Acetonitrile, protonated


Reaction thermochemistry data

Go To: Top, 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: 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

C2H4N+ + Acetonitrile = (C2H4N+ • Acetonitrile)

By formula: C2H4N+ + C2H3N = (C2H4N+ • C2H3N)

Quantity Value Units Method Reference Comment
Δr31.1 ± 2.3kcal/molCIDHonma, Sunderlin, et al., 1993gas phase; guided ion beam CID
Δr28.9kcal/molPHPMSAllison, Cramer, et al., 1991gas phase
Δr29.8kcal/molPHPMSDeakyne, Meot-Ner (Mautner), et al., 1986gas phase; n
Δr29.8kcal/molPHPMSSpeller and Meot-Ner (Mautner), 1985gas phase
Δr30.2kcal/molPHPMSMeot-Ner (Mautner), 1978gas phase
Quantity Value Units Method Reference Comment
Δr27.2cal/mol*KPHPMSAllison, Cramer, et al., 1991gas phase
Δr24.8cal/mol*KPHPMSDeakyne, Meot-Ner (Mautner), et al., 1986gas phase; n
Δr24.7cal/mol*KPHPMSSpeller and Meot-Ner (Mautner), 1985gas phase
Δr29.cal/mol*KPHPMSMeot-Ner (Mautner), 1978gas phase

(C2H4N+ • Water • 2Acetonitrile) + Water = (C2H4N+ • 2Water • 2Acetonitrile)

By formula: (C2H4N+ • H2O • 2C2H3N) + H2O = (C2H4N+ • 2H2O • 2C2H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr9.7kcal/molPHPMSDeakyne, Meot-Ner (Mautner), et al., 1986gas phase; n, Entropy change calculated or estimated
Quantity Value Units Method Reference Comment
Δr22.cal/mol*KN/ADeakyne, Meot-Ner (Mautner), et al., 1986gas phase; n, Entropy change calculated or estimated

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
2.8316.PHPMSDeakyne, Meot-Ner (Mautner), et al., 1986gas phase; n, Entropy change calculated or estimated

C2H4N+ + Water = (C2H4N+ • Water)

By formula: C2H4N+ + H2O = (C2H4N+ • H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr22.1 ± 1.4kcal/molCIDHonma, Sunderlin, et al., 1993gas phase; guided ion beam CID
Δr22.8kcal/molPHPMSSpeller and Meot-Ner (Mautner), 1985gas phase
Δr24.8kcal/molPHPMSMeot-Ner (Mautner), 1984gas phase
Quantity Value Units Method Reference Comment
Δr24.5cal/mol*KPHPMSSpeller and Meot-Ner (Mautner), 1985gas phase
Δr28.4cal/mol*KPHPMSMeot-Ner (Mautner), 1984gas phase

(C2H4N+ • Acetonitrile • 4Water) + Acetonitrile = (C2H4N+ • 2Acetonitrile • 4Water)

By formula: (C2H4N+ • C2H3N • 4H2O) + C2H3N = (C2H4N+ • 2C2H3N • 4H2O)

Quantity Value Units Method Reference Comment
Δr14.4kcal/molPHPMSDeakyne, Meot-Ner (Mautner), et al., 1986gas phase; n, Entropy change calculated or estimated
Quantity Value Units Method Reference Comment
Δr22.cal/mol*KN/ADeakyne, Meot-Ner (Mautner), et al., 1986gas phase; n, Entropy change calculated or estimated

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
7.4318.PHPMSDeakyne, Meot-Ner (Mautner), et al., 1986gas phase; n, Entropy change calculated or estimated

(C2H4N+ • Water) + Water = (C2H4N+ • 2Water)

By formula: (C2H4N+ • H2O) + H2O = (C2H4N+ • 2H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr15.0 ± 1.7kcal/molCIDHonma, Sunderlin, et al., 1993gas phase; guided ion beam CID
Δr17.5kcal/molPHPMSMeot-Ner (Mautner), 1984gas phase
Quantity Value Units Method Reference Comment
Δr25.1cal/mol*KPHPMSMeot-Ner (Mautner), 1984gas phase

