Trimethylsilyl, 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

C3H9Si+ + Toluene = (C3H9Si+ • Toluene)

By formula: C3H9Si+ + C7H8 = (C3H9Si+ • C7H8)

Quantity Value Units Method Reference Comment
ΔrH°28.4kcal/molPHPMSStone and Stone, 1991gas phase; forms pi complex
ΔrH°31.3kcal/molPHPMSStone and Stone, 1991gas phase; toluene D8, forms pi complex
ΔrH°26.6kcal/molPHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)C6H6, Entropy change calculated or estimated
Quantity Value Units Method Reference Comment
ΔrS°34.9cal/mol*KN/AWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)C6H6, Entropy change calculated or estimated

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
10.3468.PHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)C6H6, Entropy change calculated or estimated

C3H9Si+ + Mesitylene = (C3H9Si+ • Mesitylene)

By formula: C3H9Si+ + C9H12 = (C3H9Si+ • C9H12)

Quantity Value Units Method Reference Comment
ΔrH°31.0kcal/molPHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)(C6H6), Entropy change calculated or estimated
Quantity Value Units Method Reference Comment
ΔrS°35.2cal/mol*KN/AWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)(C6H6), Entropy change calculated or estimated

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
14.6468.PHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)(C6H6), Entropy change calculated or estimated

C3H9Si+ + p-Xylene = (C3H9Si+ • p-Xylene)

By formula: C3H9Si+ + C8H10 = (C3H9Si+ • C8H10)

Quantity Value Units Method Reference Comment
ΔrH°28.2kcal/molPHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)C6H6, Entropy change calculated or estimated
Quantity Value Units Method Reference Comment
ΔrS°35.1cal/mol*KN/AWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)C6H6, Entropy change calculated or estimated

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
11.8468.PHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)C6H6, Entropy change calculated or estimated

C3H9Si+ + Benzene, 1,3-dimethyl- = (C3H9Si+ • Benzene, 1,3-dimethyl-)

By formula: C3H9Si+ + C8H10 = (C3H9Si+ • C8H10)

Quantity Value Units Method Reference Comment
ΔrH°29.0kcal/molPHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)C6H6, Entropy change calculated or estimated
Quantity Value Units Method Reference Comment
ΔrS°35.1cal/mol*KN/AWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)C6H6, Entropy change calculated or estimated

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
12.7468.PHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)C6H6, Entropy change calculated or estimated

C3H9Si+ + 1-Propanol = (C3H9Si+ • 1-Propanol)

By formula: C3H9Si+ + C3H8O = (C3H9Si+ • C3H8O)

Quantity Value Units Method Reference Comment
ΔrH°43.3kcal/molPHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+))H2O, Entropy change calculated or estimated
Quantity Value Units Method Reference Comment
ΔrS°30.8cal/mol*KN/AWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+))H2O, Entropy change calculated or estimated

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
28.9468.PHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+))H2O, Entropy change calculated or estimated

C3H9Si+ + o-Xylene = (C3H9Si+ • o-Xylene)

By formula: C3H9Si+ + C8H10 = (C3H9Si+ • C8H10)

Quantity Value Units Method Reference Comment
ΔrH°29.1kcal/molPHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)C6H6, Entropy change calculated or estimated
Quantity Value Units Method Reference Comment
ΔrS°35.1cal/mol*KN/AWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)C6H6, Entropy change calculated or estimated

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
12.7468.PHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)C6H6, Entropy change calculated or estimated

C3H9Si+ + Isopropyl acetate = (C3H9Si+ • Isopropyl acetate)

By formula: C3H9Si+ + C5H10O2 = (C3H9Si+ • C5H10O2)

Quantity Value Units Method Reference Comment
ΔrH°50.3kcal/molPHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated
Quantity Value Units Method Reference Comment
ΔrS°31.6cal/mol*KN/AWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
35.6468.PHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated

C3H9Si+ + n-Propyl acetate = (C3H9Si+ • n-Propyl acetate)

By formula: C3H9Si+ + C5H10O2 = (C3H9Si+ • C5H10O2)

