Proline, protonated
- Formula: C5H10NO2+
- Molecular weight: 116.1379
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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 by: Michael M. Meot-Ner (Mautner) and Sharon G. Lias
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Clustering reactions
By formula: C5H10NO2+ + CH3NO2 = (C5H10NO2+ • CH3NO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 73.2 | kJ/mol | HPMS | Meot-Ner and Field, 1974 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 90.4 | J/mol*K | HPMS | Meot-Ner and Field, 1974 | gas phase |
By formula: C5H10NO2+ + C5H9NO2 = (C5H10NO2+ • C5H9NO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 120. | kJ/mol | PHPMS | Meot-Ner, Hunter, et al., 1979 | gas phase |
ΔrH° | 84. | kJ/mol | PHPMS | Meot-Ner and Field, 1974 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 130. | J/mol*K | PHPMS | Meot-Ner, Hunter, et al., 1979 | gas phase |
By formula: C5H10NO2+ + C5H11NO2 = (C5H10NO2+ • C5H11NO2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 87.9 | kJ/mol | PHPMS | Meot-Ner and Field, 1974 | gas phase |
By formula: C5H10NO2+ + H2O = (C5H10NO2+ • H2O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 79.1 | kJ/mol | PHPMS | Meot-Ner and Field, 1974 | gas phase; Entropy change is questionable |
ΔrH° | 79.1 | kJ/mol | PHPMS | Meot-Ner and Field, 1974 | gas phase; Entropy change is questionable |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 154. | J/mol*K | PHPMS | Meot-Ner and Field, 1974 | gas phase; Entropy change is questionable |
ΔrS° | 154. | J/mol*K | PHPMS | Meot-Ner and Field, 1974 | gas phase; Entropy change is questionable |
By formula: C5H10NO2+ + H3N = (C5H10NO2+ • H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 86.2 | kJ/mol | PHPMS | Meot-Ner and Field, 1974 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 121. | J/mol*K | PHPMS | Meot-Ner and Field, 1974 | gas phase |
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 and Field, 1974
Meot-Ner, (Mautner); Field, F.H.,
Solvation and Association of Protonated Gaseous Amino Acids,
J. Am. Chem. Soc., 1974, 96, 10, 3168, https://doi.org/10.1021/ja00817a024
. [all data]
Meot-Ner, Hunter, et al., 1979
Meot-Ner, (Mautner); Hunter, E.P.; Field, F.H.,
Ion Thermochemistry of Low Volatility Compounds in the Gas Phase. I. Intrinsic Basicities of Alpha - Amino Acids,
J. Am. Chem. Soc., 1979, 101, 3, 686, https://doi.org/10.1021/ja00497a034
. [all data]
Notes
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- Symbols used in this document:
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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