Ethyl, positive ion
- Formula: C2H5+
- Molecular weight: 29.0606
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Reaction thermochemistry data
Go To: Top, 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
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Individual Reactions
By formula: C2H5+ + CH4 = (C2H5+ • CH4)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 5.50 | kcal/mol | PHPMS | Hiraoka, Mori, et al., 1993 | gas phase |
ΔrH° | 6.6 | kcal/mol | PHPMS | Hiroka and Kebarle, 1975 | gas phase |
ΔrH° | 2.4 | kcal/mol | HPMS | Field and Beggs, 1971 | gas phase; Entropy change is questionable |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22.2 | cal/mol*K | PHPMS | Hiraoka, Mori, et al., 1993 | gas phase |
ΔrS° | 23.4 | cal/mol*K | PHPMS | Hiroka and Kebarle, 1975 | gas phase |
ΔrS° | 8.6 | cal/mol*K | HPMS | Field and Beggs, 1971 | gas phase; Entropy change is questionable |
By formula: (C2H5+ • N2) + N2 = (C2H5+ • 2N2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.6 | kcal/mol | HPMS | Speller, 1983 | gas phase; deuterated, Entropy change is questionable |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 10.9 | cal/mol*K | HPMS | Speller, 1983 | gas phase; deuterated, Entropy change is questionable |
By formula: (C2H5+ • 9CH4) + CH4 = (C2H5+ • 10CH4)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1.91 | kcal/mol | PHPMS | Hiraoka, Mori, et al., 1993 | gas phase; Entropy change calculated or estimated |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22. | cal/mol*K | N/A | Hiraoka, Mori, et al., 1993 | gas phase; Entropy change calculated or estimated |
By formula: (C2H5+ • 2C2H5Cl) + C2H5Cl = (C2H5+ • 3C2H5Cl)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.8 | kcal/mol | HPMS | Luczynski and Wincel, 1974 | gas phase; Entropy change is questionable |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 7.7 | cal/mol*K | HPMS | Luczynski and Wincel, 1974 | gas phase; Entropy change is questionable |
By formula: (C2H5+ • C2H5Cl) + C2H5Cl = (C2H5+ • 2C2H5Cl)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 5.2 | kcal/mol | HPMS | Luczynski and Wincel, 1974 | gas phase; Entropy change is questionable |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 8.7 | cal/mol*K | HPMS | Luczynski and Wincel, 1974 | gas phase; Entropy change is questionable |
By formula: C2H5+ + CH2Cl2 = (C2H5+ • CH2Cl2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 36.0 | kcal/mol | PHPMS | Sharma, Meza de Hojer, et al., 1985 | gas phase; Entropy change is questionable |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 45.1 | cal/mol*K | PHPMS | Sharma, Meza de Hojer, et al., 1985 | gas phase; Entropy change is questionable |
By formula: (C2H5+ • 2CH4) + CH4 = (C2H5+ • 3CH4)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 2.28 | kcal/mol | PHPMS | Hiraoka, Mori, et al., 1993 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 17.9 | cal/mol*K | PHPMS | Hiraoka, Mori, et al., 1993 | gas phase |
By formula: (C2H5+ • 3CH4) + CH4 = (C2H5+ • 4CH4)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 2.26 | kcal/mol | PHPMS | Hiraoka, Mori, et al., 1993 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 18.4 | cal/mol*K | PHPMS | Hiraoka, Mori, et al., 1993 | gas phase |
By formula: (C2H5+ • 4CH4) + CH4 = (C2H5+ • 5CH4)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 2.22 | kcal/mol | PHPMS | Hiraoka, Mori, et al., 1993 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 18.9 | cal/mol*K | PHPMS | Hiraoka, Mori, et al., 1993 | gas phase |
