Acetonitrile, protonated
- Formula: C2H4N+
- Molecular weight: 42.0593
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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
By formula: C2H4N+ + C2H3N = (C2H4N+ • C2H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 31.1 ± 2.3 | kcal/mol | CID | Honma, Sunderlin, et al., 1993 | gas phase; guided ion beam CID |
ΔrH° | 28.9 | kcal/mol | PHPMS | Allison, Cramer, et al., 1991 | gas phase |
ΔrH° | 29.8 | kcal/mol | PHPMS | Deakyne, Meot-Ner (Mautner), et al., 1986 | gas phase; n |
ΔrH° | 29.8 | kcal/mol | PHPMS | Speller and Meot-Ner (Mautner), 1985 | gas phase |
ΔrH° | 30.2 | kcal/mol | PHPMS | Meot-Ner (Mautner), 1978 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 27.2 | cal/mol*K | PHPMS | Allison, Cramer, et al., 1991 | gas phase |
ΔrS° | 24.8 | cal/mol*K | PHPMS | Deakyne, Meot-Ner (Mautner), et al., 1986 | gas phase; n |
ΔrS° | 24.7 | cal/mol*K | PHPMS | Speller and Meot-Ner (Mautner), 1985 | gas phase |
ΔrS° | 29. | cal/mol*K | PHPMS | Meot-Ner (Mautner), 1978 | gas phase |
(C2H4N+ • • 2) + = (C2H4N+ • 2 • 2)
By formula: (C2H4N+ • H2O • 2C2H3N) + H2O = (C2H4N+ • 2H2O • 2C2H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.7 | kcal/mol | PHPMS | Deakyne, Meot-Ner (Mautner), et al., 1986 | gas phase; n, Entropy change calculated or estimated |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22. | cal/mol*K | N/A | Deakyne, Meot-Ner (Mautner), et al., 1986 | gas phase; n, Entropy change calculated or estimated |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
2.8 | 316. | PHPMS | Deakyne, Meot-Ner (Mautner), et al., 1986 | gas phase; n, Entropy change calculated or estimated |
By formula: C2H4N+ + H2O = (C2H4N+ • H2O)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 22.1 ± 1.4 | kcal/mol | CID | Honma, Sunderlin, et al., 1993 | gas phase; guided ion beam CID |
ΔrH° | 22.8 | kcal/mol | PHPMS | Speller and Meot-Ner (Mautner), 1985 | gas phase |
ΔrH° | 24.8 | kcal/mol | PHPMS | Meot-Ner (Mautner), 1984 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24.5 | cal/mol*K | PHPMS | Speller and Meot-Ner (Mautner), 1985 | gas phase |
ΔrS° | 28.4 | cal/mol*K | PHPMS | Meot-Ner (Mautner), 1984 | gas phase |
(C2H4N+ • • 4) + = (C2H4N+ • 2 • 4)
By formula: (C2H4N+ • C2H3N • 4H2O) + C2H3N = (C2H4N+ • 2C2H3N • 4H2O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 14.4 | kcal/mol | PHPMS | Deakyne, Meot-Ner (Mautner), et al., 1986 | gas phase; n, Entropy change calculated or estimated |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22. | cal/mol*K | N/A | Deakyne, Meot-Ner (Mautner), et al., 1986 | gas phase; n, Entropy change calculated or estimated |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
7.4 | 318. | PHPMS | Deakyne, Meot-Ner (Mautner), et al., 1986 | gas phase; n, Entropy change calculated or estimated |
By formula: (C2H4N+ • H2O) + H2O = (C2H4N+ • 2H2O)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 15.0 ± 1.7 | kcal/mol | CID | Honma, Sunderlin, et al., 1993 | gas phase; guided ion beam CID |
ΔrH° | 17.5 | kcal/mol | PHPMS | Meot-Ner (Mautner), 1984 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25.1 | cal/mol*K | PHPMS | Meot-Ner (Mautner), 1984 | gas phase |
(C2H4N+ • 2 • ) + = (C2H4N+ • 3 • )
By formula: (C2H4N+ • 2H2O • C2H3N) + H2O = (C2H4N+ • 3H2O • C2H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 10.3 | kcal/mol | PHPMS | Deakyne, Meot-Ner (Mautner), et al., 1986 | gas phase; n |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22.3 | cal/mol*K | PHPMS | Deakyne, Meot-Ner (Mautner), et al., 1986 | gas phase; n |