(C2H4N+ • 2Water • Acetonitrile) + Water = (C2H4N+ • 3Water • Acetonitrile)

By formula: (C2H4N+ • 2H2O • C2H3N) + H2O = (C2H4N+ • 3H2O • C2H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr10.3kcal/molPHPMSDeakyne, Meot-Ner (Mautner), et al., 1986gas phase; n
Quantity Value Units Method Reference Comment
Δr22.3cal/mol*KPHPMSDeakyne, Meot-Ner (Mautner), et al., 1986gas phase; n

(C2H4N+ • Water • Acetonitrile) + Water = (C2H4N+ • 2Water • Acetonitrile)

By formula: (C2H4N+ • H2O • C2H3N) + H2O = (C2H4N+ • 2H2O • C2H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr15.3kcal/molPHPMSDeakyne, Meot-Ner (Mautner), et al., 1986gas phase; n
Quantity Value Units Method Reference Comment
Δr25.2cal/mol*KPHPMSDeakyne, Meot-Ner (Mautner), et al., 1986gas phase; n

(C2H4N+ • Methyl Alcohol • Acetonitrile) + Methyl Alcohol = (C2H4N+ • 2Methyl Alcohol • Acetonitrile)

By formula: (C2H4N+ • CH4O • C2H3N) + CH4O = (C2H4N+ • 2CH4O • C2H3N)

Bond type: Hydrogen bonds of the type NH+-O between organics

Quantity Value Units Method Reference Comment
Δr13.7kcal/molPHPMSEl-Shall, Olafsdottir, et al., 1991gas phase
Quantity Value Units Method Reference Comment
Δr24.1cal/mol*KPHPMSEl-Shall, Olafsdottir, et al., 1991gas phase

(C2H4N+ • Acetonitrile) + Water = (C2H4N+ • Water • Acetonitrile)

By formula: (C2H4N+ • C2H3N) + H2O = (C2H4N+ • H2O • C2H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr15.9kcal/molPHPMSDeakyne, Meot-Ner (Mautner), et al., 1986gas phase; n
Quantity Value Units Method Reference Comment
Δr24.6cal/mol*KPHPMSDeakyne, Meot-Ner (Mautner), et al., 1986gas phase; n

(C2H4N+ • 2Methyl Alcohol) + Methyl Alcohol = (C2H4N+ • 3Methyl Alcohol)

By formula: (C2H4N+ • 2CH4O) + CH4O = (C2H4N+ • 3CH4O)

Bond type: Hydrogen bonds of the type NH+-O between organics

Quantity Value Units Method Reference Comment
Δr13.9kcal/molPHPMSEl-Shall, Olafsdottir, et al., 1991gas phase
Quantity Value Units Method Reference Comment
Δr24.4cal/mol*KPHPMSEl-Shall, Olafsdottir, et al., 1991gas phase

(C2H4N+ • Methyl Alcohol) + Methyl Alcohol = (C2H4N+ • 2Methyl Alcohol)

By formula: (C2H4N+ • CH4O) + CH4O = (C2H4N+ • 2CH4O)

Bond type: Hydrogen bonds of the type NH+-O between organics

Quantity Value Units Method Reference Comment
Δr20.9kcal/molPHPMSEl-Shall, Olafsdottir, et al., 1991gas phase
Quantity Value Units Method Reference Comment
Δr26.0cal/mol*KPHPMSEl-Shall, Olafsdottir, et al., 1991gas phase

(C2H4N+ • 2Water) + Water = (C2H4N+ • 3Water)

By formula: (C2H4N+ • 2H2O) + H2O = (C2H4N+ • 3H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr15.6kcal/molPHPMSMeot-Ner (Mautner), 1984gas phase
Quantity Value Units Method Reference Comment
Δr24.8cal/mol*KPHPMSMeot-Ner (Mautner), 1984gas phase

(C2H4N+ • 3Water) + Water = (C2H4N+ • 4Water)

By formula: (C2H4N+ • 3H2O) + H2O = (C2H4N+ • 4H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr11.2kcal/molPHPMSMeot-Ner (Mautner), 1984gas phase
Quantity Value Units Method Reference Comment
Δr21.8cal/mol*KPHPMSMeot-Ner (Mautner), 1984gas phase

