Aluminum oxide anion
- Formula: AlO-
- Molecular weight: 42.9815
- CAS Registry Number: 12758-12-2
- 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 |
|---|---|---|---|
| 2.600 ± 0.010 | LPES | Desai, Wu, et al., 1996 | |
| 3.62 ± 0.13 | TDEq | Srivastava, Uy, et al., 1972 | EA: near EA(Cl) |
Protonation reactions
AlO- + = HAlO
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 367.9 ± 9.6 | kcal/mol | D-EA | Desai, Wu, et al., 1996 | gas phase |
| ΔrH° | 359.6 ± 4.1 | kcal/mol | G+TS | Damrauer, Krempp, et al., 1991 | gas phase; Between CF3CH2OH, pyrrole. Calculations imply that the acid is AlOH, not HAlO |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 360.7 ± 9.7 | kcal/mol | H-TS | Desai, Wu, et al., 1996 | gas phase |
| ΔrG° | 352.5 ± 4.0 | kcal/mol | IMRB | Damrauer, Krempp, et al., 1991 | gas phase; Between CF3CH2OH, pyrrole. Calculations imply that the acid is AlOH, not HAlO |
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.
Desai, Wu, et al., 1996
Desai, S.R.; Wu, H.; Wang, L.-S.,
Vibrationally Resolved Photoelectron Spectroscopy of AlO- and AlO2-,
Int. J. Mass Spectrom. Ion Proc., 1996, 159, 1-3, 75, https://doi.org/10.1016/S0168-1176(96)04443-6
. [all data]
Srivastava, Uy, et al., 1972
Srivastava, R.D.; Uy, O.M.; Farber, M.,
Effusion mass spectrometric study of the thermodynamic properties of AlO- and AlO2-,
J. Chem. Soc. Faraday Trans. 2, 1972, 1, 1388. [all data]
Damrauer, Krempp, et al., 1991
Damrauer, R.; Krempp, M.; Schmidt, M.W.; Gordon, M.S.,
Gas-Phase Chemistry of the Dimethylaluminum Oxide Ion and Related Aluminum Oxide Ions - Comparison of Reactivity with Siloxide Ions,
J. Am. Chem. Soc., 1991, 113, 7, 2393, https://doi.org/10.1021/ja00007a007
. [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.