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Methylamine

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Ion clustering 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 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

CH6N+ + Methylamine = (CH6N+ bullet Methylamine)

By formula: CH6N+ + CH5N = (CH6N+ bullet CH5N)

Quantity Value Units Method Reference Comment
Deltar25.4kcal/molPHPMSMeot-Ner (Mautner), 1992gas phase; M
Deltar21.7kcal/molPHPMSYamdagni and Kebarle, 1973gas phase; M
Quantity Value Units Method Reference Comment
Deltar27.3cal/mol*KPHPMSMeot-Ner (Mautner), 1992gas phase; M
Deltar23.6cal/mol*KPHPMSYamdagni and Kebarle, 1973gas phase; M

(CH6N+ bullet Methylamine) + Methylamine = (CH6N+ bullet 2Methylamine)

By formula: (CH6N+ bullet CH5N) + CH5N = (CH6N+ bullet 2CH5N)

Quantity Value Units Method Reference Comment
Deltar16.0kcal/molPHPMSMeot-Ner (Mautner), 1992gas phase; M
Deltar19.2kcal/molHPMSHolland and Castleman, 1982gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Deltar22.9cal/mol*KPHPMSMeot-Ner (Mautner), 1992gas phase; M
Deltar39.9cal/mol*KHPMSHolland and Castleman, 1982gas phase; Entropy change is questionable; M

(CH6N+ bullet 2Methylamine) + Methylamine = (CH6N+ bullet 3Methylamine)

By formula: (CH6N+ bullet 2CH5N) + CH5N = (CH6N+ bullet 3CH5N)

Quantity Value Units Method Reference Comment
Deltar13.4kcal/molPHPMSMeot-Ner (Mautner), 1992gas phase; M
Deltar17.0kcal/molHPMSHolland and Castleman, 1982gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Deltar25.1cal/mol*KPHPMSMeot-Ner (Mautner), 1992gas phase; M
Deltar41.6cal/mol*KHPMSHolland and Castleman, 1982gas phase; Entropy change is questionable; M

(CH6N+ bullet 3Methylamine) + Methylamine = (CH6N+ bullet 4Methylamine)

By formula: (CH6N+ bullet 3CH5N) + CH5N = (CH6N+ bullet 4CH5N)

Quantity Value Units Method Reference Comment
Deltar7.8kcal/molPHPMSMeot-Ner (Mautner), 1992gas phase; M
Quantity Value Units Method Reference Comment
Deltar21.5cal/mol*KPHPMSMeot-Ner (Mautner), 1992gas phase; M

C2H8N+ + Methylamine = (C2H8N+ bullet Methylamine)

By formula: C2H8N+ + CH5N = (C2H8N+ bullet CH5N)

Quantity Value Units Method Reference Comment
Deltar22.4kcal/molPHPMSYamdagni and Kebarle, 1973gas phase; M
Quantity Value Units Method Reference Comment
Deltar29.2cal/mol*KPHPMSYamdagni and Kebarle, 1973gas phase; M

C3H9Si+ + Methylamine = (C3H9Si+ bullet Methylamine)

By formula: C3H9Si+ + CH5N = (C3H9Si+ bullet CH5N)

Quantity Value Units Method Reference Comment
Deltar55.4kcal/molPHPMSLi and Stone, 1990gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)C6H5COOC2H5; Wojtyniak and Stone, 1986; M
Quantity Value Units Method Reference Comment
Deltar38.1cal/mol*KPHPMSLi and Stone, 1990gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)C6H5COOC2H5; Wojtyniak and Stone, 1986; M

C3H9Sn+ + Methylamine = (C3H9Sn+ bullet Methylamine)

By formula: C3H9Sn+ + CH5N = (C3H9Sn+ bullet CH5N)

Quantity Value Units Method Reference Comment
Deltar42.1kcal/molPHPMSStone and Splinter, 1984gas phase; switching reaction((CH3)3Sn+)CH3OH, Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Deltar30.7cal/mol*KN/AStone and Splinter, 1984gas phase; switching reaction((CH3)3Sn+)CH3OH, Entropy change calculated or estimated; M

Free energy of reaction

DeltarG° (kcal/mol) T (K) Method Reference Comment
26.0525.PHPMSStone and Splinter, 1984gas phase; switching reaction((CH3)3Sn+)CH3OH, Entropy change calculated or estimated; M

C6H12NO3+ + Methylamine = (C6H12NO3+ bullet Methylamine)

By formula: C6H12NO3+ + CH5N = (C6H12NO3+ bullet CH5N)

Bond type: Hydrogen bonds with polydentate bonding in positive ions

Quantity Value Units Method Reference Comment
Deltar28.6kcal/molPHPMSMeot-Ner, 1984gas phase; M
Quantity Value Units Method Reference Comment
Deltar19.9cal/mol*KPHPMSMeot-Ner, 1984gas phase; M

Potassium ion (1+) + Methylamine = (Potassium ion (1+) bullet Methylamine)

By formula: K+ + CH5N = (K+ bullet CH5N)

