1,3-Diazine, protonated
- Formula: C4H5N2+
- Molecular weight: 81.0954
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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
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Individual Reactions
C4H5N2+ + = (C4H5N2+ •
)
By formula: C4H5N2+ + C5H9NO3 = (C4H5N2+ • C5H9NO3)
Bond type: Hydrogen bonds with polydentate bonding in positive ions
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 144. | kJ/mol | PHPMS | Meot-Ner, 1984 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 161. | J/mol*K | PHPMS | Meot-Ner, 1984 | gas 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, 1984
Meot-Ner, (Mautner),
The Ionic Hydrogen Bond. 4. Intramolecular and Multiple Bonds. Proton Affinities, Hydration and Complexes of Amides and Amino Acid Derivatives,
J. Am. Chem. Soc., 1984, 106, 2, 278, https://doi.org/10.1021/ja00314a003
. [all data]
Notes
Go To: Top, Reaction thermochemistry data, References
- 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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