nC8H17O anion
- Formula: C8H17O-
- Molecular weight: 129.2205
- Information on this page:
- Other data available:
- Options:
Gas phase ion energetics data
Go To: Top, 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: John E. Bartmess
Electron affinity of neutral species
| EAneutral (eV) | Method | Reference | Comment |
|---|---|---|---|
| 1.88 ± 0.13 | D-EA | Higgins and Bartmess, 1998 | |
| 1.99 ± 0.15 | D-EA | Boand, Houriet, et al., 1983 | value altered from reference due to change in acidity scale |
Protonation reactions
C8H17O- + =
By formula: C8H17O- + H+ = C8H18O
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 374.3 ± 2.1 | kcal/mol | G+TS | Higgins and Bartmess, 1998 | gas phase |
| ΔrH° | 373.5 ± 3.0 | kcal/mol | CIDC | Haas and Harrison, 1993 | gas phase; Kinetic method gives energy-dependent results. |
| ΔrH° | 371.8 ± 2.8 | kcal/mol | G+TS | Boand, Houriet, et al., 1983 | gas phase; value altered from reference due to change in acidity scale |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 367.7 ± 2.0 | kcal/mol | IMRE | Higgins and Bartmess, 1998 | gas phase |
| ΔrG° | 366.9 ± 3.1 | kcal/mol | H-TS | Haas and Harrison, 1993 | gas phase; Kinetic method gives energy-dependent results. |
| ΔrG° | 365.2 ± 2.7 | kcal/mol | CIDC | Boand, Houriet, et al., 1983 | gas phase; value altered from reference due to change in acidity scale |
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.
Higgins and Bartmess, 1998
Higgins, P.R.; Bartmess, J.E.,
The Gas Phase Acidities of Long Chain Alcohols.,
Int. J. Mass Spectrom., 1998, 175, 1-2, 71-79, https://doi.org/10.1016/S0168-1176(98)00125-6
. [all data]
Boand, Houriet, et al., 1983
Boand, G.; Houriet, R.; Baumann, T.,
The gas phase acidity of aliphatic alcohols,
J. Am. Chem. Soc., 1983, 105, 2203. [all data]
Haas and Harrison, 1993
Haas, M.J.; Harrison, A.G.,
The Fragmentation of Proton-Bound Cluster Ions and the Gas-Phase Acidities of Alcohols,
Int. J. Mass Spectrom. Ion Proc., 1993, 124, 2, 115, https://doi.org/10.1016/0168-1176(93)80003-W
. [all data]
Notes
Go To: Top, Gas phase ion energetics data, References
- Symbols used in this document:
EAneutral Electron affinity of neutral species 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
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.