Methylamine, N,N-dimethyl-
- Formula: C3H9N
- Molecular weight: 59.1103
- IUPAC Standard InChIKey: GETQZCLCWQTVFV-UHFFFAOYSA-N
- CAS Registry Number: 75-50-3
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Trimethylamine; Methanamine, N,N-dimethyl-; TMA; UN 1083; UN 1297
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Ion clustering 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 as indicated in comments:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
RCD - Robert C. Dunbar
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: C3H9Sn+ + C3H9N = (C3H9Sn+ • C3H9N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 191. | kJ/mol | PHPMS | Stone and Splinter, 1984 | gas phase; switching reaction((CH3)3Sn+)CH3OH, Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 130. | J/mol*K | N/A | Stone and Splinter, 1984 | gas phase; switching reaction((CH3)3Sn+)CH3OH, Entropy change calculated or estimated; M |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
120. | 525. | PHPMS | Stone and Splinter, 1984 | gas phase; switching reaction((CH3)3Sn+)CH3OH, Entropy change calculated or estimated; M |
By formula: C3H10N+ + C3H9N = (C3H10N+ • C3H9N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 92.0 | kJ/mol | PHPMS | El-Shall, Daly, et al., 1992 | gas phase; M |
ΔrH° | 92.0 | kJ/mol | PHPMS | Meot-Ner (Mautner), 1992 | gas phase; M |
ΔrH° | 94.6 | kJ/mol | MKER | Wei, Tzeng, et al., 1991 | gas phase; from graph; M |
ΔrH° | 94.1 | kJ/mol | PHPMS | Yamdagni and Kebarle, 1973 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 114. | J/mol*K | PHPMS | El-Shall, Daly, et al., 1992 | gas phase; M |
ΔrS° | 114. | J/mol*K | PHPMS | Meot-Ner (Mautner), 1992 | gas phase; M |
ΔrS° | 134. | J/mol*K | PHPMS | Yamdagni and Kebarle, 1973 | gas phase; M |
(C3H10N+ • ) + = (C3H10N+ • 2)
By formula: (C3H10N+ • C3H9N) + C3H9N = (C3H10N+ • 2C3H9N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 29. | kJ/mol | MKER | Wei, Tzeng, et al., 1991 | gas phase; from graph; M |
(C3H10N+ • 2) + = (C3H10N+ • 3)
By formula: (C3H10N+ • 2C3H9N) + C3H9N = (C3H10N+ • 3C3H9N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 27. | kJ/mol | MKER | Wei, Tzeng, et al., 1991 | gas phase; from graph; M |
(C3H10N+ • 3) + = (C3H10N+ • 4)
By formula: (C3H10N+ • 3C3H9N) + C3H9N = (C3H10N+ • 4C3H9N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 35. | kJ/mol | MKER | Wei, Tzeng, et al., 1991 | gas phase; from graph; M |
(C3H10N+ • 4) + = (C3H10N+ • 5)
By formula: (C3H10N+ • 4C3H9N) + C3H9N = (C3H10N+ • 5C3H9N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 37. | kJ/mol | MKER | Wei, Tzeng, et al., 1991 | gas phase; from graph; M |
(C3H10N+ • 5) + = (C3H10N+ • 6)
By formula: (C3H10N+ • 5C3H9N) + C3H9N = (C3H10N+ • 6C3H9N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 31. | kJ/mol | MKER | Wei, Tzeng, et al., 1991 | gas phase; from graph; M |
(C3H10N+ • • ) + = (C3H10N+ • 2 • )
By formula: (C3H10N+ • C3H9N • H2O) + C3H9N = (C3H10N+ • 2C3H9N • H2O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 46.0 | kJ/mol | PHPMS | El-Shall, Daly, et al., 1992 | gas phase; M |
By formula: K+ + C3H9N = (K+ • C3H9N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 83.7 | kJ/mol | HPMS | Davidson and Kebarle, 1976 | gas phase; switching reaction(K+)H2O; Davidson and Kebarle, 1976, 2; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 97.9 | J/mol*K | HPMS | Davidson and Kebarle, 1976 | gas phase; switching reaction(K+)H2O; Davidson and Kebarle, 1976, 2; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 54.4 | kJ/mol | HPMS | Davidson and Kebarle, 1976 | gas phase; switching reaction(K+)H2O; Davidson and Kebarle, 1976, 2; M |
By formula: Li+ + C3H9N = (Li+ • C3H9N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 176. | kJ/mol | ICR | Woodin and Beauchamp, 1978 | gas phase; switching reaction(Li+)H2O, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 extrapolated; M |