(C2H4N+ • • ) + = (C2H4N+ • 2 • )
By formula: (C2H4N+ • H2O • C2H3N) + H2O = (C2H4N+ • 2H2O • C2H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 15.3 | kcal/mol | PHPMS | Deakyne, Meot-Ner (Mautner), et al., 1986 | gas phase; n |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25.2 | cal/mol*K | PHPMS | Deakyne, Meot-Ner (Mautner), et al., 1986 | gas phase; n |
(C2H4N+ • • ) + = (C2H4N+ • 2 • )
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 |
---|---|---|---|---|---|
ΔrH° | 13.7 | kcal/mol | PHPMS | El-Shall, Olafsdottir, et al., 1991 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24.1 | cal/mol*K | PHPMS | El-Shall, Olafsdottir, et al., 1991 | gas phase |
By formula: (C2H4N+ • C2H3N) + H2O = (C2H4N+ • H2O • C2H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 15.9 | kcal/mol | PHPMS | Deakyne, Meot-Ner (Mautner), et al., 1986 | gas phase; n |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24.6 | cal/mol*K | PHPMS | Deakyne, Meot-Ner (Mautner), et al., 1986 | gas phase; n |
By formula: (C2H4N+ • 2CH4O) + CH4O = (C2H4N+ • 3CH4O)
Bond type: Hydrogen bonds of the type NH+-O between organics
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 13.9 | kcal/mol | PHPMS | El-Shall, Olafsdottir, et al., 1991 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24.4 | cal/mol*K | PHPMS | El-Shall, Olafsdottir, et al., 1991 | gas phase |
By formula: (C2H4N+ • CH4O) + CH4O = (C2H4N+ • 2CH4O)
Bond type: Hydrogen bonds of the type NH+-O between organics
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 20.9 | kcal/mol | PHPMS | El-Shall, Olafsdottir, et al., 1991 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 26.0 | cal/mol*K | PHPMS | El-Shall, Olafsdottir, et al., 1991 | gas phase |
By formula: (C2H4N+ • 2H2O) + H2O = (C2H4N+ • 3H2O)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 15.6 | kcal/mol | PHPMS | Meot-Ner (Mautner), 1984 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24.8 | cal/mol*K | PHPMS | Meot-Ner (Mautner), 1984 | gas phase |
By formula: (C2H4N+ • 3H2O) + H2O = (C2H4N+ • 4H2O)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 11.2 | kcal/mol | PHPMS | Meot-Ner (Mautner), 1984 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 21.8 | cal/mol*K | PHPMS | Meot-Ner (Mautner), 1984 | gas phase |
By formula: (C2H4N+ • 4H2O) + H2O = (C2H4N+ • 5H2O)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 10.4 | kcal/mol | PHPMS | Meot-Ner (Mautner), 1984 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 23.4 | cal/mol*K | PHPMS | Meot-Ner (Mautner), 1984 | gas phase |
By formula: (C2H4N+ • 5H2O) + H2O = (C2H4N+ • 6H2O)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 10.1 | kcal/mol | PHPMS | Meot-Ner (Mautner), 1984 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25.5 | cal/mol*K | PHPMS | Meot-Ner (Mautner), 1984 | gas phase |
(C2H4N+ • • ) + = (C2H4N+ • 2 • )
By formula: (C2H4N+ • C2H3N • H2O) + C2H3N = (C2H4N+ • 2C2H3N • H2O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 20.6 | kcal/mol | PHPMS | Deakyne, Meot-Ner (Mautner), et al., 1986 | gas phase; n |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 27.3 | cal/mol*K | PHPMS | Deakyne, Meot-Ner (Mautner), et al., 1986 | gas phase; n |
By formula: (C2H4N+ • H2O) + C2H3N = (C2H4N+ • C2H3N • H2O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 23.4 | kcal/mol | PHPMS | Deakyne, Meot-Ner (Mautner), et al., 1986 | gas phase; n |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24.7 | cal/mol*K | PHPMS | Deakyne, Meot-Ner (Mautner), et al., 1986 | gas phase; n |