(C2H4N+ • 4Water) + Water = (C2H4N+ • 5Water)

By formula: (C2H4N+ • 4H2O) + H2O = (C2H4N+ • 5H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr10.4kcal/molPHPMSMeot-Ner (Mautner), 1984gas phase
Quantity Value Units Method Reference Comment
Δr23.4cal/mol*KPHPMSMeot-Ner (Mautner), 1984gas phase

(C2H4N+ • 5Water) + Water = (C2H4N+ • 6Water)

By formula: (C2H4N+ • 5H2O) + H2O = (C2H4N+ • 6H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr10.1kcal/molPHPMSMeot-Ner (Mautner), 1984gas phase
Quantity Value Units Method Reference Comment
Δr25.5cal/mol*KPHPMSMeot-Ner (Mautner), 1984gas phase

(C2H4N+ • Acetonitrile • Water) + Acetonitrile = (C2H4N+ • 2Acetonitrile • Water)

By formula: (C2H4N+ • C2H3N • H2O) + C2H3N = (C2H4N+ • 2C2H3N • H2O)

Quantity Value Units Method Reference Comment
Δr20.6kcal/molPHPMSDeakyne, Meot-Ner (Mautner), et al., 1986gas phase; n
Quantity Value Units Method Reference Comment
Δr27.3cal/mol*KPHPMSDeakyne, Meot-Ner (Mautner), et al., 1986gas phase; n

(C2H4N+ • Water) + Acetonitrile = (C2H4N+ • Acetonitrile • Water)

By formula: (C2H4N+ • H2O) + C2H3N = (C2H4N+ • C2H3N • H2O)

Quantity Value Units Method Reference Comment
Δr23.4kcal/molPHPMSDeakyne, Meot-Ner (Mautner), et al., 1986gas phase; n
Quantity Value Units Method Reference Comment
Δr24.7cal/mol*KPHPMSDeakyne, Meot-Ner (Mautner), et al., 1986gas phase; n

(C2H4N+ • Acetonitrile • 2Methyl Alcohol) + Acetonitrile = (C2H4N+ • 2Acetonitrile • 2Methyl Alcohol)

By formula: (C2H4N+ • C2H3N • 2CH4O) + C2H3N = (C2H4N+ • 2C2H3N • 2CH4O)

Quantity Value Units Method Reference Comment
Δr15.6kcal/molPHPMSEl-Shall, Olafsdottir, et al., 1991gas phase
Quantity Value Units Method Reference Comment
Δr21.6cal/mol*KPHPMSEl-Shall, Olafsdottir, et al., 1991gas phase

(C2H4N+ • Acetonitrile • Methyl Alcohol) + Acetonitrile = (C2H4N+ • 2Acetonitrile • Methyl Alcohol)

By formula: (C2H4N+ • C2H3N • CH4O) + C2H3N = (C2H4N+ • 2C2H3N • CH4O)

Quantity Value Units Method Reference Comment
Δr7.0kcal/molPHPMSEl-Shall, Olafsdottir, et al., 1991gas phase
Quantity Value Units Method Reference Comment
Δr12.4cal/mol*KPHPMSEl-Shall, Olafsdottir, et al., 1991gas phase

C2H4N+ + Hydrogen cyanide = (C2H4N+ • Hydrogen cyanide)

By formula: C2H4N+ + CHN = (C2H4N+ • CHN)

Quantity Value Units Method Reference Comment
Δr22.1kcal/molPHPMSSpeller and Meot-Ner (Mautner), 1985gas phase; CD3CNH+
Quantity Value Units Method Reference Comment
Δr23.1cal/mol*KPHPMSSpeller and Meot-Ner (Mautner), 1985gas phase; CD3CNH+

(C2H4N+ • Methyl Alcohol) + Acetonitrile = (C2H4N+ • Acetonitrile • Methyl Alcohol)

By formula: (C2H4N+ • CH4O) + C2H3N = (C2H4N+ • C2H3N • CH4O)

