Glycine anion
- Formula: C2H4NO2-
- Molecular weight: 74.0592
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Reaction thermochemistry data
Go To: Top, Gas phase ion energetics 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: John E. Bartmess
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: 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 |
Gas phase ion energetics data
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: John E. Bartmess
Electron affinity of neutral species
EAneutral (eV) | Method | Reference | Comment |
---|---|---|---|
3.69 ± 0.16 | D-EA | Caldwell, Renneboog, et al., 1989 | |
3.65 ± 0.16 | D-EA | Locke and McIver, 1983 |
Protonation 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 |
Ion clustering data
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics 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: John E. Bartmess
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
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 |
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- + = 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 |
References
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering 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, Gas phase ion energetics data, Ion clustering data, References
- Symbols used in this document:
EAneutral Electron affinity of neutral species 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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