Quantity Value Units Method Reference Comment
Deltar19.1kcal/molHPMSDavidson and Kebarle, 1976gas phase; switching reaction(K+)H2O; Davidson and Kebarle, 1976, 2; M
Quantity Value Units Method Reference Comment
Deltar21.8cal/mol*KHPMSDavidson and Kebarle, 1976gas phase; switching reaction(K+)H2O; Davidson and Kebarle, 1976, 2; M
Quantity Value Units Method Reference Comment
Deltar12.7kcal/molHPMSDavidson and Kebarle, 1976gas phase; switching reaction(K+)H2O; Davidson and Kebarle, 1976, 2; M

Lithium ion (1+) + Methylamine = (Lithium ion (1+) bullet Methylamine)

By formula: Li+ + CH5N = (Li+ bullet CH5N)

Quantity Value Units Method Reference Comment
Deltar41.1kcal/molICRWoodin and Beauchamp, 1978gas phase; switching reaction(Li+)H2O, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 interpolated; M
Quantity Value Units Method Reference Comment
Deltar26.cal/mol*KN/AWoodin and Beauchamp, 1978gas phase; switching reaction(Li+)H2O, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 interpolated; M
Quantity Value Units Method Reference Comment
Deltar33.3kcal/molICRWoodin and Beauchamp, 1978gas phase; switching reaction(Li+)H2O, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 interpolated; M

Sodium ion (1+) + Methylamine = (Sodium ion (1+) bullet Methylamine)

By formula: Na+ + CH5N = (Na+ bullet CH5N)

Quantity Value Units Method Reference Comment
Deltar26.3 ± 0.2kcal/molHPMSHoyau, Norrman, et al., 1999RCD
Deltar32.1kcal/molHPMSGuo and Castleman, 1990gas phase; M
Quantity Value Units Method Reference Comment
Deltar22600.cal/mol*KHPMSHoyau, Norrman, et al., 1999RCD
Deltar30.3cal/mol*KHPMSGuo and Castleman, 1990gas phase; M

Free energy of reaction

DeltarG° (kcal/mol) T (K) Method Reference Comment
19.5298.IMREMcMahon and Ohanessian, 2000Anchor alanine=39.89; RCD

Lead ion (1+) + Methylamine = (Lead ion (1+) bullet Methylamine)

By formula: Pb+ + CH5N = (Pb+ bullet CH5N)

Quantity Value Units Method Reference Comment
Deltar35.4 ± 0.3kcal/molHPMSGuo and Castleman, 1990gas phase; M
Quantity Value Units Method Reference Comment
Deltar30.0cal/mol*KHPMSGuo and Castleman, 1990gas phase; M

(Lead ion (1+) bullet Methylamine) + Methylamine = (Lead ion (1+) bullet 2Methylamine)

By formula: (Pb+ bullet CH5N) + CH5N = (Pb+ bullet 2CH5N)

Quantity Value Units Method Reference Comment
Deltar19.1 ± 0.2kcal/molHPMSGuo and Castleman, 1990gas phase; M
Quantity Value Units Method Reference Comment
Deltar19.5cal/mol*KHPMSGuo and Castleman, 1990gas phase; M

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.

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]

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]

Holland and Castleman, 1982
Holland, P.M.; Castleman, A.W., The Thermochemical Properties of Gas - Phase Transition Metal Ion Complexes, J. Chem. Phys., 1982, 76, 8, 4195, https://doi.org/10.1063/1.443497 . [all data]

Li and Stone, 1990
Li, X.; Stone, A.J., Gas-Phase (CH3)3Si+ Affinities of Alkylamines and Proton Affinities of Trimethylsilyl Alkylamines, Int. J. Mass Spectrom. Ion Proc., 1990, 101, 2-3, 149, https://doi.org/10.1016/0168-1176(90)87008-5 . [all data]

Wojtyniak and Stone, 1986
Wojtyniak, A.C.M.; Stone, A.J., A High-Pressure Mass Spectrometric Study of the Bonding of Trimethylsilylium to Oxygen and Aromatic Bases, Can. J. Chem., 1986, 74, 59. [all data]

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]

Meot-Ner, 1984
Meot-Ner, (Mautner), The Ionic Hydrogen Bond. 4. Intramolecular and Multiple Bonds. Proton Affinities, Hydration and Complexes of Amides and Amino Acid Derivatives, J. Am. Chem. Soc., 1984, 106, 2, 278, https://doi.org/10.1021/ja00314a003 . [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]

Hoyau, Norrman, et al., 1999
Hoyau, S.; Norrman, K.; McMahon, T.B.; Ohanessian, G., A Quantitative Basis for a Scale of Na+ Affinities of Organic and Small Biological Molecules in the Gas Phase, J. Am. Chem. Soc., 1999, 121, 38, 8864, https://doi.org/10.1021/ja9841198 . [all data]

Guo and Castleman, 1990
Guo, B.C.; Castleman, A.W., The Association Reactions of Pb+ Ion with CH3OH and CH3NH2 in the Gas Phase, Int. J. Mass Spectrom. Ion Proc., 1990, 100, 665, https://doi.org/10.1016/0168-1176(90)85101-7 . [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