iPrO anion
- Formula: C3H7O-
- Molecular weight: 59.0876
- Information on this page:
- Options:
Reaction thermochemistry data
Go To: Top, Gas phase ion energetics data, Ion clustering data, 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
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
By formula: C3H7O- + H+ = C3H8O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1569. ± 4.2 | kJ/mol | D-EA | Ramond, Davico, et al., 2000 | gas phase |
ΔrH° | 1571. ± 8.8 | kJ/mol | G+TS | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale |
ΔrH° | 1576. ± 4.2 | kJ/mol | CIDT | DeTuri and Ervin, 1999 | gas phase |
ΔrH° | 1572. ± 8.4 | kJ/mol | CIDC | Haas and Harrison, 1993 | gas phase; Both metastable and 50 eV collision energy. |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1542. ± 4.6 | kJ/mol | H-TS | Ramond, Davico, et al., 2000 | gas phase |
ΔrG° | 1543. ± 8.4 | kJ/mol | IMRE | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale |
ΔrG° | 1544. ± 8.8 | kJ/mol | H-TS | Haas and Harrison, 1993 | gas phase; Both metastable and 50 eV collision energy. |
C3H7O- + = C4H8F3O-
By formula: C3H7O- + CHF3 = C4H8F3O-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 88.3 ± 4.2 | kJ/mol | IMRE | Chabinyc and Brauman, 1998 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 59.4 ± 4.2 | kJ/mol | IMRE | Chabinyc and Brauman, 1998 | gas phase |
Gas phase ion energetics data
Go To: Top, Reaction thermochemistry data, Ion clustering data, 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
Protonation reactions
By formula: C3H7O- + H+ = C3H8O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1569. ± 4.2 | kJ/mol | D-EA | Ramond, Davico, et al., 2000 | gas phase |
ΔrH° | 1571. ± 8.8 | kJ/mol | G+TS | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale |
ΔrH° | 1576. ± 4.2 | kJ/mol | CIDT | DeTuri and Ervin, 1999 | gas phase |
ΔrH° | 1572. ± 8.4 | kJ/mol | CIDC | Haas and Harrison, 1993 | gas phase; Both metastable and 50 eV collision energy. |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1542. ± 4.6 | kJ/mol | H-TS | Ramond, Davico, et al., 2000 | gas phase |
ΔrG° | 1543. ± 8.4 | kJ/mol | IMRE | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale |
ΔrG° | 1544. ± 8.8 | kJ/mol | H-TS | Haas and Harrison, 1993 | gas phase; Both metastable and 50 eV collision energy. |
Ion clustering data
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, 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
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.
Clustering reactions
C3H7O- + = C4H8F3O-
By formula: C3H7O- + CHF3 = C4H8F3O-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 88.3 ± 4.2 | kJ/mol | IMRE | Chabinyc and Brauman, 1998 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 59.4 ± 4.2 | kJ/mol | IMRE | Chabinyc and Brauman, 1998 | gas phase |
References
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Ramond, Davico, et al., 2000
Ramond, T.M.; Davico, G.E.; Schwartz, R.L.; Lineberger, W.C.,
Vibronic structure of alkoxy radicals via photoelectron spectroscopy,
J. Chem. Phys., 2000, 112, 3, 1158-1169, https://doi.org/10.1063/1.480767
. [all data]
Bartmess, Scott, et al., 1979
Bartmess, J.E.; Scott, J.A.; McIver, R.T., Jr.,
The gas phase acidity scale from methanol to phenol,
J. Am. Chem. Soc., 1979, 101, 6047. [all data]
DeTuri and Ervin, 1999
DeTuri, V.F.; Ervin, K.M.,
Competitive threshold collision-induced dissociation: Gas-phase acidities and bond dissociation energies for a series of alcohols,
J. Phys. Chem. A, 1999, 103, 35, 6911-6920, https://doi.org/10.1021/jp991459m
. [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]
Chabinyc and Brauman, 1998
Chabinyc, M.L.; Brauman, J.I.,
Acidity, basicity, and the stability of hydrogen bonds: Complexes of RO-+HCF3,
J. Am. Chem. Soc., 1998, 120, 42, 10863-10870, https://doi.org/10.1021/ja9817592
. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering 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
- 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.