Quantity Value Units Method Reference Comment
Δr22.6kcal/molPHPMSEl-Shall, Olafsdottir, et al., 1991gas phase
Quantity Value Units Method Reference Comment
Δr24.5cal/mol*KPHPMSEl-Shall, Olafsdottir, et al., 1991gas phase

(C2H4N+ • Acetonitrile) + Acetonitrile = (C2H4N+ • 2Acetonitrile)

By formula: (C2H4N+ • C2H3N) + C2H3N = (C2H4N+ • 2C2H3N)

Quantity Value Units Method Reference Comment
Δr9.3kcal/molPHPMSMeot-Ner (Mautner), 1978gas phase
Quantity Value Units Method Reference Comment
Δr19.cal/mol*KPHPMSMeot-Ner (Mautner), 1978gas phase

Ion clustering data

Go To: Top, Reaction thermochemistry 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: 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. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

C2H4N+ + Hydrogen cyanide = (C2H4N+ • Hydrogen cyanide)

By formula: C2H4N+ + CHN = (C2H4N+ • CHN)

Quantity Value Units Method Reference Comment
Δr22.1kcal/molPHPMSSpeller and Meot-Ner (Mautner), 1985gas phase; CD3CNH+
Quantity Value Units Method Reference Comment
Δr23.1cal/mol*KPHPMSSpeller and Meot-Ner (Mautner), 1985gas phase; CD3CNH+

(C2H4N+ • Methyl Alcohol) + Methyl Alcohol = (C2H4N+ • 2Methyl Alcohol)

By formula: (C2H4N+ • CH4O) + CH4O = (C2H4N+ • 2CH4O)

Bond type: Hydrogen bonds of the type NH+-O between organics

Quantity Value Units Method Reference Comment
Δr20.9kcal/molPHPMSEl-Shall, Olafsdottir, et al., 1991gas phase
Quantity Value Units Method Reference Comment
Δr26.0cal/mol*KPHPMSEl-Shall, Olafsdottir, et al., 1991gas phase

(C2H4N+ • 2Methyl Alcohol) + Methyl Alcohol = (C2H4N+ • 3Methyl Alcohol)

By formula: (C2H4N+ • 2CH4O) + CH4O = (C2H4N+ • 3CH4O)

Bond type: Hydrogen bonds of the type NH+-O between organics

Quantity Value Units Method Reference Comment
Δr13.9kcal/molPHPMSEl-Shall, Olafsdottir, et al., 1991gas phase
Quantity Value Units Method Reference Comment
Δr24.4cal/mol*KPHPMSEl-Shall, Olafsdottir, et al., 1991gas phase

(C2H4N+ • Methyl Alcohol) + Acetonitrile = (C2H4N+ • Acetonitrile • Methyl Alcohol)

By formula: (C2H4N+ • CH4O) + C2H3N = (C2H4N+ • C2H3N • CH4O)

Quantity Value Units Method Reference Comment
Δr22.6kcal/molPHPMSEl-Shall, Olafsdottir, et al., 1991gas phase
Quantity Value Units Method Reference Comment
Δr24.5cal/mol*KPHPMSEl-Shall, Olafsdottir, et al., 1991gas phase

(C2H4N+ • Methyl Alcohol • Acetonitrile) + Methyl Alcohol = (C2H4N+ • 2Methyl Alcohol • Acetonitrile)

By formula: (C2H4N+ • CH4O • C2H3N) + CH4O = (C2H4N+ • 2CH4O • C2H3N)

Bond type: Hydrogen bonds of the type NH+-O between organics

Quantity Value Units Method Reference Comment
Δr13.7kcal/molPHPMSEl-Shall, Olafsdottir, et al., 1991gas phase
Quantity Value Units Method Reference Comment
Δr24.1cal/mol*KPHPMSEl-Shall, Olafsdottir, et al., 1991gas phase

C2H4N+ + Acetonitrile = (C2H4N+ • Acetonitrile)

By formula: C2H4N+ + C2H3N = (C2H4N+ • C2H3N)