Quantity Value Units Method Reference Comment
ΔrH°49.4kcal/molPHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated
Quantity Value Units Method Reference Comment
ΔrS°31.6cal/mol*KN/AWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
34.7468.PHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated

C3H9Si+ + Acetic acid, phenyl ester = (C3H9Si+ • Acetic acid, phenyl ester)

By formula: C3H9Si+ + C8H8O2 = (C3H9Si+ • C8H8O2)

Quantity Value Units Method Reference Comment
ΔrH°48.8kcal/molPHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated
Quantity Value Units Method Reference Comment
ΔrS°31.9cal/mol*KN/AWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
33.8468.PHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated

C3H9Si+ + Acetic acid, butyl ester = (C3H9Si+ • Acetic acid, butyl ester)

By formula: C3H9Si+ + C6H12O2 = (C3H9Si+ • C6H12O2)

Quantity Value Units Method Reference Comment
ΔrH°49.9kcal/molPHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated
Quantity Value Units Method Reference Comment
ΔrS°31.7cal/mol*KN/AWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
35.1468.PHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated

C3H9Si+ + Ethyl Acetate = (C3H9Si+ • Ethyl Acetate)

By formula: C3H9Si+ + C4H8O2 = (C3H9Si+ • C4H8O2)

Quantity Value Units Method Reference Comment
ΔrH°48.7kcal/molPHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated
Quantity Value Units Method Reference Comment
ΔrS°31.4cal/mol*KN/AWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
34.0468.PHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated

C3H9Si+ + Acetic acid, hexyl ester = (C3H9Si+ • Acetic acid, hexyl ester)

By formula: C3H9Si+ + C8H16O2 = (C3H9Si+ • C8H16O2)

Quantity Value Units Method Reference Comment
ΔrH°50.4kcal/molPHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated
Quantity Value Units Method Reference Comment
ΔrS°32.0cal/mol*KN/AWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
35.5468.PHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated

C3H9Si+ + Ethyl ether = (C3H9Si+ • Ethyl ether)

By formula: C3H9Si+ + C4H10O = (C3H9Si+ • C4H10O)

Quantity Value Units Method Reference Comment
ΔrH°44.2kcal/molPHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated
Quantity Value Units Method Reference Comment
ΔrS°29.8cal/mol*KN/AWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
30.3468.PHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated

C3H9Si+ + Ethanol = (C3H9Si+ • Ethanol)

By formula: C3H9Si+ + C2H6O = (C3H9Si+ • C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°42.0kcal/molPHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder(CH3)3Si+))H2O, Entropy change calculated or estimated
Quantity Value Units Method Reference Comment
ΔrS°30.3cal/mol*KN/AWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder(CH3)3Si+))H2O, Entropy change calculated or estimated

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
27.9468.PHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder(CH3)3Si+))H2O, Entropy change calculated or estimated

C3H9Si+ + Methyl Alcohol = (C3H9Si+ • Methyl Alcohol)

By formula: C3H9Si+ + CH4O = (C3H9Si+ • CH4O)

Quantity Value Units Method Reference Comment
ΔrH°39.2kcal/molPHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated
Quantity Value Units Method Reference Comment
ΔrS°29.7cal/mol*KN/AWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
25.3468.PHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated

C3H9Si+ + Isopropyl Alcohol = (C3H9Si+ • Isopropyl Alcohol)

By formula: C3H9Si+ + C3H8O = (C3H9Si+ • C3H8O)

Quantity Value Units Method Reference Comment
ΔrH°43.9kcal/molPHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated
Quantity Value Units Method Reference Comment
ΔrS°30.8cal/mol*KN/AWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
29.4468.PHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated

C3H9Si+ + Acetone = (C3H9Si+ • Acetone)

By formula: C3H9Si+ + C3H6O = (C3H9Si+ • C3H6O)

Quantity Value Units Method Reference Comment
ΔrH°45.0kcal/molPHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated
Quantity Value Units Method Reference Comment
ΔrS°29.4cal/mol*KN/AWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
31.2468.PHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated

C3H9Si+ + 1-Butanol = (C3H9Si+ • 1-Butanol)

By formula: C3H9Si+ + C4H10O = (C3H9Si+ • C4H10O)

Quantity Value Units Method Reference Comment
ΔrH°44.2kcal/molPHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated
Quantity Value Units Method Reference Comment
ΔrS°31.1cal/mol*KN/AWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
29.7468.PHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated

C3H9Si+ + 1-Pentanol = (C3H9Si+ • 1-Pentanol)

By formula: C3H9Si+ + C5H12O = (C3H9Si+ • C5H12O)

Quantity Value Units Method Reference Comment
ΔrH°44.7kcal/molPHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated
Quantity Value Units Method Reference Comment
ΔrS°31.4cal/mol*KN/AWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
30.1468.PHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated

C3H9Si+ + Benzoic acid, ethyl ester = (C3H9Si+ • Benzoic acid, ethyl ester)

By formula: C3H9Si+ + C9H10O2 = (C3H9Si+ • C9H10O2)

Quantity Value Units Method Reference Comment
ΔrH°50.8kcal/molPHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated
Quantity Value Units Method Reference Comment
ΔrS°32.0cal/mol*KN/AWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
35.9468.PHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated

C3H9Si+ + sec-Butylamine = (C3H9Si+ • sec-Butylamine)

By formula: C3H9Si+ + C4H11N = (C3H9Si+ • C4H11N)

Quantity Value Units Method Reference Comment
ΔrH°57.9kcal/molPHPMSLi and Stone, 1990gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)C6H5COOC2H5; Wojtyniak and Stone, 1986
Quantity Value Units Method Reference Comment
ΔrS°39.0cal/mol*KPHPMSLi and Stone, 1990gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)C6H5COOC2H5; Wojtyniak and Stone, 1986

C3H9Si+ + 1-Butanamine = (C3H9Si+ • 1-Butanamine)

By formula: C3H9Si+ + C4H11N = (C3H9Si+ • C4H11N)

Quantity Value Units Method Reference Comment
ΔrH°59.5kcal/molPHPMSLi and Stone, 1990gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)C6H5COOC2H5; Wojtyniak and Stone, 1986
Quantity Value Units Method Reference Comment
ΔrS°40.9cal/mol*KPHPMSLi and Stone, 1990gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)C6H5COOC2H5; Wojtyniak and Stone, 1986

C3H9Si+ + Dimethylamine = (C3H9Si+ • Dimethylamine)

By formula: C3H9Si+ + C2H7N = (C3H9Si+ • C2H7N)

Quantity Value Units Method Reference Comment
ΔrH°60.0kcal/molPHPMSLi and Stone, 1990gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)C6H5COOC2H5; Wojtyniak and Stone, 1986
Quantity Value Units Method Reference Comment
ΔrS°42.7cal/mol*KPHPMSLi and Stone, 1990gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)C6H5COOC2H5; Wojtyniak and Stone, 1986

C3H9Si+ + Methylamine = (C3H9Si+ • Methylamine)

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

Quantity Value Units Method Reference Comment
ΔrH°55.4kcal/molPHPMSLi and Stone, 1990gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)C6H5COOC2H5; Wojtyniak and Stone, 1986
Quantity Value Units Method Reference Comment
ΔrS°38.1cal/mol*KPHPMSLi and Stone, 1990gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)C6H5COOC2H5; Wojtyniak and Stone, 1986

C3H9Si+ + Ethylamine = (C3H9Si+ • Ethylamine)

By formula: C3H9Si+ + C2H7N = (C3H9Si+ • C2H7N)

Quantity Value Units Method Reference Comment
ΔrH°57.4kcal/molPHPMSLi and Stone, 1990gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)C6H5COOC2H5; Wojtyniak and Stone, 1986
Quantity Value Units Method Reference Comment
ΔrS°39.3cal/mol*KPHPMSLi and Stone, 1990gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)C6H5COOC2H5; Wojtyniak and Stone, 1986

