Ethene, methoxy-

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Gas 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 by: Glushko Thermocenter, Russian Academy of Sciences, Moscow

Constant pressure heat capacity of gas

Cp,gas (cal/mol*K) Temperature (K) Reference Comment
19.00298.15Cruickshank F.R., 1969 
19.10300.
23.70400.
27.701500.
31.099600.
36.099800.
39.9001000.
45.6001500.

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
L - Sharon G. Lias

Data compiled as indicated in comments:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

View reactions leading to C3H6O+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)8.95 ± 0.01eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)205.4kcal/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity198.4kcal/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
8.96PEPlanckaert, Doucet, et al., 1974LLK
8.95PEMines and Thompson, 1973LLK
8.93 ± 0.02PIWatanabe, Nakayama, et al., 1962RDSH
9.05PEBock, Wagner, et al., 1974Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C2H3O+11.44CH3EIBernecker and Long, 1961RDSH

De-protonation reactions

C3H5O- + Hydrogen cation = Ethene, methoxy-

By formula: C3H5O- + H+ = C3H6O

Quantity Value Units Method Reference Comment
Δr411. ± 12.kcal/molCIDTGraul and Squires, 1990gas phase; B
Quantity Value Units Method Reference Comment
Δr403. ± 12.kcal/molH-TSGraul and Squires, 1990gas phase; B

Gas Chromatography

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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

Normal alkane RI, non-polar column, custom temperature program

View large format table.

Column type Active phase I Reference Comment
CapillaryMethyl Silicone416.Zenkevich, 1999Program: not specified
CapillaryPolydimethyl siloxanes416.Zenkevich, 1997Program: not specified

References

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

Cruickshank F.R., 1969
Cruickshank F.R., Thermodynamic properties of methyl vinyl ether, alpha-chloroethyl methyl ether, and iodomethyl methyl ether. Evidence for nonbonded electrostatic interactions, J. Am. Chem. Soc., 1969, 91, 2487-2492. [all data]

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]

Planckaert, Doucet, et al., 1974
Planckaert, A.A.; Doucet, J.; Sandorfy, C., Comparative study of the vacuum ultraviolet absorption and photoelectron spectra of some simple ethers and thioethers, J. Chem. Phys., 1974, 60, 4846. [all data]

Mines and Thompson, 1973
Mines, G.W.; Thompson, H.W., Photoelectron spectra of vinyl and allyl halides, Spectrochim. Acta Part A, 1973, 29, 1377. [all data]

Watanabe, Nakayama, et al., 1962
Watanabe, K.; Nakayama, T.; Mottl, J., Ionization potentials of some molecules, J. Quant. Spectry. Radiative Transfer, 1962, 2, 369. [all data]

Bock, Wagner, et al., 1974
Bock, H.; Wagner, G.; Wittel, K.; Sauer, J.; Seebach, D., Photoelektronenspektren und molekuleigenschaften. XXXII. n/π-konjugation in heterosubstituierten athylenen, Chem. Ber., 1974, 107, 1869. [all data]

Bernecker and Long, 1961
Bernecker, R.R.; Long, F., Some organic positive ions and their parent radicals and molecules, J. Phys. Chem., 1961, 65, 1565. [all data]

Graul and Squires, 1990
Graul, S.T.; Squires, R.R., Gas-Phase Acidities Derived from Threshold Energies for Activated Reactions, J. Am. Chem. Soc., 1990, 112, 7, 2517, https://doi.org/10.1021/ja00163a007 . [all data]

Zenkevich, 1999
Zenkevich, I.G., New Application of the Retention Index Concept in Gas and High Performance Liquid Chromatography, Fresenius' J. Anal. Chem., 1999, 365, 4, 305-309, https://doi.org/10.1007/s002160051491 . [all data]

Zenkevich, 1997
Zenkevich, I.G., Influence of the Variations of Dynamics Molecular Parameterts on the Additivity of Chromatigraphic Retention Indices of Products of Organic Reactions Relative to Initial Reagents, Dokl. Akad. Nauk (Rus.), 1997, 353, 5, 625-627. [all data]


Notes

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