Glycine anion
- Formula: C2H4NO2-
- Molecular weight: 74.0592
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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: John E. Bartmess
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Individual Reactions
By formula: C2H4NO2- + H+ = C2H5NO2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 342.7 ± 2.2 | kcal/mol | CIDC | Jones, Bernier, et al., 2007 | gas phase |
ΔrH° | 341.6 ± 2.1 | kcal/mol | G+TS | Caldwell, Renneboog, et al., 1989 | gas phase |
ΔrH° | 342.4 ± 2.1 | kcal/mol | G+TS | Locke and McIver, 1983 | gas phase |
ΔrH° | 336.9 ± 1.4 | kcal/mol | EIAE | Muftakhov, Vasil'ev, et al., 1999 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 334.7 ± 2.0 | kcal/mol | IMRE | Caldwell, Renneboog, et al., 1989 | gas phase |
ΔrG° | 335.5 ± 2.0 | kcal/mol | IMRE | Locke and McIver, 1983 | gas phase |
C2H4NO2- + = C2H6NO3-
By formula: C2H4NO2- + H2O = C2H6NO3-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 17.33 ± 0.50 | kcal/mol | TDAs | Nieckarz, Atkins, et al., 2008 | gas phase |
ΔrH° | 16.00 ± 0.30 | kcal/mol | N/A | Wincel, 2008 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 9.3 ± 1.0 | kcal/mol | TDAs | Nieckarz, Atkins, et al., 2008 | gas phase |
ΔrG° | 8.20 ± 0.40 | kcal/mol | TDAs | Wincel, 2008 | gas phase |
C2H4NO2- + = C4H10NO3-
By formula: C2H4NO2- + C2H6O = C4H10NO3-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 17.57 ± 0.50 | kcal/mol | TDAs | Nieckarz, Atkins, et al., 2008 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 9.8 ± 1.0 | kcal/mol | TDAs | Nieckarz, Atkins, et al., 2008 | gas phase |
C2H4NO2- + = C3H8NO3-
By formula: C2H4NO2- + CH4O = C3H8NO3-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 17.00 ± 0.50 | kcal/mol | TDAs | Nieckarz, Atkins, et al., 2008 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 9.5 ± 1.0 | kcal/mol | TDAs | Nieckarz, Atkins, et al., 2008 | 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.
Jones, Bernier, et al., 2007
Jones, C.M.; Bernier, M.; Carson, E.; Colyer, K.E.; Metz, R.; Pawlow, A.; Wischow, E.D.; Webb, I.; Andriole, E.J.; Poutsma, J.C.,
Gas-phase Acities of the 20 Protein Amino Acids,
Int. J. Mass Spectrom., 2007, 267, 1-3, 54-62, https://doi.org/10.1016/j.ijms.2007.02.018
. [all data]
Caldwell, Renneboog, et al., 1989
Caldwell, G.; Renneboog, R.; Kebarle, P.,
Gas Phase Acidities of Aliphatic Carboxylic Acids, Based on Measurements of Proton Transfer Equilibria,
Can. J. Chem., 1989, 67, 4, 661, https://doi.org/10.1139/v89-092
. [all data]
Locke and McIver, 1983
Locke, M.J.; McIver, R.T., Jr.,
Effect of Solvation on the Acid/Base Properties of Glycine,
J. Am. Chem. Soc., 1983, 105, 4226. [all data]
Muftakhov, Vasil'ev, et al., 1999
Muftakhov, M.V.; Vasil'ev, Y.V.; Mazunov, V.A.,
Determination of electron affinity of carbonyl radicals by means of negative ion mass spectrometry,
Rapid Commun. Mass Spectrom., 1999, 13, 12, 1104-1108, https://doi.org/10.1002/(SICI)1097-0231(19990630)13:12<1104::AID-RCM619>3.0.CO;2-C
. [all data]
Nieckarz, Atkins, et al., 2008
Nieckarz, R.J.; Atkins, C.G.; McMahon, T.B.,
Effects of Isomerization on the Measured Thermochemical Properties of Deprotonated Glycine/Protic-Solvent Clusters,
Chemphyschem, 2008, 9, 18, 2816-2825, https://doi.org/10.1002/cphc.200800525
. [all data]
Wincel, 2008
Wincel, H.,
Hydration energies of deprotonated amino acids from gas phase equilibria measurements,
J. Am. Soc. Mass Spectrom., 2008, 19, 8, 1091-1097, https://doi.org/10.1016/j.jasms.2008.05.014
. [all data]
Notes
Go To: Top, Reaction thermochemistry data, References
- Symbols used in this document:
ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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