Quantity Value Units Method Reference Comment
Δr31.1 ± 2.3kcal/molCIDHonma, Sunderlin, et al., 1993gas phase; guided ion beam CID
Δr28.9kcal/molPHPMSAllison, Cramer, et al., 1991gas phase
Δr29.8kcal/molPHPMSDeakyne, Meot-Ner (Mautner), et al., 1986gas phase; n
Δr29.8kcal/molPHPMSSpeller and Meot-Ner (Mautner), 1985gas phase
Δr30.2kcal/molPHPMSMeot-Ner (Mautner), 1978gas phase
Quantity Value Units Method Reference Comment
Δr27.2cal/mol*KPHPMSAllison, Cramer, et al., 1991gas phase
Δr24.8cal/mol*KPHPMSDeakyne, Meot-Ner (Mautner), et al., 1986gas phase; n
Δr24.7cal/mol*KPHPMSSpeller and Meot-Ner (Mautner), 1985gas phase
Δr29.cal/mol*KPHPMSMeot-Ner (Mautner), 1978gas phase

(C2H4N+ • Acetonitrile • Methyl Alcohol) + Acetonitrile = (C2H4N+ • 2Acetonitrile • Methyl Alcohol)

By formula: (C2H4N+ • C2H3N • CH4O) + C2H3N = (C2H4N+ • 2C2H3N • CH4O)

Quantity Value Units Method Reference Comment
Δr7.0kcal/molPHPMSEl-Shall, Olafsdottir, et al., 1991gas phase
Quantity Value Units Method Reference Comment
Δr12.4cal/mol*KPHPMSEl-Shall, Olafsdottir, et al., 1991gas phase

(C2H4N+ • Acetonitrile • 2Methyl Alcohol) + Acetonitrile = (C2H4N+ • 2Acetonitrile • 2Methyl Alcohol)

By formula: (C2H4N+ • C2H3N • 2CH4O) + C2H3N = (C2H4N+ • 2C2H3N • 2CH4O)

Quantity Value Units Method Reference Comment
Δr15.6kcal/molPHPMSEl-Shall, Olafsdottir, et al., 1991gas phase
Quantity Value Units Method Reference Comment
Δr21.6cal/mol*KPHPMSEl-Shall, Olafsdottir, et al., 1991gas phase

(C2H4N+ • Acetonitrile) + Acetonitrile = (C2H4N+ • 2Acetonitrile)

By formula: (C2H4N+ • C2H3N) + C2H3N = (C2H4N+ • 2C2H3N)

Quantity Value Units Method Reference Comment
Δr9.3kcal/molPHPMSMeot-Ner (Mautner), 1978gas phase
Quantity Value Units Method Reference Comment
Δr19.cal/mol*KPHPMSMeot-Ner (Mautner), 1978gas phase

(C2H4N+ • Acetonitrile) + Water = (C2H4N+ • Water • Acetonitrile)

By formula: (C2H4N+ • C2H3N) + H2O = (C2H4N+ • H2O • C2H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr15.9kcal/molPHPMSDeakyne, Meot-Ner (Mautner), et al., 1986gas phase; n
Quantity Value Units Method Reference Comment
Δr24.6cal/mol*KPHPMSDeakyne, Meot-Ner (Mautner), et al., 1986gas phase; n

(C2H4N+ • Acetonitrile • Water) + Acetonitrile = (C2H4N+ • 2Acetonitrile • Water)

By formula: (C2H4N+ • C2H3N • H2O) + C2H3N = (C2H4N+ • 2C2H3N • H2O)

Quantity Value Units Method Reference Comment
Δr20.6kcal/molPHPMSDeakyne, Meot-Ner (Mautner), et al., 1986gas phase; n
Quantity Value Units Method Reference Comment
Δr27.3cal/mol*KPHPMSDeakyne, Meot-Ner (Mautner), et al., 1986gas phase; n

(C2H4N+ • Acetonitrile • 4Water) + Acetonitrile = (C2H4N+ • 2Acetonitrile • 4Water)

By formula: (C2H4N+ • C2H3N • 4H2O) + C2H3N = (C2H4N+ • 2C2H3N • 4H2O)

