tert-Butyl, positive ion


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: Michael M. Meot-Ner (Mautner) and Sharon G. Lias

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

C4H9+ + Ammonia = (C4H9+ • Ammonia)

By formula: C4H9+ + H3N = (C4H9+ • H3N)

Quantity Value Units Method Reference Comment
Δr46.8kcal/molPHPMSMeot-Ner (Mautner) and Sieck, 1991gas phase; forms t-C4H9NH3+
Δr45.3kcal/molPHPMSSzulejko and McMahon, 1991gas phase; forms t-C4H9NH3+
Δr46.5kcal/molPHPMSMeot-Ner (Mautner) and Sieck, 1990gas phase; forms t-C4H9NH3+
Quantity Value Units Method Reference Comment
Δr43.7cal/mol*KPHPMSMeot-Ner (Mautner) and Sieck, 1991gas phase; forms t-C4H9NH3+
Δr47.3cal/mol*KPHPMSSzulejko and McMahon, 1991gas phase; forms t-C4H9NH3+
Δr44.0cal/mol*KPHPMSMeot-Ner (Mautner) and Sieck, 1990gas phase; forms t-C4H9NH3+

C4H9+ + Toluene = (C4H9+ • Toluene)

By formula: C4H9+ + C7H8 = (C4H9+ • C7H8)

Quantity Value Units Method Reference Comment
Δr28.6kcal/molPHPMSStone and Stone, 1991gas phase; toluene D8, forms protonated t-butyltoluene
Δr29.1kcal/molPHPMSStone and Stone, 1991gas phase; forms protomated t-butyltoluene
Quantity Value Units Method Reference Comment
Δr54.5cal/mol*KPHPMSStone and Stone, 1991gas phase; toluene D8, forms protonated t-butyltoluene
Δr54.6cal/mol*KPHPMSStone and Stone, 1991gas phase; forms protomated t-butyltoluene

(C4H9+ • 3Water) + Water = (C4H9+ • 4Water)

By formula: (C4H9+ • 3H2O) + H2O = (C4H9+ • 4H2O)

Quantity Value Units Method Reference Comment
Δr14.kcal/molPHPMSHiraoka and Kebarle, 1977gas phase; may form ((CH3)3COH2+) 3H2O
Quantity Value Units Method Reference Comment
Δr28.7cal/mol*KPHPMSHiraoka and Kebarle, 1977gas phase; may form ((CH3)3COH2+) 3H2O

(C4H9+ • 2Water) + Water = (C4H9+ • 3Water)

By formula: (C4H9+ • 2H2O) + H2O = (C4H9+ • 3H2O)

Quantity Value Units Method Reference Comment
Δr17.7kcal/molPHPMSHiraoka and Kebarle, 1977, 2gas phase; may form ((CH3)3COH2+) 2H2O
Quantity Value Units Method Reference Comment
Δr29.cal/mol*KPHPMSHiraoka and Kebarle, 1977, 2gas phase; may form ((CH3)3COH2+) 2H2O

C4H9+ + Benzene = (C4H9+ • Benzene)

By formula: C4H9+ + C6H6 = (C4H9+ • C6H6)

Quantity Value Units Method Reference Comment
Δr22.kcal/molPHPMSSen Sharma, Ikuta, et al., 1982gas phase; forms protonated t-butylbenzene
Quantity Value Units Method Reference Comment
Δr49.cal/mol*KPHPMSSen Sharma, Ikuta, et al., 1982gas phase; forms protonated t-butylbenzene

C4H9+ + Hydrogen cyanide = (C4H9+ • Hydrogen cyanide)

By formula: C4H9+ + CHN = (C4H9+ • CHN)

Quantity Value Units Method Reference Comment
Δr16.3kcal/molPHPMSMeot-Ner (Mautner), 1978gas phase; may form t-C4H9NCH+
Quantity Value Units Method Reference Comment
Δr25.cal/mol*KPHPMSMeot-Ner (Mautner), 1978gas phase; may form t-C4H9NCH+

C4H9+ + Dimethyl sulfide = (C4H9+ • Dimethyl sulfide)

By formula: C4H9+ + C2H6S = (C4H9+ • C2H6S)