By formula: (C2H5+ • 5CH4) + CH4 = (C2H5+ • 6CH4)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 2.21 | kcal/mol | PHPMS | Hiraoka, Mori, et al., 1993 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 19.4 | cal/mol*K | PHPMS | Hiraoka, Mori, et al., 1993 | gas phase |
By formula: (C2H5+ • 6CH4) + CH4 = (C2H5+ • 7CH4)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 2.13 | kcal/mol | PHPMS | Hiraoka, Mori, et al., 1993 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 20.7 | cal/mol*K | PHPMS | Hiraoka, Mori, et al., 1993 | gas phase |
By formula: (C2H5+ • 7CH4) + CH4 = (C2H5+ • 8CH4)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 2.10 | kcal/mol | PHPMS | Hiraoka, Mori, et al., 1993 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 21.0 | cal/mol*K | PHPMS | Hiraoka, Mori, et al., 1993 | gas phase |
By formula: (C2H5+ • 8CH4) + CH4 = (C2H5+ • 9CH4)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 2.08 | kcal/mol | PHPMS | Hiraoka, Mori, et al., 1993 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 21.8 | cal/mol*K | PHPMS | Hiraoka, Mori, et al., 1993 | gas phase |
By formula: (C2H5+ • CH4) + CH4 = (C2H5+ • 2CH4)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 2.37 | kcal/mol | PHPMS | Hiraoka, Mori, et al., 1993 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 16.1 | cal/mol*K | PHPMS | Hiraoka, Mori, et al., 1993 | gas phase |
By formula: C2H5+ + CH3Cl = (C2H5+ • CH3Cl)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 30.7 | kcal/mol | PHPMS | Sen Sharma and Kebarle, 1978 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 30.7 | cal/mol*K | PHPMS | Sen Sharma and Kebarle, 1978 | gas phase |
By formula: C2H5+ + N2 = (C2H5+ • N2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 6.9 | kcal/mol | HPMS | Speller, 1983 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 18.2 | cal/mol*K | HPMS | Speller, 1983 | gas phase |
References
Go To: Top, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Hiraoka, Mori, et al., 1993
Hiraoka, K.; Mori, T.; Yamabe, S.,
The Gas-Phase Solvation of C2H5+, s-C3H7+ and s-C4H9+ with CH4. The Isomeric Structures of C2H5+ and C2H5+.CH4,
Chem. Phys. Lett., 1993, 207, 2-3, 178, https://doi.org/10.1016/0009-2614(93)87011-Q
. [all data]
Hiroka and Kebarle, 1975
Hiroka, K.; Kebarle, P.,
Information on the Proton Affinity and Protolysis of Propane from Measurement of the Ion Cluster Equilibrium: C2H5+ + CH4 = C3H9+,
Can. J. Phys., 1975, 53, 970. [all data]
Field and Beggs, 1971
Field, F.H.; Beggs, D.P.,
Reversible Reactions of Gas Phase Ions. III. Studies with Methane at 0.1-1.0 Torr and 77-300 K,
J. Am. Chem. Soc., 1971, 93, 7, 1585, https://doi.org/10.1021/ja00736a003
. [all data]
Speller, 1983
Speller, C.V.,
Ph. D. Thesis, Universite de Paris Sud, 1983. [all data]
Luczynski and Wincel, 1974
Luczynski, Z.; Wincel, H.,
Ion - Molecule Reactions in Ethyl Chloride,
Int. J. Mass Spectrom. Ion Phys., 1974, 14, 1, 29, https://doi.org/10.1016/0020-7381(74)80059-8
. [all data]
Sharma, Meza de Hojer, et al., 1985
Sharma, D.M.S.; Meza de Hojer, S.; Kebarle, P.,
Stabilities of halonium ions from a study of gas-phase equilibria R+ + XR' = (RXR')+,
J. Am. Chem. Soc., 1985, 107, 13, 3757, https://doi.org/10.1021/ja00299a002
. [all data]
Sen Sharma and Kebarle, 1978
Sen Sharma, D.K.; Kebarle, P.,
Binding Energies and Stabilities of Chloronium Ions from Study of the Gas - Phase Equilibria: R1+ + ClR2 = R1ClR2+,
J. Am. Chem. Soc., 1978, 100, 18, 5826, https://doi.org/10.1021/ja00486a039
. [all data]
Notes
Go To: Top, Reaction thermochemistry data, 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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