ΔrH° | 170. | kJ/mol | ICR | Staley and Beauchamp, 1975 | gas phase; switching reaction(Li+)H2O, from graph; Dzidic and Kebarle, 1970; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 120. | J/mol*K | N/A | Woodin and Beauchamp, 1978 | gas phase; switching reaction(Li+)H2O, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 extrapolated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 140. | kJ/mol | ICR | Woodin and Beauchamp, 1978 | gas phase; switching reaction(Li+)H2O, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 extrapolated; M |
By formula: Na+ + C3H9N = (Na+ • C3H9N)
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
79.5 | 298. | IMRE | McMahon and Ohanessian, 2000 | Anchor alanine=39.89; RCD |
References
Go To: Top, Ion clustering data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Stone and Splinter, 1984
Stone, J.A.; Splinter, D.E.,
A high-pressure mass spectrometric study of the binding of (CH3)3Sn+ to lewis bases in the gas phase,
Int. J. Mass Spectrom. Ion Processes, 1984, 59, 169. [all data]
El-Shall, Daly, et al., 1992
El-Shall, M.S.; Daly, G.M.; Gao, J.; Meot-Ner (Mautner), M.; Sieck, L.W.,
How Sensitive are Cluster Compositions to Energetics? A Joint Beam Expansion/ Thermochemical Study of Water - Methanol - Trimethylamine Clusters,
J. Phys. Chem., 1992, 96, 2, 507, https://doi.org/10.1021/j100181a002
. [all data]
Meot-Ner (Mautner), 1992
Meot-Ner (Mautner), M.,
Intermolecular Forces in Organic Clusters,
J. Am. Chem. Soc., 1992, 114, 9, 3312, https://doi.org/10.1021/ja00035a024
. [all data]
Wei, Tzeng, et al., 1991
Wei, S.; Tzeng, W.B.; Castleman, A.W.,
Structure of protonated solvation complexes - ammonia trimethylamine cluster ions and their metastable decompositions,
J. Phys. Chem., 1991, 95, 2, 585, https://doi.org/10.1021/j100155a019
. [all data]
Yamdagni and Kebarle, 1973
Yamdagni, R.; Kebarle, P.,
Gas - Phase Basicites of Amines. Hydrogen Bonding in Proton - Bound Amine Dimers and Proton - Induced Cyclization of alpha, omega - Diamines,
J. Am. Chem. Soc., 1973, 95, 11, 3504, https://doi.org/10.1021/ja00792a010
. [all data]
Davidson and Kebarle, 1976
Davidson, W.R.; Kebarle, P.,
Binding Energies and Stabilities of Potassium Ion Complexes from Studies of Gas Phase Ion Equilibria K+ + M = K+.M,
J. Am. Chem. Soc., 1976, 98, 20, 6133, https://doi.org/10.1021/ja00436a011
. [all data]
Davidson and Kebarle, 1976, 2
Davidson, W.R.; Kebarle, P.,
Ionic Solvation by Aprotic Solvents. Gas Phase Solvation of the Alkali Ions by Acetonitrile,
J. Am. Chem. Soc., 1976, 98, 20, 6125, https://doi.org/10.1021/ja00436a010
. [all data]
Woodin and Beauchamp, 1978
Woodin, R.L.; Beauchamp, J.L.,
Bonding of Li+ to Lewis Bases in the Gas Phase. Reversals in Methyl Substituent Effects for Different Reference Acids,
J. Am. Chem. Soc., 1978, 100, 2, 501, https://doi.org/10.1021/ja00470a024
. [all data]
Dzidic and Kebarle, 1970
Dzidic, I.; Kebarle, P.,
Hydration of the Alkali Ions in the Gas Phase. Enthalpies and Entropies of Reactions M+(H2O)n-1 + H2O = M+(H2O)n,
J. Phys. Chem., 1970, 74, 7, 1466, https://doi.org/10.1021/j100702a013
. [all data]
Staley and Beauchamp, 1975
Staley, R.H.; Beauchamp, J.L.,
Intrinsic Acid - Base Properties of Molecules. Binding Energies of Li+ to pi - and n - Donor Bases,
J. Am. Chem. Soc., 1975, 97, 20, 5920, https://doi.org/10.1021/ja00853a050
. [all data]
McMahon and Ohanessian, 2000
McMahon, T.B.; Ohanessian, G.,
An Experimental and Ab Initio Study of the Nature of the Binding in Gas-Phase Complexes of Sodium Ions,
Chem. Eur. J., 2000, 6, 16, 2931, https://doi.org/10.1002/1521-3765(20000818)6:16<2931::AID-CHEM2931>3.0.CO;2-7
. [all data]
Notes
Go To: Top, Ion clustering data, References
- Symbols used in this document:
T Temperature ΔrG° Free energy of reaction at standard conditions 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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