(C2H4N+ • • 2) + = (C2H4N+ • 2 • 2)
By formula: (C2H4N+ • C2H3N • 2CH4O) + C2H3N = (C2H4N+ • 2C2H3N • 2CH4O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 15.6 | kcal/mol | PHPMS | El-Shall, Olafsdottir, et al., 1991 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 21.6 | cal/mol*K | PHPMS | El-Shall, Olafsdottir, et al., 1991 | gas phase |
(C2H4N+ • • ) + = (C2H4N+ • 2 • )
By formula: (C2H4N+ • C2H3N • CH4O) + C2H3N = (C2H4N+ • 2C2H3N • CH4O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 7.0 | kcal/mol | PHPMS | El-Shall, Olafsdottir, et al., 1991 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 12.4 | cal/mol*K | PHPMS | El-Shall, Olafsdottir, et al., 1991 | gas phase |
By formula: C2H4N+ + CHN = (C2H4N+ • CHN)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 22.1 | kcal/mol | PHPMS | Speller and Meot-Ner (Mautner), 1985 | gas phase; CD3CNH+ |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 23.1 | cal/mol*K | PHPMS | Speller and Meot-Ner (Mautner), 1985 | gas phase; CD3CNH+ |
By formula: (C2H4N+ • CH4O) + C2H3N = (C2H4N+ • C2H3N • CH4O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 22.6 | kcal/mol | PHPMS | El-Shall, Olafsdottir, et al., 1991 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24.5 | cal/mol*K | PHPMS | El-Shall, Olafsdottir, et al., 1991 | gas phase |
By formula: (C2H4N+ • C2H3N) + C2H3N = (C2H4N+ • 2C2H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.3 | kcal/mol | PHPMS | Meot-Ner (Mautner), 1978 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 19. | cal/mol*K | PHPMS | Meot-Ner (Mautner), 1978 | gas 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
By formula: C2H4N+ + CHN = (C2H4N+ • CHN)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 22.1 | kcal/mol | PHPMS | Speller and Meot-Ner (Mautner), 1985 | gas phase; CD3CNH+ |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 23.1 | cal/mol*K | PHPMS | Speller and Meot-Ner (Mautner), 1985 | gas phase; CD3CNH+ |
By formula: (C2H4N+ • CH4O) + CH4O = (C2H4N+ • 2CH4O)
Bond type: Hydrogen bonds of the type NH+-O between organics
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 20.9 | kcal/mol | PHPMS | El-Shall, Olafsdottir, et al., 1991 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 26.0 | cal/mol*K | PHPMS | El-Shall, Olafsdottir, et al., 1991 | gas phase |
By formula: (C2H4N+ • 2CH4O) + CH4O = (C2H4N+ • 3CH4O)
Bond type: Hydrogen bonds of the type NH+-O between organics
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 13.9 | kcal/mol | PHPMS | El-Shall, Olafsdottir, et al., 1991 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24.4 | cal/mol*K | PHPMS | El-Shall, Olafsdottir, et al., 1991 | gas phase |
By formula: (C2H4N+ • CH4O) + C2H3N = (C2H4N+ • C2H3N • CH4O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 22.6 | kcal/mol | PHPMS | El-Shall, Olafsdottir, et al., 1991 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24.5 | cal/mol*K | PHPMS | El-Shall, Olafsdottir, et al., 1991 | gas phase |
(C2H4N+ • • ) + = (C2H4N+ • 2 • )
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 |
---|---|---|---|---|---|
ΔrH° | 13.7 | kcal/mol | PHPMS | El-Shall, Olafsdottir, et al., 1991 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24.1 | cal/mol*K | PHPMS | El-Shall, Olafsdottir, et al., 1991 | gas phase |