Quantity Value Units Method Reference Comment
Δr44.2kcal/molPHPMSMeot-Ner (Mautner) and Sieck, 1991gas phase; condensation
Quantity Value Units Method Reference Comment
Δr42.6cal/mol*KPHPMSMeot-Ner (Mautner) and Sieck, 1991gas phase; condensation

C4H9+ + Sulfuryl fluoride = (C4H9+ • Sulfuryl fluoride)

By formula: C4H9+ + F2O2S = (C4H9+ • F2O2S)

Quantity Value Units Method Reference Comment
Δr10.4kcal/molPHPMSSharma, Meza de Hojer, et al., 1985gas phase
Quantity Value Units Method Reference Comment
Δr10.4cal/mol*KPHPMSSharma, Meza de Hojer, et al., 1985gas phase

C4H9+ + Trichloromethane = (C4H9+ • Trichloromethane)

By formula: C4H9+ + CHCl3 = (C4H9+ • CHCl3)

Quantity Value Units Method Reference Comment
Δr9.1kcal/molPHPMSSharma, Meza de Hojer, et al., 1985gas phase
Quantity Value Units Method Reference Comment
Δr23.6cal/mol*KPHPMSSharma, Meza de Hojer, et al., 1985gas phase

C4H9+ + Chloromethane = (C4H9+ • Chloromethane)

By formula: C4H9+ + CH3Cl = (C4H9+ • CH3Cl)

Quantity Value Units Method Reference Comment
Δr8.4kcal/molPHPMSSharma, Meza de Hojer, et al., 1985gas phase
Quantity Value Units Method Reference Comment
Δr19.3cal/mol*KPHPMSSharma, Meza de Hojer, et al., 1985gas phase

C4H9+ + Propane = (C4H9+ • Propane)

By formula: C4H9+ + C3H8 = (C4H9+ • C3H8)

Quantity Value Units Method Reference Comment
Δr6.6kcal/molPHPMSSunner, Hirao, et al., 1989gas phase
Quantity Value Units Method Reference Comment
Δr22.3cal/mol*KPHPMSSunner, Hirao, et al., 1989gas phase

C4H9+ + Ethyl Chloride = (C4H9+ • Ethyl Chloride)

By formula: C4H9+ + C2H5Cl = (C4H9+ • C2H5Cl)

Quantity Value Units Method Reference Comment
Δr9.2kcal/molPHPMSSharma, Meza de Hojer, et al., 1985gas phase
Quantity Value Units Method Reference Comment
Δr16.3cal/mol*KPHPMSSharma, Meza de Hojer, et al., 1985gas phase

C4H9+ + Methylene chloride = (C4H9+ • Methylene chloride)

By formula: C4H9+ + CH2Cl2 = (C4H9+ • CH2Cl2)

Quantity Value Units Method Reference Comment
Δr9.5kcal/molPHPMSSharma, Meza de Hojer, et al., 1985gas phase
Quantity Value Units Method Reference Comment
Δr22.3cal/mol*KPHPMSSharma, Meza de Hojer, et al., 1985gas phase

C4H9+ + Fluoroform = (C4H9+ • Fluoroform)

By formula: C4H9+ + CHF3 = (C4H9+ • CHF3)

Quantity Value Units Method Reference Comment
Δr6.8kcal/molPHPMSSharma, Meza de Hojer, et al., 1985gas phase
Quantity Value Units Method Reference Comment
Δr19.8cal/mol*KPHPMSSharma, Meza de Hojer, et al., 1985gas phase

C4H9+ + Tetrafluoromethane = (C4H9+ • Tetrafluoromethane)

By formula: C4H9+ + CF4 = (C4H9+ • CF4)

Quantity Value Units Method Reference Comment
Δr3.4kcal/molPHPMSSharma, Meza de Hojer, et al., 1985gas phase
Quantity Value Units Method Reference Comment
Δr10.4cal/mol*KPHPMSSharma, Meza de Hojer, et al., 1985gas phase

C4H9+ + Water = (C4H9+ • Water)

By formula: C4H9+ + H2O = (C4H9+ • H2O)

Quantity Value Units Method Reference Comment
Δr11.2kcal/molPHPMSHiraoka and Kebarle, 1977, 2gas phase
Quantity Value Units Method Reference Comment
Δr22.cal/mol*KPHPMSHiraoka and Kebarle, 1977, 2gas 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.

