.B.; Rylance, J., Computer Analysed Thermochemical Data: Organic and Organometallic Compounds, University of Sussex, Brigton, 1977. [all data]

Liebman, Martinho Simões, et al., 1995
Liebman, J.F.; Martinho Simões, J.A.; Slayden, S.W., In Lithium Chemistry: A Theoretical and Experimental Overview Wiley: New York, Sapse, A.-M.; Schleyer, P. von Ragué, ed(s)., 1995. [all data]

Brown, Ishikawa, et al., 1990
Brown, C.E.; Ishikawa, Y.; Hackett, P.A.; Rayner, D.M., J. Am. Chem. Soc., 1990, 112, 2530. [all data]

Ishikawa, Brown, et al., 1988
Ishikawa, Y.; Brown, C.E.; Hackett, P.A.; Rayner, D.M., Chem. Phys. Lett., 1988, 150, 506. [all data]

Carpenter, van Koppen, et al., 1995
Carpenter, C.J.; van Koppen, P.A.M.; Bowers, M.T., Details of Potential Energy Surfaces Involving C-C Bond Activation: Reactions of Fe+, Co+ and Ni+ with Acetone, J. Am. Chem. Soc., 1995, 117, 44, 10976, https://doi.org/10.1021/ja00149a021 . [all data]

Lacher, Amador, et al., 1967
Lacher, J.R.; Amador, A.; Park, J.D., Reaction heats of organic compounds. Part 5.-Heats of hydrogenation of dichloromethane, 1,1- and 1,2-dichloroethane and 1,2-dichloropropane, Trans. Faraday Soc., 1967, 63, 1608-1611. [all data]

Cox and Pilcher, 1970, 2
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Conn, Kistiakowsky, et al., 1939
Conn, J.B.; Kistiakowsky, G.B.; Smith, E.A., Heats of organic reactions. VIII. Some further hydrogenations, including those of some acetylenes, J. Am. Chem. Soc., 1939, 61, 1868-1876. [all data]

Carson, Hartley, et al., 1949
Carson, A.S.; Hartley, K.; Skinner, H.A., Thermochemistry of metal alkyls. Part II.?The bond dissociation energies of some Zn?C and Cd?C bonds, and of Et?I., Trans. Faraday Soc., 1949, 45, 1159, https://doi.org/10.1039/tf9494501159 . [all data]

Kistiakowsky and Nickle, 1951
Kistiakowsky, G.B.; Nickle, A.G., Ethane-ethylene and propane-propylene equilibria, Faraday Discuss. Chem. Soc., 1951, 10, 175-187. [all data]

Kistiakowsky, Romeyn, et al., 1935
Kistiakowsky, G.B.; Romeyn, H., Jr.; Ruhoff, J.R.; Smith, H.A.; Vaughan, W.E., Heats of organic reactions. I. The apparatus and the heat of hydrogenation of ethylene, J. Am. Chem. Soc., 1935, 57, 65-75. [all data]

Shaulov and Shmyreva, 1968
Shaulov, Yu.Kh.; Shmyreva, G.O., Russ. J. Phys. Chem., 1968, 42, 1008. [all data]

Hiraoka and Kebarle, 1980
Hiraoka, K.; Kebarle, P., Ion Molecule Reactions in Ethane. Thermochemistry and Structures of the Intermediate Complexes: C4H11+ and C4H10+ Formed in the Reactions of C2H5+ and C2H4+ with C2H6, Can. J. Chem., 1980, 58, 21, 2262, https://doi.org/10.1139/v80-364 . [all data]

Lacher, Emery, et al., 1956
Lacher, J.R.; Emery, E.; Bohmfalk, E.; Park, J.D., Reaction heats of organic compounds. IV. A high temperature calorimeter and the hydrogenation of methyl ethyl and vinyl chlorides, J. Phys. Chem., 1956, 60, 492-495. [all data]

Lacher, Kianpour, et al., 1956
Lacher, J.R.; Kianpour, A.; Oetting, F.; Park, J.D., Reaction calorimetry. The hydrogenation of organic fluorides and chlorides, Trans. Faraday Soc., 1956, 52, 1500-1508. [all data]

Holm, 1981
Holm, T., J. Chem. Soc., Perkin Trans. II, 1981, 464.. [all data]

Stockigt, Schwarz, et al., 1996
Stockigt, D.; Schwarz, J.; Schwarz, H., Theoretical and Experimental Studies on the Bond Dissociation Energies of Al(methane)+, Al(acetylene)+, Al(ethene)+, and Al(ethane)+, J. Phys. Chem., 1996, 100, 21, 8786, https://doi.org/10.1021/jp960060k . [all data]

Lacher, Kianpour, et al., 1957
Lacher, J.R.; Kianpour, A.; Montgomery, P.; Knedler, H.; Park, J.D., Reaction heats of organic halogen compounds. IX. The catalytic hydrogenation of vinyl and perfluorovinyl bromide, J. Phys. Chem., 1957, 61, 1125-1126. [all data]

Ashcroft, Carson, et al., 1965
Ashcroft, S.J.; Carson, A.S.; Carter, W.; Laye, P.G., Thermochemistry of reductions caused by lithium aluminium hydride. Part 3.- The C-halogen bond dissociation energies in ethyl iodine and ethyl bromide, Trans. Faraday Soc., 1965, 61, 225-229. [all data]

Fowell, Lacher, et al., 1965
Fowell, P.; Lacher, J.R.; Park, J.D., Reaction heats of organic compounds. Part 3.-Heats of hydrogenation of methyl bromide and ethyl bromide, Trans. Faraday Soc., 1965, 61, 1324-1327. [all data]

Notes

Go To: Top, Reaction thermochemistry data, Mass spectrum (electron ionization), References

• Symbols used in this document:
  

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

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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