Ethylene ion

• Formula: C₂H₄⁺
• Molecular weight: 28.0526
• CAS Registry Number: 34470-02-5
• Information on this page:
  • Reaction thermochemistry data
  • Vibrational and/or electronic energy levels
  • References
  • Notes
• Other data available:
  • Ion clustering data
• Data at other public NIST sites:
  • Electron-Impact Ionization Cross Sections (on physics web site)
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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 by: 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

C₂H₄⁺ +  = (C₂H₄⁺ • )

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

C₂H₄⁺ +  = (C₂H₄⁺ • )

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

(C₂H₄⁺ • ) +  = (C₂H₄⁺ • 2)

By formula: (C₂H₄⁺ • C₂H₄) + C₂H₄ = (C₂H₄⁺ • 2C₂H₄)

Vibrational and/or electronic energy levels

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: Marilyn E. Jacox

State:   D

State:   C

State:   B

State:   A

State:   X

Additional references: Jacox, 1994, page 307; Stockbauer and Inghram, 1975; Somasundram and Handy, 1986; Wang, Pollard, et al., 1987

Notes

References

Go To: Top, Reaction thermochemistry data, Vibrational and/or electronic energy levels, Notes

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

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]

Ono, Linn, et al., 1984
Ono, Y.; Linn, S.H.; Tzeng, W.-B.; Ng, C.Y., A Study of the Unimolecular Decomposition of the (C2H4)2+ Complex, J. Chem. Phys., 1984, 80, 4, 1482, https://doi.org/10.1063/1.446897 . [all data]

Ceyer, Tiedemann, et al., 1979
Ceyer, S.T.; Tiedemann, P.W.; Ng, C.Y.; Mahan, B.H.; Lee, Y.T., Photoionization of Ethylene Clusters, J. Chem. Phys., 1979, 70, 5, 2138, https://doi.org/10.1063/1.437758 . [all data]

Baker, Baker, et al., 1968
Baker, A.D.; Baker, C.; Brundle, C.R.; Turner, D.W., The electronic structures of methane, ethane, ethylene and formaldehyde studied by high-resolution molecular photoelectron spectroscopy, Intern. J. Mass Spectrom. Ion Phys., 1968, 1, 285. [all data]

Branton, Frost, et al., 1970
Branton, G.R.; Frost, D.C.; Makita, T.; McDowell, C.A.; Stenhouse, I.A., Photoelectron spectra of ethylene and ethylene-d₄, J. Chem. Phys., 1970, 52, 802. [all data]

Brundle and Brown, 1971
Brundle, C.R.; Brown, D.B., The vibrational structure in the photoelectron spectra of ethylene and ethylene-d₄, and its relationship to the vibrational spectrum of Zeise's salt K[PtCl₃(C₂H₄)]H₂O, Spectrochim. Acta, 1971, 27A, 2491. [all data]

Pollard, Trevor, et al., 1984
Pollard, J.E.; Trevor, D.J.; Reutt, J.E.; Lee, Y.T.; Shirley, D.A., Torsional potential and intramolecular dynamics in the C₂H₄⁺ photoelectron spectra, J. Chem. Phys., 1984, 81, 5302. [all data]

Dehmer and Dehmer, 1979
Dehmer, P.M.; Dehmer, J.L., Photoelectron spectroscopy using a supersonic molecular beam source. The 2B3u+e-←1Ag transition in ethylene, J. Chem. Phys., 1979, 70, 10, 4574, https://doi.org/10.1063/1.437280 . [all data]

Willitsch, Hollenstein, et al., 2004
Willitsch, S.; Hollenstein, U.; Merkt, F., Ionization from a double bond: Rovibronic photoionization dynamics of ethylene, large amplitude torsional motion and vibronic coupling in the ground state of C[sub 2]H[sub 4][sup +], J. Chem. Phys., 2004, 120, 4, 1761, https://doi.org/10.1063/1.1635815 . [all data]

Xing, Bahng, et al., 2006
Xing, X.; Bahng, M.-K.; Wang, P.; Lau, K.-C.; Baek, S.J.; Ng, C.Y., Rovibrationally selected and resolved state-to-state photoionization of ethylene using the infrared-vacuum ultraviolet pulsed field ionization-photoelectron method, J. Chem. Phys., 2006, 125, 13, 133304, https://doi.org/10.1063/1.2213261 . [all data]

Xing, Reed, et al., 2008
Xing, X.; Reed, B.; Bahng, M.-K.; Ng, C.Y., Infrared-Vacuum Ultraviolet Pulsed Field Ionization-Photoelectron Study of C, J. Phys. Chem. A, 2008, 112, 12, 2572, https://doi.org/10.1021/jp711684w . [all data]

Rijkenberg and Buma, 2002
Rijkenberg, R.A.; Buma, W.J., High-Resolution Excited-State Photoelectron Spectroscopy of the Lower Rydberg States of Jet-Cooled C, J. Phys. Chem. A, 2002, 106, 15, 3727, https://doi.org/10.1021/jp013714k . [all data]

Jacox and Thompson, 2011
Jacox, M.E.; Thompson, W.E., The infrared spectra of C2H4+ and C2H3 trapped in solid neon, J. Chem. Phys., 2011, 134, 6, 064321, https://doi.org/10.1063/1.3555626 . [all data]

Jacox, 1994
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules, American Chemical Society, Washington, DC, 1994, 464. [all data]

Stockbauer and Inghram, 1975
Stockbauer, R.; Inghram, M.G., Vibrational structure in the ground state of ethylene ethylene-d4 molecular ions investigated by threshold photoelectron spectroscopy, J. Electron Spectrosc. Relat. Phenom., 1975, 7, 492. [all data]

Somasundram and Handy, 1986
Somasundram, K.; Handy, N.C., On the assignment of the ν2 and ν3 vibrational levels of C2H+4, J. Chem. Phys., 1986, 84, 5, 2899, https://doi.org/10.1063/1.450320 . [all data]

Wang, Pollard, et al., 1987
Wang, L.; Pollard, J.E.; Lee, Y.T.; Shirley, D.A., Molecular beam photoelectron spectroscopy: The C2D4+(X 2B3) ground state, J. Chem. Phys., 1987, 86, 6, 3216, https://doi.org/10.1063/1.451979 . [all data]

Notes

Go To: Top, Reaction thermochemistry data, Vibrational and/or electronic energy levels, References

• Symbols used in this document:
  

  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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