Ethylene ion
- Formula: C2H4+
- Molecular weight: 28.0526
- CAS Registry Number: 34470-02-5
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Reaction thermochemistry data
Go To: Top, Ion clustering data, Vibrational and/or electronic energy levels, 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: 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
By formula: C2H4+ + C2H6 = (C2H4+ • C2H6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 64.0 | kJ/mol | PHPMS | Hiraoka and Kebarle, 1980 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 88. | J/mol*K | PHPMS | Hiraoka and Kebarle, 1980 | gas phase |
By formula: C2H4+ + C2H4 = (C2H4+ • C2H4)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 66.1 | kJ/mol | PI | Ono, Linn, et al., 1984 | gas phase |
ΔrH° | 76.1 | kJ/mol | PI | Ceyer, Tiedemann, et al., 1979 | gas phase |
By formula: (C2H4+ • C2H4) + C2H4 = (C2H4+ • 2C2H4)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 18. | kJ/mol | PI | Ceyer, Tiedemann, et al., 1979 | gas phase |
Ion clustering data
Go To: Top, Reaction thermochemistry data, Vibrational and/or electronic energy levels, 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: 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. Searches may be limited to ion clustering reactions. A general reaction search form is also available.
Clustering reactions
By formula: C2H4+ + C2H4 = (C2H4+ • C2H4)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 66.1 | kJ/mol | PI | Ono, Linn, et al., 1984 | gas phase |
ΔrH° | 76.1 | kJ/mol | PI | Ceyer, Tiedemann, et al., 1979 | gas phase |
By formula: (C2H4+ • C2H4) + C2H4 = (C2H4+ • 2C2H4)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 18. | kJ/mol | PI | Ceyer, Tiedemann, et al., 1979 | gas phase |
By formula: C2H4+ + C2H6 = (C2H4+ • C2H6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 64.0 | kJ/mol | PHPMS | Hiraoka and Kebarle, 1980 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 88. | J/mol*K | PHPMS | Hiraoka and Kebarle, 1980 | gas phase |
Vibrational and/or electronic energy levels
Go To: Top, Reaction thermochemistry data, Ion clustering 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
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 67300 | gas | Baker, Baker, et al., 1968 | |||||
Branton, Frost, et al., 1970 | |||||||
Brundle and Brown, 1971 | |||||||
State: C
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 42200 ± 350 | gas | Baker, Baker, et al., 1968 | |||||
Branton, Frost, et al., 1970 | |||||||
Brundle and Brown, 1971 | |||||||
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
a | 2 | CC stretch | 1245 ± 20 | gas | PE | Baker, Baker, et al., 1968 Branton, Frost, et al., 1970 Brundle and Brown, 1971 Pollard, Trevor, et al., 1984 | |
State: B
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 31630 ± 200 | gas | Baker, Baker, et al., 1968 | |||||
Branton, Frost, et al., 1970 | |||||||
Brundle and Brown, 1971 | |||||||
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
a | 1 | CH stretch | 1900 ± 100 | gas | PE | Brundle and Brown, 1971 | |
State: A
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 15660 ± 200 | gas | Branton, Frost, et al., 1970 | |||||
Brundle and Brown, 1971 | |||||||
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
a | 1 | CH stretch | 2900 ± 50 | gas | PE | Baker, Baker, et al., 1968 Brundle and Brown, 1971 | |
2 | 1150 ± 100 | gas | PE | Brundle and Brown, 1971 | |||
3 | 800 ± 100 | gas | PE | Baker, Baker, et al., 1968 Brundle and Brown, 1971 | |||
State: X
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
ag | 2 | CC stretch | 1488.3 ± 0.2 | gas | PE TPE | Dehmer and Dehmer, 1979 Pollard, Trevor, et al., 1984 Willitsch, Hollenstein, et al., 2004 Xing, Bahng, et al., 2006 Xing, Reed, et al., 2008 | |
3 | CH2 scissors | 1258.7 ± 0.4 | gas | PE TPE | Dehmer and Dehmer, 1979 Pollard, Trevor, et al., 1984 Willitsch, Hollenstein, et al., 2004 | ||
au | 4 | Torsion | 84.1 ± 0.2 | gas | TPE | Rijkenberg and Buma, 2002 Willitsch, Hollenstein, et al., 2004 Xing, Bahng, et al., 2006 | |
b3u | 7 | CH2 OPLA | 901.3 ± 0.8 | gas | TPE | Willitsch, Hollenstein, et al., 2004 | |
7 | CH2 OPLA | 900.9 | T b | Ne | IR | Jacox and Thompson, 2011 | |
b2g | 8 | 1103 ± 10 | gas | TPE | Xing, Reed, et al., 2008 | ||
b2u | 10 | 813 ± 10 | gas | TPE | Xing, Reed, et al., 2008 | ||
b1u | 11 | CH2 stretch | 2978.7 ± 0.2 | gas | TPE | Xing, Bahng, et al., 2006 | |
11 | CH2 stretch | 3014.4 | Ne | IR | Jacox and Thompson, 2011 | ||
12 | CH2 bend | 1411.7 ± 0.2 | gas | TPE | Xing, Bahng, et al., 2006 Xing, Reed, et al., 2008 | ||
12 | CH2 bend | 1413.8 | Ne | IR | Jacox and Thompson, 2011 | ||
Additional references: Jacox, 1994, page 307; Stockbauer and Inghram, 1975; Somasundram and Handy, 1986; Wang, Pollard, et al., 1987
Notes
T | Tentative assignment or approximate value |
o | Energy separation between the v = 0 levels of the excited and electronic ground states. |
b | Broad |
References
Go To: Top, Reaction thermochemistry data, Ion clustering 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, Ion clustering 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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