C3H9Si+ + 2-Propanamine, 2-methyl- = (C3H9Si+ • 2-Propanamine, 2-methyl-)

By formula: C3H9Si+ + C4H11N = (C3H9Si+ • C4H11N)

Quantity Value Units Method Reference Comment
ΔrH°58.0kcal/molPHPMSLi and Stone, 1990gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)C6H5COOC2H5; Wojtyniak and Stone, 1986
Quantity Value Units Method Reference Comment
ΔrS°41.7cal/mol*KPHPMSLi and Stone, 1990gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)C6H5COOC2H5; Wojtyniak and Stone, 1986

C3H9Si+ + Styrene = (C3H9Si+ • Styrene)

By formula: C3H9Si+ + C8H8 = (C3H9Si+ • C8H8)

Quantity Value Units Method Reference Comment
ΔrH°36.6kcal/molPHPMSLi and Stone, 1989gas phase; condensation
Quantity Value Units Method Reference Comment
ΔrS°42.4cal/mol*KPHPMSLi and Stone, 1989gas phase; condensation

C3H9Si+ + Cyclohexane = (C3H9Si+ • Cyclohexane)

By formula: C3H9Si+ + C6H12 = (C3H9Si+ • C6H12)

Quantity Value Units Method Reference Comment
ΔrH°37.9kcal/molPHPMSLi and Stone, 1989gas phase; condensation
Quantity Value Units Method Reference Comment
ΔrS°48.1cal/mol*KPHPMSLi and Stone, 1989gas phase; condensation

C3H9Si+ + Cyclohexene = (C3H9Si+ • Cyclohexene)

By formula: C3H9Si+ + C6H10 = (C3H9Si+ • C6H10)

Quantity Value Units Method Reference Comment
ΔrH°32.9kcal/molPHPMSLi and Stone, 1989gas phase; condensation
Quantity Value Units Method Reference Comment
ΔrS°45.6cal/mol*KPHPMSLi and Stone, 1989gas phase; condensation

C3H9Si+ + Propene = (C3H9Si+ • Propene)

By formula: C3H9Si+ + C3H6 = (C3H9Si+ • C3H6)

Quantity Value Units Method Reference Comment
ΔrH°30.6kcal/molPHPMSLi and Stone, 1989gas phase; condensation
Quantity Value Units Method Reference Comment
ΔrS°42.5cal/mol*KPHPMSLi and Stone, 1989gas phase; condensation

C3H9Si+ + 1-Propene, 2-methyl- = (C3H9Si+ • 1-Propene, 2-methyl-)

By formula: C3H9Si+ + C4H8 = (C3H9Si+ • C4H8)

Quantity Value Units Method Reference Comment
ΔrH°36.5kcal/molPHPMSLi and Stone, 1989gas phase; condensation
Quantity Value Units Method Reference Comment
ΔrS°42.7cal/mol*KPHPMSLi and Stone, 1989gas phase; condensation

C3H9Si+ + 2-Butene, (E)- = (C3H9Si+ • 2-Butene, (E)-)

By formula: C3H9Si+ + C4H8 = (C3H9Si+ • C4H8)

Quantity Value Units Method Reference Comment
ΔrH°30.9kcal/molPHPMSLi and Stone, 1989gas phase; condensation
Quantity Value Units Method Reference Comment
ΔrS°41.5cal/mol*KPHPMSLi and Stone, 1989gas phase; condensation

C3H9Si+ + 2-Butene, 2-methyl- = (C3H9Si+ • 2-Butene, 2-methyl-)

By formula: C3H9Si+ + C5H10 = (C3H9Si+ • C5H10)

Quantity Value Units Method Reference Comment
ΔrH°38.2kcal/molPHPMSLi and Stone, 1989gas phase; condesation
Quantity Value Units Method Reference Comment
ΔrS°48.0cal/mol*KPHPMSLi and Stone, 1989gas phase; condesation

(C3H9Si+ • Water) + Water = (C3H9Si+ • 2Water)

