Ethanol, 2-methoxy-

• Formula: C₃H₈O₂
• Molecular weight: 76.0944
• IUPAC Standard InChI: InChI=1S/C3H8O2/c1-5-3-2-4/h4H,2-3H2,1H3 Copy

  
• IUPAC Standard InChIKey: XNWFRZJHXBZDAG-UHFFFAOYSA-N Copy
• CAS Registry Number: 109-86-4
• 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:
  • methoxyethanol
• Other names: β-Methoxyethanol; Dowanol EM; Ethylene glycol monomethyl ether; Methoxyethanol; Methyl cellosolve; Monomethyl glycol; MECS; Poly-Solv EM; 1-Hydroxy-2-methoxyethane; 2-Methoxy-1-ethanol; 2-Methoxyethanol; HOCH2CH2OCH3; 2-Hydroxyethyl methyl ether; Aethylenglykol-monomethylaether; Ether monomethylique de l'ethylene-glycol; Ethylene glycol methyl ether; Glycol monomethyl ether; Glycolmethyl ether; Methoxyhydroxyethane; Methyl glycol; Methyl oxitol; Methylglykol; Metil cellosolve; Metoksyetylowy alkohol; Monomethyl ether of ethylene glycol; 2-Methoxy-aethanol; 2-Metossietanolo; EGME; Glycol ether EM; Jeffersol EM; Methylcelosolv; Methyl ethoxol; Prist; UN 1188; Methoxyethylene glycol; Ektasolve EM; 2-Methoxyethyl alcohol; Methyl icinol; 3-Oxa-1-butanol; Amsco-Solv EE; Monoethylene glycol methyl ether; NSC 1258; EGM; 2-methoxyethanol (methyl cellosolve)
• Information on this page:
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • Henry's Law data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • Gas Chromatography
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
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Gas phase ion energetics 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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias

Data compiled as indicated in comments:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard

Ionization energy determinations

Appearance energy determinations

De-protonation reactions

C₃H₇O₂^- +  =

By formula: C₃H₇O₂^- + H⁺ = C₃H₈O₂

References

Go To: Top, Gas phase ion energetics data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Kimura, Katsumata, et al., 1981
Kimura, K.; Katsumata, S.; Achiba, Y.; Yamazaki, T.; Iwata, S., Ionization energies, Ab initio assignments, and valence electronic structure for 200 molecules in Handbook of HeI Photoelectron Spectra of Fundamental Organic Compounds, Japan Scientific Soc. Press, Tokyo, 1981. [all data]

Lossing, 1977
Lossing, F.P., Heats of formation of some isomeric [C_nH_2n+1]⁺ ions. Substitutional effects on ion stability, J. Am. Chem. Soc., 1977, 99, 7526. [all data]

Burgers, Holmes, et al., 1983
Burgers, P.C.; Holmes, J.L.; Szulejko, J.E.; Mommers, A.A.; Terlouw, J.K., The gas phase ion chemistry of the acetyl cation and isomeric [C₂H₃O]⁺ ions. On the structure of the [C₂H₃O]⁺ daughter ions generated from the enol of acetone radical cation, Org. Mass Spectrom., 1983, 18, 254. [all data]

Holmes, Lossing, et al., 1982
Holmes, J.L.; Lossing, F.P.; Terlouw, J.K.; Burgers, P.C., The radical cation [CH₂OH₂]⁺ and related stable gas phase ion-dipole complexes, J. Am. Chem. Soc., 1982, 104, 2931. [all data]

Holmes and Lossing, 1984
Holmes, J.L.; Lossing, F.P., Heats of formation of organic radicals from appearance energies, Int. J. Mass Spectrom. Ion Processes, 1984, 58, 113. [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]

Notes

Go To: Top, Gas phase ion energetics data, References

• Symbols used in this document:
  

  AE	Appearance energy
  ΔrG°	Free energy of reaction at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions

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