Quantity Value Units Method Reference Comment
Δr14.4kcal/molPHPMSDeakyne, Meot-Ner (Mautner), et al., 1986gas phase; n, Entropy change calculated or estimated
Quantity Value Units Method Reference Comment
Δr22.cal/mol*KN/ADeakyne, Meot-Ner (Mautner), et al., 1986gas phase; n, Entropy change calculated or estimated

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
7.4318.PHPMSDeakyne, Meot-Ner (Mautner), et al., 1986gas phase; n, Entropy change calculated or estimated

C2H4N+ + Water = (C2H4N+ • Water)

By formula: C2H4N+ + H2O = (C2H4N+ • H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr22.1 ± 1.4kcal/molCIDHonma, Sunderlin, et al., 1993gas phase; guided ion beam CID
Δr22.8kcal/molPHPMSSpeller and Meot-Ner (Mautner), 1985gas phase
Δr24.8kcal/molPHPMSMeot-Ner (Mautner), 1984gas phase
Quantity Value Units Method Reference Comment
Δr24.5cal/mol*KPHPMSSpeller and Meot-Ner (Mautner), 1985gas phase
Δr28.4cal/mol*KPHPMSMeot-Ner (Mautner), 1984gas phase

(C2H4N+ • Water) + Acetonitrile = (C2H4N+ • Acetonitrile • Water)

By formula: (C2H4N+ • H2O) + C2H3N = (C2H4N+ • C2H3N • H2O)

Quantity Value Units Method Reference Comment
Δr23.4kcal/molPHPMSDeakyne, Meot-Ner (Mautner), et al., 1986gas phase; n
Quantity Value Units Method Reference Comment
Δr24.7cal/mol*KPHPMSDeakyne, Meot-Ner (Mautner), et al., 1986gas phase; n

(C2H4N+ • Water • Acetonitrile) + Water = (C2H4N+ • 2Water • Acetonitrile)

By formula: (C2H4N+ • H2O • C2H3N) + H2O = (C2H4N+ • 2H2O • C2H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr15.3kcal/molPHPMSDeakyne, Meot-Ner (Mautner), et al., 1986gas phase; n
Quantity Value Units Method Reference Comment
Δr25.2cal/mol*KPHPMSDeakyne, Meot-Ner (Mautner), et al., 1986gas phase; n

(C2H4N+ • Water • 2Acetonitrile) + Water = (C2H4N+ • 2Water • 2Acetonitrile)

By formula: (C2H4N+ • H2O • 2C2H3N) + H2O = (C2H4N+ • 2H2O • 2C2H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr9.7kcal/molPHPMSDeakyne, Meot-Ner (Mautner), et al., 1986gas phase; n, Entropy change calculated or estimated
Quantity Value Units Method Reference Comment
Δr22.cal/mol*KN/ADeakyne, Meot-Ner (Mautner), et al., 1986gas phase; n, Entropy change calculated or estimated

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
2.8316.PHPMSDeakyne, Meot-Ner (Mautner), et al., 1986gas phase; n, Entropy change calculated or estimated

(C2H4N+ • 2Water • Acetonitrile) + Water = (C2H4N+ • 3Water • Acetonitrile)

By formula: (C2H4N+ • 2H2O • C2H3N) + H2O = (C2H4N+ • 3H2O • C2H3N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr10.3kcal/molPHPMSDeakyne, Meot-Ner (Mautner), et al., 1986gas phase; n
Quantity Value Units Method Reference Comment
Δr22.3cal/mol*KPHPMSDeakyne, Meot-Ner (Mautner), et al., 1986gas phase; n

(C2H4N+ • Water) + Water = (C2H4N+ • 2Water)

By formula: (C2H4N+ • H2O) + H2O = (C2H4N+ • 2H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr15.0 ± 1.7kcal/molCIDHonma, Sunderlin, et al., 1993gas phase; guided ion beam CID
Δr17.5kcal/molPHPMSMeot-Ner (Mautner), 1984gas phase
Quantity Value Units Method Reference Comment
Δr25.1cal/mol*KPHPMSMeot-Ner (Mautner), 1984gas phase

(C2H4N+ • 2Water) + Water = (C2H4N+ • 3Water)