By formula: C2H4N+ + C2H3N = (C2H4N+ • C2H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 31.1 ± 2.3 | kcal/mol | CID | Honma, Sunderlin, et al., 1993 | gas phase; guided ion beam CID |
ΔrH° | 28.9 | kcal/mol | PHPMS | Allison, Cramer, et al., 1991 | gas phase |
ΔrH° | 29.8 | kcal/mol | PHPMS | Deakyne, Meot-Ner (Mautner), et al., 1986 | gas phase; n |
ΔrH° | 29.8 | kcal/mol | PHPMS | Speller and Meot-Ner (Mautner), 1985 | gas phase |
ΔrH° | 30.2 | kcal/mol | PHPMS | Meot-Ner (Mautner), 1978 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 27.2 | cal/mol*K | PHPMS | Allison, Cramer, et al., 1991 | gas phase |
ΔrS° | 24.8 | cal/mol*K | PHPMS | Deakyne, Meot-Ner (Mautner), et al., 1986 | gas phase; n |
ΔrS° | 24.7 | cal/mol*K | PHPMS | Speller and Meot-Ner (Mautner), 1985 | gas phase |
ΔrS° | 29. | cal/mol*K | PHPMS | Meot-Ner (Mautner), 1978 | gas phase |
(C2H4N+ • • ) + = (C2H4N+ • 2 • )
By formula: (C2H4N+ • C2H3N • CH4O) + C2H3N = (C2H4N+ • 2C2H3N • CH4O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 7.0 | kcal/mol | PHPMS | El-Shall, Olafsdottir, et al., 1991 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 12.4 | cal/mol*K | PHPMS | El-Shall, Olafsdottir, et al., 1991 | gas phase |
(C2H4N+ • • 2) + = (C2H4N+ • 2 • 2)
By formula: (C2H4N+ • C2H3N • 2CH4O) + C2H3N = (C2H4N+ • 2C2H3N • 2CH4O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 15.6 | kcal/mol | PHPMS | El-Shall, Olafsdottir, et al., 1991 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 21.6 | cal/mol*K | PHPMS | El-Shall, Olafsdottir, et al., 1991 | gas phase |
By formula: (C2H4N+ • C2H3N) + C2H3N = (C2H4N+ • 2C2H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.3 | kcal/mol | PHPMS | Meot-Ner (Mautner), 1978 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 19. | cal/mol*K | PHPMS | Meot-Ner (Mautner), 1978 | gas phase |
By formula: (C2H4N+ • C2H3N) + H2O = (C2H4N+ • H2O • C2H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 15.9 | kcal/mol | PHPMS | Deakyne, Meot-Ner (Mautner), et al., 1986 | gas phase; n |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24.6 | cal/mol*K | PHPMS | Deakyne, Meot-Ner (Mautner), et al., 1986 | gas phase; n |
(C2H4N+ • • ) + = (C2H4N+ • 2 • )
By formula: (C2H4N+ • C2H3N • H2O) + C2H3N = (C2H4N+ • 2C2H3N • H2O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 20.6 | kcal/mol | PHPMS | Deakyne, Meot-Ner (Mautner), et al., 1986 | gas phase; n |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 27.3 | cal/mol*K | PHPMS | Deakyne, Meot-Ner (Mautner), et al., 1986 | gas phase; n |
(C2H4N+ • • 4) + = (C2H4N+ • 2 • 4)
By formula: (C2H4N+ • C2H3N • 4H2O) + C2H3N = (C2H4N+ • 2C2H3N • 4H2O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 14.4 | kcal/mol | PHPMS | Deakyne, Meot-Ner (Mautner), et al., 1986 | gas phase; n, Entropy change calculated or estimated |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22. | cal/mol*K | N/A | Deakyne, Meot-Ner (Mautner), et al., 1986 | gas phase; n, Entropy change calculated or estimated |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
7.4 | 318. | PHPMS | Deakyne, Meot-Ner (Mautner), et al., 1986 | gas phase; n, Entropy change calculated or estimated |
By formula: C2H4N+ + H2O = (C2H4N+ • H2O)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 22.1 ± 1.4 | kcal/mol | CID | Honma, Sunderlin, et al., 1993 | gas phase; guided ion beam CID |
ΔrH° | 22.8 | kcal/mol | PHPMS | Speller and Meot-Ner (Mautner), 1985 | gas phase |
ΔrH° | 24.8 | kcal/mol | PHPMS | Meot-Ner (Mautner), 1984 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24.5 | cal/mol*K | PHPMS | Speller and Meot-Ner (Mautner), 1985 | gas phase |
