Reaction data
C2H- + 
= 
Free energy of reaction at standard conditions (nominally 298.15 K, 1 atm.)
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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: John E. Bartmess
| ΔrG° (kcal/mol) | Method | Reference | Comment |
|---|---|---|---|
| 370.29 ± 0.31 | H-TS | Zhou, Garand, et al., 2007 | gas phase; B |
| 370.28 ± 0.34 | H-TS | Ervin and Lineberger, 1991 | gas phase; B |
| 369.80 ± 0.60 | IMRE | Ervin, Gronert, et al., 1990 | gas phase; B |
| 369.80 ± 0.60 | H-TS | Ruscic and Berkowitz, 1990 | gas phase; 376.7 0K; corrected with data from Gurvich, Veyts, et al.; B |
| 368.5 ± 2.0 | IMRE | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale; B |
| 376.80 ± 0.60 | IMRE | Bohme, MacKay, et al., 1974 | gas phase; B |
| 368.0 ± 5.0 | IMRB | Bohme, Lee-Ruff, et al., 1972 | gas phase; B |
References
Go To: Top, Free energy of reaction at standard conditions (nominally 298.15 K, 1 atm.), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Zhou, Garand, et al., 2007
Zhou, J.; Garand, E.; Neumark, D.M.,
Vibronic structure in C2H and C2D from anion slow electron velocity-map imaging spectroscopy,
J. Chem. Phys., 2007, 127, 11, 114313, https://doi.org/10.1063/1.2768932
. [all data]
Ervin and Lineberger, 1991
Ervin, K.M.; Lineberger, W.C.,
Photoelectron Spectra of C2- and C2H-,
J. Phys. Chem., 1991, 95, 3, 1167, https://doi.org/10.1021/j100156a026
. [all data]
Ervin, Gronert, et al., 1990
Ervin, K.M.; Gronert, S.; Barlow, S.E.; Gilles, M.K.; Harrison, A.G.; Bierbaum, V.M.; DePuy, C.H.; Lin, W.C.,
Bonds Strengths of Ethylene and Acetylene,
J. Am. Chem. Soc., 1990, 112, 15, 5750, https://doi.org/10.1021/ja00171a013
. [all data]
Ruscic and Berkowitz, 1990
Ruscic, B.; Berkowitz, J.,
Photoion-pair Formation and Photoelectron-induced Dissociative Attachment in C2H2: D0(HCC-H),
J. Chem. Phys., 1990, 93, 8, 5586, https://doi.org/10.1063/1.459629
. [all data]
Gurvich, Veyts, et al.
Gurvich, L.V.; Veyts, I.V.; Alcock, C.B.,
Hemisphere Publishing, NY, 1989, V. 1 2, Thermodynamic Properties of Individual Substances, 4th Ed. [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]
Bohme, MacKay, et al., 1974
Bohme, D.K.; MacKay, G.I.; Schiff, H.I.; Hemsworth, R.S.,
Equilibrium OH- + C2H2 = C2H- + H2O and the determination of Hf298(C2H-),
J. Chem. Phys., 1974, 61, 2175. [all data]
Bohme, Lee-Ruff, et al., 1972
Bohme, D.K.; Lee-Ruff, E.; Young, L.B.,
Acidity order of selected bronsted acids in the gas phase at 300K,
J. Am. Chem. Soc., 1972, 94, 5153. [all data]
Notes
Go To: Top, Free energy of reaction at standard conditions (nominally 298.15 K, 1 atm.), References
- Symbols used in this document:
ΔrG° Free energy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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