By formula: (C2H4N+ • 2H2O) + H2O = (C2H4N+ • 3H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr15.6kcal/molPHPMSMeot-Ner (Mautner), 1984gas phase
Quantity Value Units Method Reference Comment
Δr24.8cal/mol*KPHPMSMeot-Ner (Mautner), 1984gas phase

(C2H4N+ • 3Water) + Water = (C2H4N+ • 4Water)

By formula: (C2H4N+ • 3H2O) + H2O = (C2H4N+ • 4H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr11.2kcal/molPHPMSMeot-Ner (Mautner), 1984gas phase
Quantity Value Units Method Reference Comment
Δr21.8cal/mol*KPHPMSMeot-Ner (Mautner), 1984gas phase

(C2H4N+ • 4Water) + Water = (C2H4N+ • 5Water)

By formula: (C2H4N+ • 4H2O) + H2O = (C2H4N+ • 5H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr10.4kcal/molPHPMSMeot-Ner (Mautner), 1984gas phase
Quantity Value Units Method Reference Comment
Δr23.4cal/mol*KPHPMSMeot-Ner (Mautner), 1984gas phase

(C2H4N+ • 5Water) + Water = (C2H4N+ • 6Water)

By formula: (C2H4N+ • 5H2O) + H2O = (C2H4N+ • 6H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr10.1kcal/molPHPMSMeot-Ner (Mautner), 1984gas phase
Quantity Value Units Method Reference Comment
Δr25.5cal/mol*KPHPMSMeot-Ner (Mautner), 1984gas phase

References

Go To: Top, Reaction thermochemistry 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.

Honma, Sunderlin, et al., 1993
Honma, K.; Sunderlin, L.S.; Armentrout, P.B., Guided-Ion Beam Studies of the Reactions of Protonated Water Clusters, H(H2O)n+ (n = 1-4), with Acetonitrile, J. Chem. Phys., 1993, 99, 3, 1623, https://doi.org/10.1063/1.465331 . [all data]

Allison, Cramer, et al., 1991
Allison, C.E.; Cramer, J.A.; Hop, C.E.C.A.; Szulejko, J.E.; McMahon, T.B., Strong Hydrogen Bonding in Gas - Phase Ions. A High - Pressure Mass Spectrometric Study of the Proton Affinity, Proton Transfer Kinetics, and Hydrogen - Bonding Capability of Iron Pentacarbonyl, J. Am. Chem. Soc., 1991, 113, 12, 4469, https://doi.org/10.1021/ja00012a014 . [all data]

Deakyne, Meot-Ner (Mautner), et al., 1986
Deakyne, C.A.; Meot-Ner (Mautner), M.; Campbell, C.L.; Hughes, M.G.; Murphy, S.P., Multicomponent Cluster Ions. 1. The Acetonitrile - Water System, J. Chem. Phys., 1986, 90, 4648. [all data]

Speller and Meot-Ner (Mautner), 1985
Speller, C.V.; Meot-Ner (Mautner), M., The Ionic Hydrogen Bond and Ion Solvation. 3. Bonds Involving Cyanides. Correlations with Proton Affinites, J. Phys. Chem., 1985, 81, 24, 5217, https://doi.org/10.1021/j100270a020 . [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]

Meot-Ner (Mautner), 1984
Meot-Ner (Mautner), M., The Ionic Hydrogen Bond and Ion Solvation. 2. Hydration of Onium Ions by 1 - 7 H2O Molecules. Relations Between Monomolecular, Specific and Bulk Hydration, J. Am. Chem. Soc., 1984, 106, 5, 1265, https://doi.org/10.1021/ja00317a016 . [all data]

El-Shall, Olafsdottir, et al., 1991
El-Shall, M.S.; Olafsdottir, S.; Meot-ner (Mautner), M.; Sieck, L.W., Energy effects on cluster ion distributions: Beam expansion and thermochemical studies on mixed clusters of methanol and acetonitrile, Chem. Phys. Lett., 1991, 185, 3-4, 193, https://doi.org/10.1016/S0009-2614(91)85046-Y . [all data]


Notes

Go To: Top, Reaction thermochemistry data, Ion clustering data, References