By formula: (C3H9Si+ • H2O) + H2O = (C3H9Si+ • 2H2O)

Quantity Value Units Method Reference Comment
ΔrH°19.9kcal/molPHPMSStone and Wytenberg, 1987gas phase
Quantity Value Units Method Reference Comment
ΔrS°28.1cal/mol*KPHPMSStone and Wytenberg, 1987gas phase

C3H9Si+ + Water = (C3H9Si+ • Water)

By formula: C3H9Si+ + H2O = (C3H9Si+ • H2O)

Quantity Value Units Method Reference Comment
ΔrH°30.1 ± 1.9kcal/molPHPMSStone and Wojtyniak, 1986gas phase
Quantity Value Units Method Reference Comment
ΔrS°27.0cal/mol*KPHPMSStone and Wojtyniak, 1986gas phase

C3H9Si+ + Ethylene = (C3H9Si+ • Ethylene)

By formula: C3H9Si+ + C2H4 = (C3H9Si+ • C2H4)

Quantity Value Units Method Reference Comment
ΔrH°23.6kcal/molPHPMSLi and Stone, 1989gas phase
Quantity Value Units Method Reference Comment
ΔrS°38.5cal/mol*KPHPMSLi and Stone, 1989gas phase

C3H9Si+ + Silane, tetramethyl- = (C3H9Si+ • Silane, tetramethyl-)

By formula: C3H9Si+ + C4H12Si = (C3H9Si+ • C4H12Si)

Quantity Value Units Method Reference Comment
ΔrH°22.3kcal/molPHPMSWojtyniak, Li, et al., 1987gas phase
Quantity Value Units Method Reference Comment
ΔrS°35.2cal/mol*KPHPMSWojtyniak, Li, et al., 1987gas phase

C3H9Si+ + Benzene = (C3H9Si+ • Benzene)

By formula: C3H9Si+ + C6H6 = (C3H9Si+ • C6H6)

Quantity Value Units Method Reference Comment
ΔrH°23.9kcal/molPHPMSWojtyniak and Stone, 1986gas phase
Quantity Value Units Method Reference Comment
ΔrS°34.7cal/mol*KPHPMSWojtyniak and Stone, 1986gas phase

C3H9Si+ + Ammonia = (C3H9Si+ • Ammonia)

By formula: C3H9Si+ + H3N = (C3H9Si+ • H3N)

Quantity Value Units Method Reference Comment
ΔrH°46.5kcal/molPHPMSLi and Stone, 1990gas phase; switching reaction((CH3)3Si+)CH3COOC2H5; Wojtyniak and Stone, 1986

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

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]

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]

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]

Li and Stone, 1989
Li, X.; Stone, J.A., Determination of the beta silicon effect from a mass spectrometric study of the association of trimethylsilylium ion with alkenes, J. Am. Chem. Soc., 1989, 111, 15, 5586, https://doi.org/10.1021/ja00197a013 . [all data]

Stone and Wytenberg, 1987
Stone, J.A.; Wytenberg, W.J., The Binding Energies of Trialkylgermanium Cations to Water Molecules Studied by High Pressure Mass Spectrometry, Can. J. Chem., 1987, 65, 9, 2146, https://doi.org/10.1139/v87-358 . [all data]

Stone and Wojtyniak, 1986
Stone, A.J.; Wojtyniak, A.C.M., The Condensation of Trimethylsilylium with Water and the Proton Affinity of Trimethylsilanol, Can. J. Chem., 1986, 64, 3, 575, https://doi.org/10.1139/v86-092 . [all data]

Wojtyniak, Li, et al., 1987
Wojtyniak, A.C.M.; Li, K.; Stone, J.A., The Formation of (CH3)7Si2+ in (CH3)4Si/CH4 Mixtures and CH3- Exchange Reactions Between (CH3)4Si, (CH3)4Ge and (CH3)4Sn Studied by High Pressure Mass Spectrometry, Can. J. Chem., 1987, 65, 12, 2849, https://doi.org/10.1139/v87-473 . [all data]

Notes

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