ΔrS° | 28.4 | cal/mol*K | PHPMS | Meot-Ner (Mautner), 1984 | gas phase |
By formula: (C2H4N+ • H2O) + C2H3N = (C2H4N+ • C2H3N • H2O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 23.4 | kcal/mol | PHPMS | Deakyne, Meot-Ner (Mautner), et al., 1986 | gas phase; n |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24.7 | cal/mol*K | PHPMS | Deakyne, Meot-Ner (Mautner), et al., 1986 | gas phase; n |
(C2H4N+ • • ) + = (C2H4N+ • 2 • )
By formula: (C2H4N+ • H2O • C2H3N) + H2O = (C2H4N+ • 2H2O • C2H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 15.3 | kcal/mol | PHPMS | Deakyne, Meot-Ner (Mautner), et al., 1986 | gas phase; n |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25.2 | cal/mol*K | PHPMS | Deakyne, Meot-Ner (Mautner), et al., 1986 | gas phase; n |
(C2H4N+ • • 2) + = (C2H4N+ • 2 • 2)
By formula: (C2H4N+ • H2O • 2C2H3N) + H2O = (C2H4N+ • 2H2O • 2C2H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.7 | kcal/mol | PHPMS | Deakyne, Meot-Ner (Mautner), et al., 1986 | gas phase; n, Entropy change calculated or estimated |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22. | cal/mol*K | N/A | Deakyne, Meot-Ner (Mautner), et al., 1986 | gas phase; n, Entropy change calculated or estimated |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
2.8 | 316. | PHPMS | Deakyne, Meot-Ner (Mautner), et al., 1986 | gas phase; n, Entropy change calculated or estimated |
(C2H4N+ • 2 • ) + = (C2H4N+ • 3 • )
By formula: (C2H4N+ • 2H2O • C2H3N) + H2O = (C2H4N+ • 3H2O • C2H3N)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 10.3 | kcal/mol | PHPMS | Deakyne, Meot-Ner (Mautner), et al., 1986 | gas phase; n |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22.3 | cal/mol*K | PHPMS | Deakyne, Meot-Ner (Mautner), et al., 1986 | gas phase; n |
By formula: (C2H4N+ • H2O) + H2O = (C2H4N+ • 2H2O)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 15.0 ± 1.7 | kcal/mol | CID | Honma, Sunderlin, et al., 1993 | gas phase; guided ion beam CID |
ΔrH° | 17.5 | kcal/mol | PHPMS | Meot-Ner (Mautner), 1984 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25.1 | cal/mol*K | PHPMS | Meot-Ner (Mautner), 1984 | gas phase |
By formula: (C2H4N+ • 2H2O) + H2O = (C2H4N+ • 3H2O)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 15.6 | kcal/mol | PHPMS | Meot-Ner (Mautner), 1984 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24.8 | cal/mol*K | PHPMS | Meot-Ner (Mautner), 1984 | gas phase |
By formula: (C2H4N+ • 3H2O) + H2O = (C2H4N+ • 4H2O)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 11.2 | kcal/mol | PHPMS | Meot-Ner (Mautner), 1984 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 21.8 | cal/mol*K | PHPMS | Meot-Ner (Mautner), 1984 | gas phase |
By formula: (C2H4N+ • 4H2O) + H2O = (C2H4N+ • 5H2O)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 10.4 | kcal/mol | PHPMS | Meot-Ner (Mautner), 1984 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 23.4 | cal/mol*K | PHPMS | Meot-Ner (Mautner), 1984 | gas phase |
By formula: (C2H4N+ • 5H2O) + H2O = (C2H4N+ • 6H2O)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 10.1 | kcal/mol | PHPMS | Meot-Ner (Mautner), 1984 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25.5 | cal/mol*K | PHPMS | Meot-Ner (Mautner), 1984 | gas 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
- 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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