Me2BCH2 anion
- Formula: C3H8B-
- Molecular weight: 54.907
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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: John E. Bartmess
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Individual Reactions
C3H8B- + =
By formula: C3H8B- + H+ = C3H9B
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 366.2 ± 6.1 | kcal/mol | G+TS | Murphy and Beauchamp, 1976 | gas phase; Between AsH3,PH3; value altered from reference due to change in acidity scale |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 358.9 ± 6.0 | kcal/mol | IMRB | Murphy and Beauchamp, 1976 | gas phase; Between AsH3,PH3; value altered from reference due to change in acidity scale |
Gas phase ion energetics data
Go To: Top, Reaction thermochemistry 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
Electron affinity of neutral species
| EAneutral (eV) | Method | Reference | Comment |
|---|---|---|---|
| 1.84 ± 0.34 | D-EA | Murphy and Beauchamp, 1976 | Between AsH3,PH3; value altered from reference due to change in acidity scale |
Protonation reactions
C3H8B- + =
By formula: C3H8B- + H+ = C3H9B
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 366.2 ± 6.1 | kcal/mol | G+TS | Murphy and Beauchamp, 1976 | gas phase; Between AsH3,PH3; value altered from reference due to change in acidity scale |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 358.9 ± 6.0 | kcal/mol | IMRB | Murphy and Beauchamp, 1976 | gas phase; Between AsH3,PH3; value altered from reference due to change in acidity scale |
References
Go To: Top, Reaction thermochemistry data, 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.
Murphy and Beauchamp, 1976
Murphy, M.K.; Beauchamp, J.L.,
Acid-base properties and gas-phase ion chemistry of (CH3)3B,
J. Am. Chem. Soc., 1976, 98, 1433. [all data]
Notes
Go To: Top, Reaction thermochemistry data, 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
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