Meot-Ner (Mautner) and Sieck, 1991
Meot-Ner (Mautner), M.; Sieck, L.W., Proton affinity ladders from variable-temperature equilibrium measurements. 1. A reevaluation of the upper proton affinity range, J. Am. Chem. Soc., 1991, 113, 12, 4448, https://doi.org/10.1021/ja00012a012 . [all data]

Szulejko and McMahon, 1991
Szulejko, J.E.; McMahon, T.B., A Pulsed Electron Beam, Variable Temperature, High Pressure Mass Spectrometric Reevaluation of the Proton Affinity Difference Between 2-Methylpropene and Ammonia, Int. J. Mass Spectrom. Ion Proc., 1991, 109, 279, https://doi.org/10.1016/0168-1176(91)85109-Y . [all data]

Meot-Ner (Mautner) and Sieck, 1990
Meot-Ner (Mautner), M.; Sieck, L.W., Ion Thermochemistry at High Temperatures. 1. Thermochemistry of the Ammonium Ion from Variable - Temperature Equilibrium Measurements. Proton Transfer, Association, and Decomposition Reactions in Ammonia, Isobutene, and t-Butylamine, J. Phys. Chem., 1990, 94, 19, 7730, https://doi.org/10.1021/j100382a076 . [all data]

Stone and Stone, 1991
Stone, J.M.; Stone, J.A., A High Pressure Mass Spectrometric Study of the Binding of (CH3)3Si+ and (CH3)3C+ to Toluene and Benzene, Int. J. Mass Spectrom. Ion Proc., 1991, 109, 247, https://doi.org/10.1016/0168-1176(91)85107-W . [all data]

Hiraoka and Kebarle, 1977
Hiraoka, K.; Kebarle, P., Condensation Reactions Involving Carbonium Ions and Lewis Bases in the Gas Phase. Hydration of the t - Butyl Cation, J. Am. Chem., 1977, 99, 2, 360, https://doi.org/10.1021/ja00444a008 . [all data]

Hiraoka and Kebarle, 1977, 2
Hiraoka, K.; Kebarle, P., Gas Phase Ion Equilibria Studies of the Proton in Hydrogen Sulfide and Hydrogen Sulfide - Water Mixtures. Stabilities of the Hydrogen Bonded Complexes H+(H2S)x(H2O)y, Can. J. Chem., 1977, 55, 1, 24, https://doi.org/10.1139/v77-005 . [all data]

Sen Sharma, Ikuta, et al., 1982
Sen Sharma, D.K.; Ikuta, S.; Kebarle, P., Alkylation of Benzene by Alkyl Cations. Stability of the tert - Butyl Benzenium Ion, Can. J. Chem., 1982, 60, 18, 2325, https://doi.org/10.1139/v82-331 . [all data]

Meot-Ner (Mautner), 1978
Meot-Ner (Mautner), M., Solvation of the Proton by HCN and CH3CN. Condensation of HCN with Ions in the Gas Phase., J. Am. Chem. Soc., 1978, 100, 15, 4694, https://doi.org/10.1021/ja00483a012 . [all data]

Sharma, Meza de Hojer, et al., 1985
Sharma, D.M.S.; Meza de Hojer, S.; Kebarle, P., Stabilities of halonium ions from a study of gas-phase equilibria R+ + XR' = (RXR')+, J. Am. Chem. Soc., 1985, 107, 13, 3757, https://doi.org/10.1021/ja00299a002 . [all data]

Sunner, Hirao, et al., 1989
Sunner, J.A.; Hirao, K.; Kebarle, P., Hydride - Transfer Reactions. Temperature Dependence of Rate Constants for i-C3H7+ + HC(CH3)3 = C3H8 + C(CH3)3+. Clusters of i-C3H7+ and t-C4H9+ with Propane and Isobutane, J. Phys. Chem., 1989, 93, 10, 4010, https://doi.org/10.1021/j100347a030 . [all data]


Notes

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