Sodium hydride
- Formula: HNa
- Molecular weight: 23.99771
- IUPAC Standard InChI: InChI=1S/Na.H
- IUPAC Standard InChIKey: MPMYQQHEHYDOCL-UHFFFAOYSA-N
- CAS Registry Number: 7646-69-7
- Chemical structure:
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Gas phase ion energetics 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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
Data compiled as indicated in comments:
B - John E. Bartmess
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Proton affinity (review) | 261.7 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
| Quantity | Value | Units | Method | Reference | Comment |
| Gas basicity | 255.88 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
De-protonation reactions
Na- + =
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 345.12 ± 0.48 | kcal/mol | D-EA | Patterson, Hotop, et al., 1974 | gas phase; B |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 340.23 ± 0.58 | kcal/mol | H-TS | Patterson, Hotop, et al., 1974 | gas phase; B |
References
Go To: Top, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Patterson, Hotop, et al., 1974
Patterson, T.A.; Hotop, H.; Kasdan, A.; Norcross, D.W.; Lineberger, W.C.,
Resonances in Alkali Negative-Ion Photodetachment and Electron Affinities of the Corresponding Neutrals,
Phys. Rev. Lett., 1974, 32, 5, 189, https://doi.org/10.1103/PhysRevLett.32.189
. [all data]
Notes
Go To: Top, Gas phase ion energetics data, References
- Symbols used in this document:
ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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